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An English Essay on the Importance of Water for the Students

Without water there cannot be life on our planet, that is to say on earth. Because every living organism needs water, and therefore having a good understanding and care for the water is a must for all of us. Hence, students should write an essay discussing the importance of water in the English language.

Writing an essay on such a topic opens a series of good ideas in the mind of the students regarding the role that water plays in our lives, and it can also make the students aware of the importance of water.

Also, if you wish to write an English essay on the topic My aim in life you may find this link helpful My Aim in Life Essay in English for Students | Easy Essay on My Aim in Life (vedantu.com)

Advantages of Writing an Essay on the Importance of Water.

Writing an essay on any topic helps the students be good writers, and the same goes for the topic of, Importance of water, but there are quite a few more advantages to writing the essay.

One of the most important things for everyone is to express oneself, and the practice of doing so must be given to the child from a very young age. And writing an essay helps the students in this very important thing.

For writing a good essay on any topic, the students must have a good understanding of the subject of the essay. And hence, writing an essay on the Importance of water, helps the students in learning about the value of water, not just our lives, which is to say humans, but the life of the whole planet.

In his famous play Hamlet Shakespeare writes, Brevity is the soul of wit, meaning being short or concise is very important in speech, or shortness of words is the essence of intelligence. The same rule applies in writing the essay, and doing as clear an understanding of the topic at hand is required as possible. And hence composing an essay on the importance of water helps the students understand the same.

One of the most important gifts that humans are blessed with is the gift of language, and this gift has to be used effectively. Writing an essay helps the students in learning the methods of using the language in such a manner that it makes everything clear to the reader. A good essay does not only touch the heart of the readers but it opens the mind of the reader, it can move them, that is to say, if a good essay is written on the importance of water it can make the readers aware about the same, and not just aware but also careful about using the water.

Water means Life. Water is a prime natural resource. It is a basic need for humans and a precious asset that living beings have. Water is equally vital for the survival of the plant and animal kingdoms. Soil needs water for sustaining plants. The water cycle is essential for ecological balance too. Though a big portion of the Earth is covered with water, only a small portion of it can be used for various human activities. So we need to be judicious and rational, regarding the usage of water.

Why is water important for our bodies?

Water is important for our body for the following reasons. 

 Above 70% of our body contains water so it is pivotal for the human race to survive. 

Water helps in regulating our body temperature. 

 Water helps in the digestion of solid food. 

It also keeps our skin healthy and hydrated. 

Water helps in excreting waste from our body through sweat, urination, and defecation. So replenishing the water in our body is essential to prevent dehydration.

Drinking water also helps in reducing calories and maintaining body weight because it can increase the rate of metabolism.

Water consumption lubricates the joints, spinal cord, and tissues.

Importance of Water

All living organisms, plants, animals, and human beings contain water. Almost 70% of our body is made up of water. Our body gets water from the liquids we drink and the food we eat. Nobody can survive without water for more than a week. All plants will die if they do not get water. This would lead to the death of all the animals that depend on plants for their food. So the existence of life would come to an end.

Role of Water In Life Processes

Water plays an important role in most of the life processes by acting as a solvent. The absorption of food in our body takes place in solution form with water as the solvent. Also, many waste products are excreted in the form of solutions through urine and perspiration. 

Water helps in regulating our body temperature. In hot weather, we drink a lot of water. This maintains our body temperature. Also, water evaporates from the surface of our body as sweat. This takes away heat and cools the body. 

Water is essential for plants to grow. Plants need water to prepare food. They also absorb dissolved nutrients from the soil through their roots. 

Aquatic plants and animals use the nutrients and oxygen dissolved in water for their survival. 

Uses of Water In Everyday Life

Water is used for drinking, washing, cooking, bathing, cleaning, in our day-to-day life.

It is used to generate electricity in hydroelectric power stations.

Water is used for irrigating fields and in the manufacture of various products. 

Other Uses of Water

Water serves as a means of transportation for goods and people.

It provides a medium for recreational sports such as swimming, boating, and water skiing. 

Water is also used to extinguish fires. 

Importance of Oceans

Oceans are of immense use to man. They are useful in many ways, directly and indirectly. They not only play a significant role in the climate of adjoining countries but also serve mankind in many ways. They are a storehouse of several resources. 

An ocean is a major source of water and forms a major part of the water cycle. Oceans contribute water vapor to the atmosphere and we get the same in the form of precipitation.

The oceans are the biggest storehouse of edible forms of marine food, fish being most important. In addition to food, sea animals provide other products like oil, glue, etc.

Oceans have enormous mineral and chemical wealth. A variety of dissolved salts like sodium chloride (common salt), magnesium chloride, and potassium chloride are found in plenty in the oceans.

Oil and gas are important fuels obtained from oceans.

Importance of Lakes and Rivers

Economic and industrial development

Water storage

Hydroelectric power generation

Agricultural purposes

Modern multipurpose dams

Source of food

Source of minerals

Tourist attractions and health resorts

Rivers provide fresh drinking water

Ports can be built on them as they form good natural harbors 

Major Concerns

Although our planet Earth is covered with 71% percent of water and 29% of the land, the fast-growing contamination of water is affecting both humans as well as marine life. The unequal distribution of water on the Earth and its increasing demand due to the increasing population is becoming a concern for all. 

Water pollution makes it difficult for marine animals to sustain themselves.

Covering over 71% of Earth’s surface, water is undoubtedly the most precious natural resource that exists on our planet. Without the seemingly invaluable compound comprising Hydrogen and Oxygen, life on Earth would be non-existent. 

We are slowly but harming our planet at a very alarming rate.

Characteristics of a Good Essay.

It must be brief: As pointed out earlier, a good essay must be short, and also to the point. So, if students are writing an essay on the importance of water it must only deal with the water, and anything which does not directly serve the purpose must be excluded.

Must cover the whole topic: Though it may seem a little contradicting to the first point, what is meant by covering the whole topic is that the maximum number of aspects dealing with the importance of water must be covered in this essay. For instance, water is important for all living organisms and not just humans, and so the same has to be covered in one or the other way in the essay on the importance of the water.

Must be to the point: The essay must remain true to the central idea of the topic, which is the importance of water in this case. Hence, almost all the sentences written in the essay must serve the main topic in one or another way. And also, writing should not be vague or ambiguous, or illogical.

Human beings should realize how important and precious water is. At the individual level, you can be more responsible and avoid wasting water so that our future generation can make the best use of this natural resource abundantly.

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FAQs on Importance of water

1. Why is water important?

Water is important because it sustains all living organisms on Earth.

2. How is ocean water useful to Mankind?

Ocean water is useful to mankind in the following ways.

Oceans are a major source of water through the water cycle. 

Oceans have direct control over the climate.

Oceans are the biggest storehouse of marine food.

Oceans have enormous mineral and chemical wealth.

3. How is water important for our Body?

Water helps to carry nutrients and oxygen to each and every cell of our body. It helps in digestion. It keeps our skin healthy and hydrated. Water consumption lubricates the joints, spinal cord, and tissues.

4. What are the uses of water in our Daily Life?

Water is used for drinking, bathing, cooking, cleaning, and irrigation of crops and manufacturing various products.

5. Why should I use the essay provided by Vedantu on the Importance of water?

The essay that Vedantu provides on the topic of the Importance of water is prepared by expert teachers, for the students of the English language. And hence this essay can be used by the students as an outline or an example of the essay on the Importance of water, it does not necessarily mean that the students have to copy it completely, but it serves the purpose of guiding the students in attempting the essay. Furthermore, the essay is completely free for download for all the students and also it is available in a PDF file format.

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the role of water in our life essay

Biological Roles of Water: Why is water necessary for life?

by Molly Sargen figures by Daniel Utter

Water makes up 60-75% of human body weight. A loss of just 4% of total body water leads to dehydration, and a loss of 15% can be fatal. Likewise, a person could survive a month without food but wouldn’t survive 3 days without water. This crucial dependence on water broadly governs all life forms.  Clearly water is vital for survival, but what makes it so necessary?

The Molecular Make-up of Water

Many of water’s roles in supporting life are due to its molecular structure and a few special properties. Water is a simple molecule composed of two small, positively charged hydrogen atoms and one large negatively charged oxygen atom. When the hydrogens bind to the oxygen, it creates an asymmetrical molecule with positive charge on one side and negative charge on the other side (Figure 1). This charge differential is called polarity and dictates how water interacts with other molecules.

the role of water in our life essay

Water is the “Universal Solvent”

As a polar molecule, water interacts best with other polar molecules, such as itself. This is because of the phenomenon wherein opposite charges attract one another: because each individual water molecule has both a negative portion and a positive portion, each side is attracted to molecules of the opposite charge. This attraction allows water to form relatively strong connections, called bonds, with other polar molecules around it, including other water molecules. In this case, the positive hydrogen of one water molecule will bond with the negative oxygen of the adjacent molecule, whose own hydrogens are attracted to the next oxygen, and so on (Figure 1). Importantly, this bonding makes water molecules stick together in a property called cohesion . The cohesion of water molecules helps plants take up water at their roots. Cohesion also contributes to water’s high boiling point, which helps animals regulate body temperature .

Furthermore, since most biological molecules have some electrical asymmetry, they too are polar and water molecules can form bonds with and surround both their positive and negative regions. In the act of surrounding the polar molecules of another substance, water wriggles its way into all the nooks and crannies between molecules, effectively breaking it apart are dissolving it. This is what happens when you put sugar crystals into water: both water and sugar are polar, allowing individual water molecules to surround individual sugar molecules, breaking apart the sugar and dissolving it. Similar to polarity, some molecules are made of ions, or oppositely charged particles.  Water breaks apart these ionic molecules as well by interacting with both the positively and negatively charged particles. This is what happens when you put salt in water, because salt is composed of sodium and chloride ions.

Water’s extensive capability to dissolve a variety of molecules has earned it the designation of “universal solvent,” and it is this ability that makes water such an invaluable life-sustaining force.  On a biological level, water’s role as a solvent helps cells transport and use substances like oxygen or nutrients. Water-based solutions like blood help carry molecules to the necessary locations. Thus, water’s role as a solvent facilitates the transport of molecules like oxygen for respiration and has a major impact on the ability of drugs to reach their targets in the body. 

Water Supports Cellular Structure

Water also has an important structural role in biology. Visually, water fills cells to help maintain shape and structure (Figure 2). The water inside many cells (including those that make up the human body) creates pressure that opposes external forces, similar to putting air in a balloon. However, even some plants, which can maintain their cell structure without water, still require water to survive. Water allows everything inside cells to have the right shape at the molecular level. As shape is critical for biochemical processes, this is also one of water’s most important roles.

the role of water in our life essay

Water also contributes to the formation of membranes surrounding cells. Every cell on Earth is surrounded by a membrane, most of which are formed by two layers of molecules called phospholipids (Figure 3). The phospholipids, like water, have two distinct components: a polar “head” and a nonpolar “tail.” Due to this, the polar heads interact with water, while the nonpolar tails try to avoid water and interact with each other instead. Seeking these favorable interactions, phospholipids spontaneously form bilayers with the heads facing outward towards the surrounding water and the tails facing inward, excluding water. The bilayer surrounds cells and selectively allows substances like salts and nutrients to enter and exit the cell. The interactions involved in forming the membrane are strong enough that the membranes form spontaneously and aren’t easily disrupted. Without water, cell membranes would lack structure, and without proper membrane structure, cells would be unable to keep important molecules inside the cell and harmful molecules outside the cell.

the role of water in our life essay

In addition to influencing the overall shape of cells, water also impacts some fundamental components of every cell: DNA and proteins. Proteins are produced as a long chain of building blocks called amino acids and  need to fold into a specific shape to function correctly. Water drives the folding of amino acid chains as different types of amino acids seek and avoid interacting with water. Proteins provide structure, receive signals, and catalyze chemical reactions in the cell. In this way, proteins are the workhorses of cells. Ultimately proteins drive contraction of muscles, communication, digestion of nutrients, and many other vital functions. Without the proper shape, proteins would be unable to perform these functions and a cell (let alone an entire human) could not survive. Similarly, DNA needs to be in a specific shape for its instructions to be properly decoded. Proteins that read or copy DNA can only bind DNA that has a particular shape. Water molecules surround DNA in an ordered fashion to support its characteristic double-helix conformation. Without this shape, cells would be unable to follow the careful instructions encoded by DNA or to pass the instructions onto future cells, making human growth, reproduction, and, ultimately, survival infeasible . 

Chemical Reactions of Water

Water is directly involved in many chemical reactions to build and break down important components of the cell. Photosynthesis, the process in plants that creates sugars for all life forms, requires water. Water also participates in building larger molecules in cells. Molecules like DNA and proteins are made of repetitive units of smaller molecules. Putting these small molecules together occurs through a reaction that produces water. Conversely, water is required for the reverse reaction that breaks down these molecules, allowing cells to obtain nutrients or repurpose pieces of big molecules. 

Additionally, water buffers cells from the dangerous effects of acids and bases . Highly acidic or basic substances, like bleach or hydrochloric acid, are corrosive to even the most durable materials. This is because acids and bases release excess hydrogens or take up excess hydrogens, respectively, from the surrounding materials.  Losing or gaining positively-charged hydrogens disrupts the structure of molecules. As we’ve learned, proteins require a specific structure to function properly, so it’s important to protect them from acids and bases. Water does this by acting as both an acid and a base (Figure 4). Although the chemical bonds within a water molecule are very stable, it’s possible for a water molecule to give up a hydrogen and become OH – , thus acting as a base, or accept another hydrogen and become H 3 O + , thus acting as an acid. This adaptability allows water to combat drastic changes of pH due to acidic or basic substances in the body in a process called buffering. Ultimately, this protects proteins and other molecules in the cell.

the role of water in our life essay

In conclusion, water is vital for all life. Its versatility and adaptability help perform important chemical reactions. Its simple molecular structure helps maintain important shapes for cells’ inner components and outer membrane. No other molecule matches water when it comes to unique properties that support life. Excitingly, researchers continue to establish new properties of water such as additional effects of its asymmetrical structure. Scientists have yet to determine the physiological impacts of these properties. It’s amazing how a simple molecule is universally important for organisms with diverse needs. 

Molly Sargen is a first-year PhD Student in the Biological and Biomedical Sciences Program at Harvard Medical School.

Dan Utter is a fifth-year PhD student in Organismic and Evolutionary Biology at Harvard University. 

For More Information:

  • To learn more about the importance of drug solubility see this article . 
  • Check out these articles for more information about proteins and how water impacts their folding .
  • Learn more about phospholipids here . 
  • Learn more about water affects DNA structure here .
  • Learn more about acids and bases here . 
  • Check out the unique properties of water at this page or recently discovered properties of water at this article .

This article is part of our special edition on water. To read more, check out our special edition homepage !

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152 thoughts on “ Biological Roles of Water: Why is water necessary for life? ”

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Essay on Water for Students and Children

500+ words essay on water.

Water is one of the most important substances for life on earth to function. It is equally important for humans as well as animals. Water does not merely help us survive, but it is significant for our day to day functioning. It has numerous uses when we come to think about it. Majority of our earth is covered with water itself, but, not all of it is safe for consumption. Therefore, it makes it essential for us to utilize this transparent substance chemical wisely. Moreover, if we look at the shortage of water happening in our country, it makes it all the more important to conserve it immediately.

essay on water

Uses of Water

As we have already said that water has numerous uses, we will see where it is used. This part will most importantly help us realize the importance of water . It will make humans aware of what absence of water in the following areas can do to human life. As India’s main occupation is agriculture, water is exhaustively used here. Irrigation and cattle rearing requires a lot of water. Thus, a lot of farmers’ livelihood depends on it.

Further, industries use water for various purposes. It comes in handy when cooling, manufacturing and transporting several goods. For instance, thermal power plants consume quite a substantial amount of water for their running.

Furthermore, the domestic use of water cannot be left behind. In the day to day life of the common man, water plays a vital role. That is to say, from drinking water to washing utensils, we need water every step of the way.

After that, plants need water to survive and make food. It is one of the main elements which help them grow. Hence, water is extremely important for humans, animals, and plants to survive .

Get the huge list of more than 500 Essay Topics and Ideas

Do not Waste Water

While water is quite essential and yet so scarce, however, people fail to realize this fact. They waste water with little or no care for the results of this activity. There are various ways in which one can avoid wasting water . To begin with, all households must get their leaking taps checked. They should fix them immediately as every drop is precious.

Similarly, we must choose buckets instead of showers for bathing. This is a very debatable topic and it needs to be settled. Showers waste a lot of water, so people must prefer buckets. This particular habit is quite commonly found in most of the households. People do not turn off their taps while brushing their teeth and washing utensils. Always remember to keep the tap off when doing so.

In addition, encourage rainwater harvesting system in all homes. This can help conserve water like never before.

In short, water is essential for the survival of mankind. But, it is, unfortunately, being waster rapidly. Every citizen and government must come together to tackle this issue. Governments must ensure all areas get water equally. On the other hand, citizens must keep in mind to use it wisely and not waste it unnecessarily.

FAQs on Water

Q.1 State the importance of water.

A.1 Water is of the utmost importance for human and animal life. It gives us water to drink. It also comes in great use for farmers and industries. Even common man requires water for various purposes like drinking, cleaning, bathing and more.

Q.2 List the ways to avoid wastage of water.

A.2 Everyone must avoid wasting water. We can do so by fixing our leaking taps, avoiding showers for bathing, and turning off taps when brushing. Furthermore, we can adopt rainwater harvesting system to conserve water.

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Why Is Water So Important? Here’s What You Need to Know

How water works in your body, how much water do you need, how to stay hydrated.

Water is a major component of your body, accounting for 50–60% of your total weight. It is vital for many important body functions, from flushing out waste to lubricating your joints.

Your body constantly loses water throughout the day through urinating, sweating, and breathing. You should consume enough water from foods and beverages daily to prevent dehydration .

This article covers research-backed reasons why your body needs water and how much you need each day.

Klaus Vedfelt / Getty Images

All body cells, organs, and tissues require water to function. Generally, a person can only survive without water for a few days.  

It Maintains a Normal Body Temperature

Water regulates our internal temperature by distributing heat throughout the body and cooling it through perspiration (sweat).

When the body becomes too hot, it loses water through sweat . The evaporation of sweat from the skin cools the body, keeping its temperature within a normal range.

If a person becomes dehydrated, they can't produce enough sweat to cool their body. This can cause the body's temperature to reach dangerous levels, leading to heat stroke .

Avoid dehydration by drinking plenty of water if you're working outside or sweating more than usual.

It Protects Your Joints, Spinal Cord, and Other Tissues

Water acts as a lubricant in the mouth (through saliva ) and the eyes (through tears) to help prevent dryness. It's necessary to produce synovial fluid , which lubricates, cushions, and protects the joints.

Water also helps protect the spinal cord and prevents injuries by increasing tissue flexibility and elasticity.

It Transports Nutrients and Gets Rid of Waste

As a major component of blood, water helps transport nutrients and oxygen to cells throughout the body. Water also helps carry waste from the body for excretion through perspiration, urination, and bowel movements.

The kidneys need water to effectively filter waste from the blood and flush it from the body as urine. Staying adequately hydrated helps prevent kidney stones and urinary tract infections (UTIs) , which can harm the kidneys.

Prevents Dehydration

Drinking water daily can help prevent dehydration, a condition that occurs when you lose more fluids than you absorb.

Early signs of dehydration include:

  • Feeling thirsty
  • Dark-colored urine
  • Urinating less than usual

Because water is involved in so many body functions, dehydration can eventually cause life-threatening symptoms, including:

  • Rapid breathing
  • Rapid heartbeat
  • Inability to urinate

People who exercise in the heat, work outdoors, or have certain health conditions that cause them to urinate or sweat more than usual are at a greater risk of dehydration.

It Aids Digestion

Your saliva is primarily made up of water. Saliva is a digestive juice that moistens food, allowing it to move easily through the esophagus into your stomach. Saliva also contains enzymes that help break down starches in food.

As the digestive process continues, water helps break down food, allowing your body to absorb nutrients. Water also makes bowel movements easier.

It Protects Against Chronic Illness and Boosts Longevity

Adequate hydration is linked to healthy aging and longevity. One potential reason for this is that decreased water intake can lead to higher sodium concentrations in the blood, which raises the risk of chronic disease.

Studies suggest that adults who stay hydrated are healthier and less likely to develop chronic diseases, including heart and lung disease . Well-hydrated adults also seem to live longer than adults who don't consume enough fluids.

It Improves Mood and Cognitive Function

Dehydration may cause fatigue and confusion and may be linked to symptoms of anger and depression. In a small study, it was linked to poor cognitive function, potentially affecting attention span and working memory.

One study of young adults looked at the effects of water on cognitive performance and mood after 12 hours of water restriction. Researchers found that 200 milliliters of water improved thirst, anger, fatigue, and overall mood. However, 500 milliliters was optimal, improving mood and cognitive performance.

The amount of water you need depends on several factors, including age, sex, activity level, and health status.

For healthy individuals, the adequate daily water intake is around 11.5 cups for women and about 15.5 cups for men. This includes fluids consumed from all foods and beverages.

Experts estimate that most people get around 20% of their daily water intake from food. This means women should drink about 9 cups of fluid daily, while men should aim for 13 cups to maintain adequate hydration.

People who live in warmer climates, are more physically active, or are experiencing an illness that causes fever and/or diarrhea or vomiting have increased fluid needs.

One easy way to see if you are properly hydrated is to check the color of your urine. If you are drinking enough water, your urine will be pale yellow. If it is dark, you may need to increase your consumption.

Individuals with heart failure or kidney disease may need to limit their fluid intake.

Can You Drink Too Much Water?

Drinking too much water can lead to water intoxication or overhydration, which occurs when the kidneys cannot flush out excess water. This can cause a medical emergency due to decreased sodium concentrations in the blood ( hyponatremia ). To avoid water intoxication, do not drink more than 48 ounces, or six cups, per hour.

If you find it challenging to stay hydrated, here are some helpful tips to keep in mind:

  • Keep a reusable water bottle with you and refill it throughout the day
  • Choose water or sparkling water instead of sugary beverages
  • When you feel thirsty, drink water
  • Change things up by squeezing fresh lemon or lime into your water or adding a few berries or cucumber slices
  • Snack on water-rich fruits and vegetables , including watermelon, cantaloupe, lettuce, and celery, throughout the day
  • Keep track of your water intake by using a water tracker app
  • Drink water with all meals

Water is vital for your health. It is necessary for temperature regulation, digestion, nutrient absorption, and body waste removal. Drinking water daily can prevent dehydration, a condition that can cause mood and memory problems, constipation, and kidney stones.

People who work in high temperatures, exercise at high intensities, or are sick are at a greater risk of dehydration. Talk to a healthcare provider or registered dietitian to determine the right amount of water for you.

Zhou HL, Wei MH, Cui Y, et al. Association between water intake and mortality risk-evidence from a national prospective study .  Front Nutr . 2022;9:822119. doi:10.3389/fnut.2022.822119

Academy of Nutrition and Dietetics. How much water do you need?

MaineDOT. The importance of hydration .

Johns Hopkins Medicine. Dehydration and heat stroke .

Lorenzo I, Serra-Prat M, Yébenes JC. The role of water homeostasis in muscle function and frailty: a review .  Nutrients . 2019;11(8):1857. doi:10.3390/nu11081857

Centers for Disease Control and Prevention. Water and healthier drinks .

National Kidney Foundation. 6 tips to be "water wise" for healthy kidneys .

MedlinePlus. Dehydration .

National Institute of Diabetes and Digestive and Kidney Diseases. Your digestive system & how it works .

National Institute of Diabetes and Digestive and Kidney Diseases. Eating, diet, & nutrition for constipation .

National Heart, Lung, and Blood Institute. Good hydration linked to healthy aging .

Zhang J, Zhang N, He H, et al. Different amounts of water supplementation improved cognitive performance and mood among young adults after 12 h water restriction in Baoding, China: a randomized controlled trial (RCT) .  Int J Environ Res Public Health . 2020;17(21):7792. doi:10.3390/ijerph17217792

National Kidney Foundation. The dos and don'ts of fluid management for kidney disease .

MedlinePlus. Heart failure .

Joo MA, Kim EY. Hyponatremia caused by excessive intake of water as a form of child abuse .  Ann Pediatr Endocrinol Metab . 2013;18(2):95-98. doi:10.6065/apem.2013.18.2.95

Centers for Disease Control and Prevention. Heat stress: hydration .

By Lindsey DeSoto, RD, LD Desoto is a registered dietitian specializing in nutrition and health and wellness content.

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Water Is Life Essay

Essay on Water Is Life - We must comprehend the value of water in our life and the need to preserve it. There are numerous easy ways to prevent water waste, including taking shorter showers, watering plants with RO waste, cleaning cars with a wet cloth rather than a hose, etc. Here are 100, 200 and 500 word essay on “Water Is Life”

Water Is Life Essay

All life forms on earth require water in some capacity in order to function. It is safe to claim that the existence of water makes Earth the only planet capable of supporting life. One of our most important resources on earth is water. Water is essential to life, and we cannot exist without it. Not just humans, all forms of life on Earth consumes water in some form or other, as water is essential for organisms to survive. Here are some sample essays on “Water Is Life”

100 Words Essay On Water Is Life

Life is water. Water is a necessity for all life on Earth. Animals need water to quench their thirst, plants need water to draw nutrients from the soil and keep nourished, and people need water for a variety of activities like drinking, cooking, cleaning, and washing, to mention a few.

Numerous species live in water as well. Agriculture uses a significant portion of the water on Earth. It is primarily used to irrigate farms to maintain soil fertility and provide sufficient water for the crops. It is also used for raising animals. There is a lot of water in our world. As a result, all the needs mentioned earlier have been met for centuries.

200 Words Essay On Water Is Life

On Earth, there is an abundance of water. Both above and below the surface of the Earth, it exists. Rivers, ponds, seas, and oceans are just a few of the water bodies found on the surface of the Earth. Due to the sun's intense heat, the surface water evaporates. It moves through the atmosphere in the form of clouds that eventually break and fall as rain on the surface of the Earth. As a result, the water cycle, a constant natural process, replenishes the water that evaporates. This keeps the ecosystem in good shape and makes it worthwhile to live on our planet.

Usage Of Water

Agriculture, business, manufacturing, and families all require water. The quantity of water used in each sector will vary depending on the region of the world you reside. Water use significantly greatly between nations as well. Since it is frequently employed throughout some stages of the production process, water is also used in industry and manufacturing. Water is used to transport, process, chill, and dilute items.

Water can be used in large quantities during resource extraction or mining to remove minerals or other materials from the earth. Water is used in power plants to cool down hot machinery. It offers a venue for leisure activities like swimming, rowing, and water skiing. Water is also used to put out fires in case of emergencies.

500 Words Essay On Water Is Life

Water is necessary for our survival as well as for a healthy and happy life. It's time for everyone to wake up and understand how important water conservation is. In other words, the human species couldn't survive in a world without water. All plants and animals fall under this same category. In fact, without water, the entire planet will suffer. To gather rainwater, we must also employ the rainwater harvesting technique. In this way, we can conserve water.

Uses Of Water By Humans, Plants And Animals

Water has many purposes for humans.

Water consumption is essential for the survival of all living things. So, drinking water is one of its primary functions. Cooking also involves the usage of water.

Without using water, it is impossible to clean a home, workplace, car, piece of machinery, or anything else for that matter. Every cleaning task calls for water. Additionally, water is needed for washing dishes, laundry, and other items.

Agriculture uses a significant portion of the water on Earth. It is primarily used to irrigate farms in order to maintain soil fertility and provide sufficient water for the crops. It is also used for raising animals. Water is used in industries for several reasons. Water is used for various product manufacturing processes. It is utilised in the processing, manufacturing, and transporting many different items. The pulp and paper industry and the engineering sector are examples of businesses requiring a lot of water.

The Biological Need For Water

By serving as a solvent, water is an essential component of the majority of biological activities. Food is absorbed into our bodies as solutions using water as the solvent. Additionally, a lot of waste materials are eliminated as solutions through sweat and urine. Our body temperature is regulated by water. We consume a lot of water when it's hot outside. This keeps our body temperature constant. Additionally, sweat contains water that evaporates from our body's surface.

My Experience

I was on a beach vacation with my family, and we spent most of our days swimming in the ocean and playing in the waves. One day, we decided to rent a boat and snorkelling in a nearby coral reef. The water was crystal clear, and the colours of the fish and coral were so vibrant and beautiful. After snorkelling, we stopped at a small beachside restaurant for lunch, where we enjoyed fresh seafood and cold drinks while watching the waves roll in. It was a memorable day, and I will always cherish the time I spent in the water on that trip. This trip reminded me that one of my best memories was only possible because water exists. It showed me the life that water holds below land, like coral reefs and also how beautiful animals exist, like turtles.

So, to summarise, water is necessary for plants, humans and animals. Water makes Earth the only planet capable of supporting life. One of the most important resources we have on the earth is this all-purpose solvent. Water is essential to life, and we cannot exist without it. After all, it covers about 70% of the planet.

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3.4. why is water so important for life as we know it.

Table of Contents

Grades K-2 or Adult Naive Learner

  • NGSS Connections for Teachers
  • Concept Boundaries for Scientists

Have you noticed that everything alive needs water? Your pets, trees, and your family, too. So why do you think that is? It’s true that our bodies and other living things are made from all sorts of different things but water makes up a lot of it. Also, when you look at a globe of Earth, there really is a lot of water! Scientists have found that all living things need water. So, if we would like to try to find living things from some other planet, then maybe we should look for places that also have water.

Disciplinary Core Ideas

LS1.C: Organization for Matter and Energy Flow in Organisms: All animals need food in order to live and grow. They obtain their food from plants or from other animals. Plants need water and light to live and grow. (K-LS1-1)

ESS3.A: Natural Resources: Living things need water, air, and resources from the land, and they live in places that have the things they need. Humans use natural resources for everything they do. (K-ESS3-1)

LS2.A: Interdependent Relationships in Ecosystems: Plants depend on water and light to grow. (2-LS2-1)

ESS2.B: Plate Tectonics and Large-Scale System Interactions: Maps show where things are located. One can map the shapes and kinds of land and water in any area. (2-ESS2-2)

ESS2.C: The Roles of Water in Earth’s Surface Processes: Water is found in the ocean, rivers, lakes, and ponds. Water exists as solid ice and in liquid form. (2-ESS2-3)

Crosscutting Concepts

Patterns: Patterns in the natural world can be observed. (2-ESS2-2),(2-ESS2-3)

Big Ideas: Water is critical for life. Living things are made up of water. When looking for life beyond Earth, places that have water are of great interest.

Boundaries: Students in this grade band describe patterns of what plants and animals (including humans) need to survive. Examples of patterns could include that animals need to take in food but plants do not; the different kinds of food needed by different types of animals; the requirement of plants to have light; and that all living things need water. (K-LS1-1)

K-8 Water in the Biosphere. In this one-hour lesson, students make their own qualitative observations outdoors. Then they examine the life they saw and how water in the biosphere is part of the greater water cycle on Earth. This lesson can stand alone or be a part of a larger unit which includes the water cycle, Earth’s water and interacting spheres. NASA . https://pmm.nasa.gov/education/lesson-plans/water-biosphere

K-8 The Water Cycle. In this one-hour lesson, students participate in a web quest to learn about the water cycle, and then build a mini-model of the water cycle to observe how water moves through Earth’s four systems. This lesson can stand alone or be a part of a larger unit which includes the water in the biosphere, Earth’s water, and interacting spheres. NASA . https://pmm.nasa.gov/education/lesson-plans/water-cycle

Grades 3-5 or Adult Emerging Learner

All living things on Earth need water. Everything from people, plants, animals, and even mushrooms and things too small to see need water to survive. Even things like cacti in a desert need some water to live. Water seems to be very important for life. Have you ever looked at a globe – there is a lot of water! Since all living things that we know of need water and many of us want to know if there could be other living things out there beyond Earth, then one thing we can do is investigate places with water beyond Earth. Mars had rivers and lakes of water a long time ago and there could still be some water deep underground there today. Also, there are some moons around other planets that have lots of water. We need to continue to investigate these places and more because if there is water, then there might be life, too.

ESS2.A: Earth Materials and Systems: Rainfall helps to shape the land and affects the types of living things found in a region. Water, ice, wind, living organisms, and gravity break rocks, soils, and sediments into smaller particles and move them around. (4-ESS2-1) *Earth’s major systems are the geosphere (solid and molten rock, soil, and sediments), the hydrosphere (water and ice), the atmosphere (air), and the biosphere (living things, including humans). These systems interact in multiple ways to affect Earth’s surface materials and processes. The ocean supports a variety of ecosystems and organisms, shapes landforms, and influences climate. Winds and clouds in the atmosphere interact with the landforms to determine patterns of weather. (5-ESS2-1)

ESS2.B: Plate Tectonics and Large-Scale System Interactions: The locations of mountain ranges, deep ocean trenches, ocean floor structures, earthquakes, and volcanoes occur in patterns. Most earthquakes and volcanoes occur in bands that are often along the boundaries between continents and oceans. Major mountain chains form inside continents or near their edges. Maps can help locate the different land and water features areas of Earth. (4-ESS2-2)

PS3.D: Energy in Chemical Processes and Everyday Life: The energy released [from] food was once energy from the Sun that was captured by plants in the chemical process that forms plant matter (from air and water). (5-PS3-1)

LS1.C: Organization for Matter and Energy Flow in Organisms: Food provides animals with the materials they need for body repair and growth and the energy they need to maintain body warmth and for motion. (5-PS3-1) *Plants acquire their material for growth chiefly from air and water. (5-LS1-1)

LS2.A: Interdependent Relationships in Ecosystems: The food of almost any kind of animal can be traced back to plants. Organisms are related in food webs in which some animals eat plants for food and other animals eat the animals that eat plants.

LS2.B: Cycles of Matter and Energy Transfer in Ecosystems: Matter cycles between the air and soil and among plants, animals, and microbes as these organisms live and die. Organisms obtain gases, and water, from the environment, and release waste matter (gas, liquid, or solid) back into the environment. (5-LS2-1)

ESS2.C: The Roles of Water in Earth’s Surface Processes: Nearly all of Earth’s available water is in the ocean. Most freshwater is in glaciers or underground; only a tiny fraction is in streams, lakes, wetlands, and the atmosphere. (5-ESS2-2)

Systems and System Models: A system can be described in terms of its components and their interactions. (5-ESS2-1, 5-ESS3-1)

Big Ideas: All living things on Earth need water. Since water is vital for life on Earth, places beyond Earth that have water are of great interest. In the past, Mars had an abundance of water and it still has water today as do some of the moons around other planets in our solar system. These may be the best places to find life outside of Earth.

Boundaries: Students in this grade band are learning to graphically represent the distribution of water on Earth, including its oceans, lakes, glaciers, ground water, and polar ice caps. (5-ESS2-2)

5-12 Astrobiology Graphic Histories. Issue 5: Astrobiology and the Earth. These astrobiology related graphic books are ingenious and artfully created to tell the story of astrobiology in a whole new way. The complete series illustrates the backbone of astrobiology from extremophiles, to exploration within and beyond the solar system. This issue explains how astrobiologists explore analog environments on Earth in order to better understand environments that could support life on other worlds like Mars. Studying Earth is key to understanding life’s potential in the universe. NASA . https://astrobiology.nasa.gov/resources/graphic-histories/

6-12 (3-5 adaptable) Project Spectra! – Planet Designer: Kelvin Climb. The focus of these lessons (17) is on how light is used to explore the Solar System. In the lesson (60 minutes) “Planet Designer: Kelvin Climb” students create a planet using a computer game and change features of the planet to increase or decrease the planet’s temperature. Students explore some of the same principles scientists use to determine how likely it is for a planet to maintain flowing water, a critical ingredient for life as we know it. Using computer simulation is a powerful tool in the search for life and the conditions for life in the solar system and beyond. University of Colorado, Boulder/NASA. http://lasp.colorado.edu/home/wp-content/uploads/2013/06/KelvinClimb_teacher_20130617.pdf

6-12 (3-5 adaptable) Project Spectra! Planet Designer: Retro Planet Red. The focus of these lessons (17) is on how light is used to explore the Solar System. In the lesson (60 minutes) “Planet Designer: Retro Planet Red” students learn about Mars’ past and present before exploring the pressure and greenhouse strength needed for Mars to have a watery surface as it had in the past. Water is a key ingredient for life. University of Colorado, Boulder/NASA. http://lasp.colorado.edu/home/wp-content/uploads/2013/06/Retro_Planet_Red_teacher_20130617.pdf

Grades 6-8 or Adult Building Learner

One attribute that is common to all living things that we know of is the need for water to survive. Even organisms that live in very dry places need water to live. Why? Why is water so important to living things? One reason that water is so important is because it’s a liquid. This means that it can move around the materials that are needed for chemical reactions. These reactions include the ability for cells to get energy in and to move waste out.

Water is made up of two atoms of hydrogen and one atom of oxygen that make a molecule. But water is a certain type of molecule called a “polar molecule”. Polar molecules have one side of the molecule that’s a bit more positively charged and the other side a little more negatively charged. This allows water to more easily break apart or dissolve other molecules. That’s why you can dissolve salt in water! There are actually a lot of other liquids that can do this but water has other advantages as well. Water is very plentiful. About 70% of the surface of Earth is covered by water, from our oceans and our lakes to our rivers and streams. It turns out that water is also plentiful in the solar system. Comets have a lot of water within them, there is ample evidence that liquid water existed on ancient Mars in great quantities, and many moons have water under their surfaces.

Water is super important for life as we know it! There might be other forms of life out there that don’t rely on water the way we do, but looking for alien life in places with lots of water is one good way to start searching for possible extraterrestrial life.

LS1.C: Organization for Matter and Energy Flow in Organisms: Plants, algae (including phytoplankton), and many microorganisms use the energy from light to make sugars (food) from carbon dioxide from the atmosphere and water through the process of photosynthesis, which also releases oxygen. These sugars can be used immediately or stored for growth or later use. (MS-LS1-6)

PS3.A: Definitions of Energy: The term “heat” as used in everyday language refers both to thermal energy (the motion of atoms or molecules within a substance) and the transfer of that thermal energy from one object to another. In science, heat is used only for this second meaning; it refers to the energy transferred due to the temperature difference between two objects. Temperature is a measure of the average kinetic energy of particles of matter. The relationship between the temperature and the total energy of a system depends on the types, states, and amounts of matter present. (MS-PS3-3, MS-PS3-4)

PS3.D: Energy in Chemical Processes and Everyday Life: The chemical reaction by which plants produce complex food molecules (sugars) requires an energy input (i.e., from sunlight) to occur. In this reaction, carbon dioxide and water combine to form carbon-based organic molecules and release oxygen.

ESS2.C: The Roles of Water in Earth’s Surface Processes: Water’s movements — both on the land and underground — cause weathering and erosion, which change the land’s surface features and create underground formations. (MS-ESS2-2)

ESS3.A: Natural Resources: Humans depend on Earth’s land, ocean, atmosphere, and biosphere for many different resources. Minerals, fresh water, and biosphere resources are limited, and many are not renewable or replaceable over human lifetimes. (MS-ESS3-1)

Structure and Function: Complex and microscopic structures and systems can be visualized, modeled, and used to describe how their function depends on the relationships among its parts, therefore complex natural structures/systems can be analyzed to determine how they function. (MS-LS1-2)

Big Ideas: All living things on Earth need water. It is critical to cellular function. Since water is vital for life on Earth, places beyond Earth that have water are of great interest. As a polar molecule, it has specific chemical properties, like the ability to dissolve other molecules. Water has been found in other places beyond Earth, like Mars and meteorites. Because water is so universal, astrobiologists look for water on other worlds as an indicator of possible life.

Boundaries: Students in this grade band construct a scientific explanation based on evidence for how the uneven distributions of Earth’s mineral, energy, and groundwater resources are the result of past and current geoscience processes. Emphasis is on how these resources are limited and typically non-renewable. (MS-ESS3-1)

6-12 Big Picture Science: Rife with Life. “Follow the water” is the mantra of those who search for life beyond Earth. Where there’s water, there may be life. This podcast features a tour of watery solar system bodies that hold promise for biology: Europa, Enceladus, Mars & Titan. SETI scientist Seth Shostak hosts this radio show on various topics in science, cosmology, physics, astronomy and astrobiology. Shostak interviews experts and explains important discoveries and concepts including in his weekly 50-minute shows. http://www.bigpicturescience.org/episodes/Rife_with_Life and http://www.bigpicturescience.org/Astrobiology_Index

6-12 Astrobiology Math. This collection of math problems provides an authentic glimpse of modern astrobiology science and engineering issues, often involving actual research data. Students explore concepts in astrobiology through calculations. Relevant topics include Ice or Water? (page 49) and Ice to Water…The Power of a Little Warmth! (page 51). NASA . https://www.nasa.gov/pdf/637832main_Astrobiology_Math.pdf

8-10 SpaceMath Problem 275: Water on the Moon! Students estimate the amount of water on the moon using data from Deep Impact/EPOXI and NASA ’s Moon Mineralogy Mapper experiment on the Chandrayaan-1 spacecraft. [Topics: geometry, spherical volumes and surface areas, scientific notation] https://spacemath.gsfc.nasa.gov/moon/6Page11.pdf

8-10 SpaceMath Problem 264: Water on Planetary Surfaces. Students work with watts and Joules to study melting ice. [Topics: unit conversion, rates] https://spacemath.gsfc.nasa.gov/astrob/Astro3.pdf

8-10 SpaceMath Problem 121: Ice on Mercury? Since the 1990’s, radio astronomers have mapped Mercury. An outstanding curiosity is that in the polar regions, some craters appear to have ‘anomalous reflectivity’ in the shadowed areas of these craters. One interpretation is that this is caused by subsurface ice. The MESSENGER spacecraft hopes to explore this issue in the next few years. In this activity, students measure the surface areas of these potential ice deposits and calculate the volume of water that they imply. [Topics: area of a circle; volume, density, unit conversion] https://spacemath.gsfc.nasa.gov/planets/4Page23.pdf

Grades 9-12 or Adult Sophisticated Learner

All life on this planet needs water to survive. Some life can live with very little water in extremely dry places but they still need water. As we strive to find life beyond Earth, it is important to consider what life on Earth tells us about where to look. Why is water so important for life? Water supports cell functions. All organisms are made of cells, from microbes to the largest animals. All of life’s functions are completed within cells. Life needs chemical reactions to take place in order to gain energy, grow, and get rid of waste. Water is a liquid which allows the chemistry of life to take place. It is also a polar molecule which allows most other molecules to be dissolved. Because of this, we call water a “solvent”. Having such a good solvent as water is critical for the functions of life. But there are also some other reasons why water is so important:

Water is plentiful! Hydrogen is the most plentiful element in the universe and oxygen the most plentiful in Earth’s crust. On Earth, about 70% of the surface is covered by water. But there’s also lots of water in other places in our solar system. For instance, we’ve found many lines of evidence that lots of water existed on the surface of Mars during its early times, and Mars currently has a lot of frozen water under its surface. Comets contain mostly water ice. There are lots of moons in our solar system that are made of a lot of water ice, and there are even some moons with liquid water oceans under their icy crusts (like Europa and Enceladus).

Water still has other advantages as a solvent for life. For instance, water stays in the liquid phase over a large range of temperatures compared to some other solvents. That allows more places to have the potential for liquid water. It also has a high heat capacity. This means that water offers some protection to organisms from quick or drastic temperature changes.

Water also has an interesting property with regard to the density of ice. For many molecules, the solid has a higher density than the liquid. So, for most molecules, the solid would sink in the liquid. But this isn’t the case with water. For water, ice is actually less dense than liquid water. This is why ice floats! If this didn’t happen, then all of the organisms that live in the bottoms of lakes in the winter time would be completely frozen. But, even worse, during times in our planet’s history when the world has become very cold (causing what we call Snowball Earth), if frozen water sank, then all of Earth’s ocean life would have become frozen and maybe died!

If we want to understand how life works, then it’s really important to understand the chemistry of water. And astrobiologists who are wondering if we’re alone in the universe need to be aware of the potential for water to be important for other kinds of life as well. Right now, we’re investigating worlds like Enceladus and Europa, Mars, and other solar system bodies that show signs of water. Also, beyond our solar system, we’re looking for exoplanets that have the potential for liquid water at their surfaces, since they might be important places for us to look for possible extraterrestrial life.

PS3.A: Definitions of Energy: Motion energy is properly called kinetic energy; it is proportional to the mass of the moving object and grows with the square of its speed. (MS-PS3-1) ▪A system of objects may also contain stored (potential) energy, depending on their relative positions. (MS-PS3-2) Temperature is a measure of the average kinetic energy of particles of matter. The relationship between the temperature and the total energy of a system depends on the types, states, and amounts of matter present. (MS-PS3-3, MS-PS3-4)

PS3.D: Energy in Chemical Processes and Everyday Life: The chemical reaction by which plants produce complex food molecules (sugars) requires an energy input (i.e., from sunlight) to occur. In this reaction, carbon dioxide and water combine to form carbon-based organic molecules and release oxygen. (MS-LS1-6)

LS2.C: Ecosystem Dynamics, Functioning, and Resilience: Biodiversity describes the variety of species found in Earth’s terrestrial and oceanic ecosystems. The completeness or integrity of an ecosystem’s biodiversity is often used as a measure of its health. (MS-LS2-5)

ESS2.A: Earth’s Materials and Systems: All Earth processes are the result of energy flowing and matter cycling within and among the planet’s systems. This energy is derived from the Sun and Earth’s hot interior. The energy that flows and matter that cycles produce chemical and physical changes in Earth’s materials and living organisms. (MS-ESS2-1)

ESS2.C: The Roles of Water in Earth’s Surface Processes: Water continually cycles among land, ocean, and atmosphere via transpiration, evaporation, condensation and crystallization, and precipitation, as well as downhill flows on land. (MS-ESS2-4) ▪ Global movements of water and its changes in form are propelled by sunlight and gravity. (MS-ESS2-4)

ESS3.A: Natural Resources: Humans depend on Earth’s land, ocean, atmosphere, and biosphere for many different resources. Minerals, fresh water, and biosphere resources are limited, and many are not renewable or replaceable over human lifetimes. These resources are distributed unevenly around the planet as a result of past geologic processes. (MS-ESS3-1)

ESS2.D: Weather and Climate: Weather and climate are influenced by interactions involving sunlight, the ocean, the atmosphere, ice, landforms, and living things. These interactions vary with latitude, altitude, and local and regional geography, all of which can affect oceanic and atmospheric flow patterns. (MS-ESS2-6) The ocean exerts a major influence on weather and climate by absorbing energy from the Sun, releasing it over time, and globally redistributing it through ocean currents. (MS-ESS2-6)

Stability and Change: Much of science deals with constructing explanations of how things change and how they remain stable. (HS-ESS2-7)

Big Ideas: All living things need water. Water is critical to cellular function, chemical reactions, and thermal regulation. Water is less dense when a solid and stays in the same state over a wide temperature range. It is abundant on Earth and a common thread between all living things. Water has been found in other places beyond Earth, like Mars and meteorites. Because water is so universal, Astrobiologist look for water on the surface and atmosphere of exoplanets as an indicator that the planet could support life. Understanding the chemistry of water is important to understanding how life works.

Boundaries: In this grade band, students investigate the properties of water and its effects on Earth materials and surface processes including chemical investigations like chemical weathering and recrystallization. (HS-ESS2-5)

9-12 SpaceMath Problem 338: Asteroids and Ice. Students calculate how much ice may be present on the asteroid 24-Themis based on recent discoveries by NASA [Topics: mass=density x volume; volume of a spherical shell] https://spacemath.gsfc.nasa.gov/astrob/6Page154.pdf

9-12 SpaceMath Problem 287: LCROSS Sees Water on the Moon. Students use information about the plume created by the LCROSS impactor to estimate the (lower-limit) concentration of water in the lunar regolith in a shadowed crater. [Topics: geometry; volumes; mass=density x volume] https://spacemath.gsfc.nasa.gov/moon/6Page66.pdf

Storyline Extensions

Water is so cool.

The range of temperatures at which water stays liquid is rather large compared to most other common solvents. For instance, at sea level methane freezes at -182 Celsius © and boils at -162 C (a range of 21 C) and ammonia freezes at -78 C and boils at -34 C (a range of 44 C), meanwhile water freezes at 0 C and boils at 100 C (a range of 100 C). This means that the range of temperatures where water is liquid is more than twice that of ammonia and almost five times more than that of methane.

Water has a high surface tension. This means that that the molecules at the surface of a body of water are attracted to each other and hold each other together. You can see this yourself by filling a glass with water to the very tippy top and then seeing how many more drops of water you can get into it. You’ll be surprised to find that you can actually get a good bit more water into the glass! The high surface tension of water is also why some insects, like water striders, are able to move around on top of water without sinking into it. It also is related to something called “capillary action”, which is used by many plants to draw water up from the ground against gravity.

It’s actually really rare for a solvent to be more dense as a liquid than as a solid. We know of other elements and molecules that are more dense as liquids, but it’s far more common for the solid form of a substance to be more dense.

[note: this is fairly advanced] Oxygen is a member of the group of elements known as the “oxygen family” (also sometimes called the chalcogens). These are the elements in the periodic table that are in group 16 (the vertical column starting with oxygen and going down). They include oxygen (O), sulfur (S), selenium (Se), tellurium (Te), and polonium (Po). All of these elements can form bonds with two hydrogen atoms. However, none of the other chalcogens come close to oxygen in its large range of temperatures where it is a liquid. This is because oxygen is much more electronegative (much greedier for electrons) and makes a far more polar molecule than the others. This greater polarity leads to stronger hydrogen bonding and the greater range of temperatures for liquid water.

Essay on Importance of Water in our Life For Students in Easy Words – Read Here

  • October 9, 2021

the role of water in our life essay

Water is one of the most important things for our life. It is necessary for all living beings and it is also a necessity for human body to survive. There are many ways in which we can use water to make our lives easier, but there are some other ways in which we can use it as well.

Importance of water in our life essay. Water is an essential part of our life and we need to take care of it.

We all understand the significance of water in our lives, but just to clarify, water is something that all humans need to survive in this planet. If the earth’s water supply is entirely depleted, the human species will be extinct within a day. Well, water is utilized for a variety of reasons and for a variety of things . Here are a few examples of the many applications we utilize in our daily lives.

The act of drinking water is what keeps a person alive. People would certainly consider and make themselves more comfortable for the period if they do not drink water for more than 12 hours. Water consumption is a healthy habit that all physicians suggest. A typical individual should drink at least 2 to 3 liters of water each day.

We all want a clean environment to live in and visit. However, we all know that water is required for any kind of cleaning. We need water to keep our clothing neat and clean, ware to keep our floors clean, and water to keep our toilets clean . As a result, water is required for every requirement that arises in your everyday activity.

What does wish to do well after drinking and cleaning is something that is needed not only for humans but also for animals and plants. Plants can’t develop without water, therefore if a farmer doesn’t receive water in a timely manner, his crop will be lost in 2 to 3 days. The farmer may simply produce veggies with the assistance of water.

The majority of people have no idea what the water cycle is. Also, how can we obtain water from the sky? Well, it’s quite simple; we’ve all learned in school that clouds contain water, but how do the clouds get this water?

This water cycle is maintained with the assistance of the sun. For example, the sun warms the water, which causes it to evaporate. Once evaporated, the water condenses into a cloud, which then travels to the city center and rains.

There are two major sources of water: surface water and groundwater. Let’s speak about surface water for a moment; most people are familiar with it. Surface water may be found in rivers, lakes, and the ocean, and it raises a voice that is utilized by humans to transport and survive for their lives.

Now it’s time to speak about groundwater. Ground water is water that is found under the earth’s surface. People discover this groundwater and begin to use it. No one knows how groundwater came to be, but as people start learning about it, they realize that most rivers are also linked to the ground from the surface, thus it is in some way related to the oceans for water.

Water is a very important part of our life. It is the most essential resource for human beings and it comes from rain, rivers, lakes, etc. Reference: essay on importance of water for class 4 .

Frequently Asked Questions

What is the importance of water to your life essay.

Water is a necessity for life. Without it, we would not be able to live. It helps us grow and provides us with the nutrients that we need in order to survive.

What is the importance of water in our life?

The importance of water in our life is that it provides us with the necessary nutrients to survive.

Why is water important 5 sentences?

Water is necessary for life. Without water, humans cannot survive.

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Water is Life Essay in English [Class 4th, 5th, 6th,7th, 8th, 9th, 10th]

  • 1 Introduction
  • 2 The Essential Role of Water for Humans
  • 3 The Impact of Water on the Environment
  • 4 The Importance of Conservation and Management
  • 5 Conclusion
  • 6.1 What is the “Water is Life Essay” about?
  • 6.2 Why is water important?
  • 6.3 What are the challenges related to water resources?
  • 6.4 What are some strategies for water conservation and management?
  • 6.5 What can individuals do to conserve and protect water resources?

Discover the essential role of water for human survival and environmental health in our ‘Water is Life Essay’. From the impact of water on ecosystems to the importance of conservation and management, this 1000-word essay highlights the significance of this precious resource and the need to protect it for future generations.

Water is Life Essay

Water is the most essential natural resource for all living beings, and its importance cannot be overstated. It is not only necessary for human survival but also plays a critical role in the health of the planet’s ecosystems. This essay aims to highlight the significance of water and the need for its conservation and management.

Introduction

Water is life. It is a simple statement, yet it encompasses the critical role that water plays in our lives. We use it every day for drinking, cooking, and sanitation, and it is essential for agriculture and industry. However, it is not just a human need. The environment depends on water for its health and well-being, and the world’s aquatic ecosystems are home to a significant amount of biodiversity. Unfortunately, water scarcity and pollution are becoming increasingly prevalent, and it is crucial to address these issues to ensure that we maintain our access to this precious resource. In this essay, we will explore the importance of water and the efforts being made to conserve and manage it.

The Essential Role of Water for Humans

Water is essential for human survival. The human body is made up of 60% water, and we need it to maintain bodily functions such as digestion, circulation, and temperature regulation. Drinking water is the best way to stay hydrated, but we also use water for cooking and sanitation. Without access to clean water, diseases such as cholera and dysentery can easily spread. Agriculture and industry also rely on water to function, and it is a critical resource for food production and manufacturing.

The Impact of Water on the Environment

Water is not just necessary for human survival but also plays a crucial role in the environment. Aquatic ecosystems, such as oceans, rivers, and lakes, provide habitat for countless species and support biodiversity. Water is also a significant factor in climate and weather patterns, and the hydrological cycle plays a vital role in the Earth’s natural processes. Unfortunately, water scarcity and pollution are having a severe impact on the environment, leading to the depletion of freshwater sources, habitat destruction, and species extinction.

The Importance of Conservation and Management

Given the essential role of water for both human survival and environmental health, it is crucial to conserve and manage it. There are numerous strategies for water conservation, including reducing water usage, implementing water-efficient technologies, and investing in wastewater treatment and reuse. Government policies and regulations can also play a critical role in managing water resources, and there are global efforts to address water-related issues. The United Nations’ Sustainable Development Goal 6 aims to ensure the availability and sustainable management of water and sanitation for all, and there are numerous organizations dedicated to water conservation and management, such as the World Wildlife Fund and the Water Project.

Wwater is a critical resource that is essential for human survival and environmental health. It is necessary for drinking, cooking, and sanitation, as well as for agriculture and industry. Water plays a vital role in the planet’s ecosystems, supporting biodiversity, and playing a role in the Earth’s natural processes. Unfortunately, water scarcity and pollution are becoming increasingly prevalent, and it is crucial to address these issues to ensure that we maintain our access to this precious resource. Through water conservation strategies, government policies and regulations, and global efforts, we can conserve and manage water resources for future generations. As a society, we must recognize that water is life and take action to protect it.

FAQs for Water is Life Essay

What is the “water is life essay” about.

The “Water is Life Essay” is an exploration of the essential role that water plays in human survival and environmental health. The essay highlights the impact of water on the planet’s ecosystems, the importance of conservation and management, and the need to protect this precious resource.

Why is water important?

Water is essential for human survival and is also critical to the health of the planet’s ecosystems. We use water for drinking, cooking, and sanitation, and it is necessary for agriculture and industry. Aquatic ecosystems, such as oceans, rivers, and lakes, provide habitat for countless species and support biodiversity. Water is also a significant factor in climate and weather patterns.

What are the challenges related to water resources?

Water scarcity and pollution are becoming increasingly prevalent, and these challenges are having a severe impact on the environment. This is leading to the depletion of freshwater sources, habitat destruction, and species extinction. It is crucial to address these issues to ensure that we maintain our access to this precious resource.

What are some strategies for water conservation and management?

There are numerous strategies for water conservation, including reducing water usage, implementing water-efficient technologies, and investing in wastewater treatment and reuse. Government policies and regulations can also play a critical role in managing water resources, and there are global efforts to address water-related issues.

What can individuals do to conserve and protect water resources?

Individuals can make a difference in conserving and protecting water resources by reducing water usage, fixing leaks, and investing in water-efficient technologies. It is also essential to avoid polluting water sources and to support organizations dedicated to water conservation and management.

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An Essay on Importance of water

An Essay on Importance of water in life (1000 words)

Introduction.

Water is one of the most abundant substances on Earth and yet it takes a lot of work to obtain, purify, and distribute. Clean drinking water is essential for life but many people don’t have access to clean water.

Importance of water for human body

Water is a necessary resource for all living organisms. It is the most abundant molecule on Earth and forms about 60% of the human body, but many people do not realize how important it really is.

The human body cannot function without water because it regulates core temperature, transports nutrients to cells, and excretes waste. There are also several other benefits to drinking plenty of water: improved skin tone, weight loss support, increased metabolism rate, better elimination process in the colon or kidneys among others.

Water should be drunk at least eight 8-ounce glasses per day (or 64 ounces). If you find yourself feeling hungry after only drinking that much water in a day then you might need more salt in your diet.

Importance of water in life

Water is the most important substance on Earth. It covers more than 70% of the Earth’s surface and enables life to exist as we know it. Water is also a vital resource for sustaining our planet. We cannot survive without water. The world’s population has never been so dependent on water as it is today.

Water is the most vital resource that sustains all living beings and its importance cannot be overstated. Without water, life simply couldn’t exist on earth. But due to pollution as well as climate change issues such as droughts and floods, we are now experiencing critical shortages of this natural resource that humans need for survival. It is time for us to start conserving more with regards to water usage in order to ensure that future generations will have enough clean fresh water available for their needs.

Uses of Water

Water is one of the most important resources on Earth. Water is used in many ways. It can be utilized for: drinking, bathing, cooking, and cleaning. In addition to these uses of water, it is also one of the most important sources of energy in the world.

Water is probably the most useful substance known to man. It’s a solvent, a lubricant, an aid to digestion, a purifier, and a transportation medium, which means it’s not only an ingredient in the things you put on your skin but it’s also something you’re putting on your skin.

Shortage of clean water

Globally, 1.2 billion people live without clean or safe water. The health of populations and economies are inextricably linked to the provision of adequate water supply. Water is a public health issue as it relates to human well-being, the economy, and the environment. Water quality is also affected by the complex interactions of climate change, pollution, and land-use change.

It has been estimated that 3 out 5 people on Earth lives without access to clean drinking water or adequate sanitation facilities which causes disease and death every day (World Health Organization). The lack of clean drinking water leads to illnesses such as diarrhea, malaria, and typhoid fever (WHO) . The World Bank estimates that poor hygiene practices lead to 2 million deaths per year due to diarrheal diseases.

How to avoid wastage of water

There are many ways you can conserve water in your home such as installing a low-flow showerhead, taking shorter showers, or recycling greywater. The first step is knowing how much you use on a day-to-day basis so that you know where you can start conserving the most. Once this has been done it is easier for us to make changes and save more! You could try asking yourself these questions: do I have leaky faucets? Do I regularly leave my taps running while washing dishes?

Considering how much we use it in our day-to-day lives, wasting water can be incredibly costly – not just in monetary terms but also with regard to the environment. There’s one simple thing you can do right now to help conserve this precious resource: turn off your taps when you brush your teeth! Every time you leave them running while brushing your teeth – which happens every morning – it wastes around two liters.

Why water is important? 10 Points

  • Water is the most important part of everyday life. So it’s no surprise that we are constantly reminded to drink water and to stay hydrated.
  • It makes up about 60% of our body weight, helps regulate body temperature, aids in digestion, keeps your skin looking healthy and can even help you lose weight! What most people don’t know though is how much you should be drinking each day.
  • The average person needs around 2-3 liters (1/2 gallon) per day but this number varies based on age and activity level. That could mean 6-9 glasses or a cup every couple hours! But what if you’re not feeling thirsty? Well there are other factors that affect thirst like medication use or stress levels.
  • It is estimated that over 70% of Americans are chronically dehydrated. And it is not just adults that suffer from this condition, kids are even worse off with the average child in America having 3-5 times more body fat than healthy levels.
  • In fact, water is the most important substance in our bodies. It is involved in every single process within our bodies from digestion to cellular respiration.
  • Water is the most important resource on this planet. Without water, no living thing could survive.
  • Water is used in everyday life like drinking, bathing, cooking and cleaning.
  • The plants cannot grow without water.
  • Nearly 1.2 billion people are suffering from shortage of clean drinking water.
  • We should avoid wastage of clean water by adopting various measures.

An Essay on Importance of water in life (1000 words)

Further Reading

  • How to Write an Essay | Structure of Essay (Comprehensive Guide)
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the role of water in our life essay

Guide to Exam

Water Source of Life Essay in 100, 120, 150, 200, 300 & 400 Words

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Table of Contents

Water Source of Life Essay in 100 Words

Water: the source of life.

Water is the essence of life, an invaluable resource that sustains all living beings on Earth. From the vast oceans to the smallest raindrops, water is a source of sustenance, vitality, and harmony. It nourishes plants, animals, and humans, providing essential hydration and enabling diverse ecosystems to flourish. Water is a gentle caress, as it cascades down mountains in pristine waterfalls and meanders in peaceful rivers. It is a majestic force, embodying power as it churns in roaring waves and creates breathtaking canyons. Water breathes life into barren landscapes, transforming them into flourishing havens. It is an irreplaceable source of life, reminding us of nature’s profound wisdom and generosity.

Water Source of Life Essay in 120 Words

Water is the essence of life, the elixir that sustains all living beings on Earth. It is the source of life itself, nourishing every organism, from the tiniest plant to the largest animal. Its significance goes beyond quenching thirst; it shapes entire ecosystems and supports countless interconnected processes. Water sustains agriculture, providing for the cultivation of crops that feed the world. It acts as a medium for transportation, commerce, and recreation. Its soothing presence calms the mind and rejuvenates the soul. In its many forms, water is a symbol of purity, clarity, and resilience. Truly, water is the ultimate source of life, the bountiful gift that keeps our world alive.

Water Source of Life Essay in 150 Words

Water, a transparent, odorless, and tasteless liquid, is undoubtedly the source of life on our planet. It holds a remarkable significance in sustaining all forms of life. With its ability to quench our thirst, water is an essential part of our daily routine. It plays a crucial role in maintaining the balance of ecosystems, serving as a habitat for countless marine species and providing nourishment to vegetation. Additionally, water helps regulate the Earth’s temperature, acting as a climate controller. Its importance goes beyond mere survival, as water offers relaxation, peace, and tranquility. From serene rivers to majestic waterfalls, water mesmerizes us with its beauty and brings us closer to nature. In summary, water is much more than just an essential resource; it is the very essence of life itself.

Water Source of Life Essay in 200 Words

Water is an essential element for the existence of life on our planet. It is not only important for human survival but also plays a crucial role in sustaining all living organisms. The significance of water as a source of life cannot be overstated.

Water serves as a medium for several biological processes. It helps in the breakdown of food, absorption of nutrients, and elimination of waste products from our bodies. Without water, these vital functions would cease to occur, leading to the demise of all life forms.

Furthermore, water acts as a habitat for various organisms. It supports a wide range of aquatic life, including fish, marine mammals, and countless microscopic organisms. These creatures not only depend on water for survival but also serve as a crucial part of our ecosystem, contributing to the overall balance of our planet.

Water also has the power to shape the natural landscape. Through erosion and weathering, it sculpts mountains, carves valleys, and creates impressive formations like canyons. These natural wonders, formed over millions of years, are a testament to the enduring force of water.

In addition to its biological and geological importance, water is also essential for social and economic development. It provides sustenance to agricultural activities, enabling the growth of crops and the development of farming communities. Water is also vital for various industries, supporting manufacturing, energy production, and transportation.

Water Source of Life Essay in 300 Words

Water: source of life.

Water, the source of life, is truly a marvel of nature. It is a vital element for all living beings and has played a crucial role in shaping our world. From the towering mountains to the serene rivers and vast oceans, water has a beautiful presence in every corner of our planet.

Water is essential for our survival. It is the foundation of all life forms, from the tiniest microorganisms to the largest mammals. We, humans, are composed mostly of water, with it making up about 60% of our bodies. It regulates our body temperature, aids digestion, transports nutrients, and flushes out toxins. Without water, life as we know it would cease to exist.

Furthermore, water sustains the planet’s ecosystems. It provides a habitat for countless species of plants and animals, creating a delicate balance that ensures biodiversity. Rivers, lakes, and wetlands are home to a diverse array of flora and fauna, whose existence is interdependent on water availability. Additionally, aquatic environments play a crucial role in maintaining the overall climate balance through evaporation and precipitation.

Water is also a source of solace and tranquility. It has a soothing effect on our minds and can bring a sense of peace and serenity. The sound of crashing waves, the gentle flow of a river, or the soft pitter-patter of rain can be incredibly calming. Many cultures around the world recognize the healing and therapeutic properties of water, using it in various rituals and practices.

In conclusion, water is undoubtedly the source of life. It sustains our bodies, supports diverse ecosystems, and brings peace to our souls. It is a precious resource that must be cherished and protected. Let us strive to conserve water and ensure its availability for future generations so that the source of life continues to thrive.

Water Source of Life Essay in 350 Words

Water is the source of all life on Earth. It is a vital element that sustains every living creature, from microorganisms to plants, animals, and humans. With approximately 70% of the Earth’s surface covered by water, it plays a crucial role in maintaining the delicate balance of our planet’s ecosystems. In this essay, we will take a descriptive journey into the significance and beauty of water as the ultimate source of life.

Firstly, water is essential for the survival of all living organisms. Its presence is directly linked to the existence and prosperity of various ecosystems. From the depths of the ocean to the highest peaks of mountains, water can be found everywhere, adapting to different forms such as lakes, rivers, and glaciers. It sustains an abundance of diverse species, providing them with hydration, nourishment, and a habitat to thrive.

Furthermore, water acts as a natural purifier and regulator of Earth’s climate. It cleanses our environment by cycling through the processes of evaporation, condensation, and precipitation, ensuring the continuation of life. In addition, water significantly contributes to climate regulation by absorbing heat from the sun. This controls the Earth’s temperature, preventing extreme fluctuations and creating favorable conditions for life to flourish.

Not only is water integral to our physical well-being, but it also holds immense aesthetic value. Its tranquil and mesmerizing presence brings a sense of calm, serenity, and beauty to our surroundings. From the soothing sound of waves crashing against the shore to the picturesque views of lakes reflecting the skies, water has the power to evoke emotions and create an enchanting environment.

In conclusion, water is the ultimate source of life. Its necessity for the existence of all living organisms, its ability to regulate climate, and its aesthetic appeal collectively emphasize its incomparable value. As stewards of this precious resource, it is our responsibility to protect and preserve water to ensure the sustainability and well-being of future generations. Let us cherish and respect the water that has gifted us life.

Water Source of Life Essay in 400 Words

Water, often described as the source of life, is an essential element for the existence and sustenance of all living organisms on Earth. Its abundance and significance cannot be undermined. Our planet, covered mostly with water, showcases the magnitude of its importance. From the smallest microorganism to the largest mammal, every life form has a profound connection with water.

From the moment we come into this world, water plays an integral role in our lives. It is the fundamental component of our bodies, making up approximately 60% of our weight. It serves vital functions such as regulating body temperature, aiding in digestion, and carrying nutrients to our cells. Without water, our bodies would fail to function properly, leading to dehydration and ultimately death.

Furthermore, water serves as a habitat for numerous species, creating an ecological balance that sustains life on Earth. The oceans, for instance, are home to an abundance of marine life, including millions of unique species, some of which remain undiscovered. Not only does water provide shelter and a source of food for these creatures, but it also plays a critical role in maintaining their lives through various natural cycles.

Moreover, water is essential to the growth and survival of vegetation and agriculture. Through the process of photosynthesis, water enables plants to convert sunlight into energy, facilitating their growth. It acts as a transport system, delivering nutrients and minerals from the soil to the plant’s cells. Without water, lush green landscapes, vibrant flowers, and bountiful harvests would be a distant dream.

Water also possesses healing properties. Its therapeutic effects are evident in various forms, such as hydrotherapy and hot springs. Water has been used for centuries to alleviate physical ailments, calm the mind, and promote a sense of relaxation. It is no wonder that many cultures believe in the sanctity and cleansing power of water in religious and spiritual practices.

In conclusion, water truly is the source of life. It is an extraordinary substance that supports the existence of all living organisms on Earth. Its presence is not only vital for our physiological needs but also plays a critical role in maintaining the delicate balance of ecosystems and providing a nurturing environment for both flora and fauna. Undoubtedly, water’s abundance and significance make it an invaluable resource that deserves our utmost care and conservation efforts.

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Essay on Importance of Water in English for Children and Students

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Essay on Importance of Water: Water is one of the most important substances on earth. All plants and animals must have water to survive. If there was no water there would be no life on earth. Water is a major part of the earth’s surface, covering about 70%. It is important to maintain the quality of surface water, because it is a major source of drinking water for humans and animals.

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Water is a limited resource. Although it is constantly being recycled, there is a finite amount of water on earth. It is important to use water wisely and conserve this valuable resource.

Long and Short Essay on Importance of Water in English

Here are essay on Importance of Water of varying lengths to help you with the topic in your exam.

After going through these Importance of Water essay you will know a good deal about importance of water for us as well as the environment, various uses of water, different sources of water, water cycle, how to conserve water etc.

You can go with the one of your choice:

Short Essay on Importance of Water (200 words)

Water is available in abundance on Earth. It is present on the surface of Earth as well as beneath it. The water bodies present on Earth’s surface include rivers, ponds, seas and oceans. The surface water evaporates due to the excessive heat of Sun. It is circulated in the atmosphere and forms clouds that burst and reach the Earth’s surface in the form of rain. Thus, the water that evaporates gets replenished by the natural process of water cycle which occurs continuously. This helps in maintaining the eco system and makes our planet worth living.

While Earth is filled with plenty of water, fresh water is very small part of it and its amount is only decreasing by the day. It is sad but true that due to various human activities and human negligence, the water present on Earth is getting polluted. Fresh water is getting depleted as the water bodies are being polluted due to industrial as well as domestic waste.

It is high time we must understand the importance of water in our lives and the necessity to save it. There are many simple ways in which we can avoid wastage of water such as bathing with less water, watering plants with waste water from RO, cleaning the car with a wet cloth rather than pipe, etc. We must also use the method of rain water harvesting to collect rain water. This way we can contribute our bit to save water.

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Essay on Important Uses of Water (300 words)

Introduction.

Water is available in abundance on Earth. It is one of the main reasons which make life possible on our planet. Available from different sources, water is an essential requirement for all the living beings. It is used for various purposes by human beings. Here are some of the important uses of water.

Different Uses of Water

  • Drinking: Drinking water is vital for the survival of living beings. So, one of the main uses of water is drinking.
  • Cooking: Water is also used for the purpose of cooking. Many recipes such as lentils, rice, soups, etc require water. Besides, even the vegetables and fruits that do not require added water for preparation need to be washed thoroughly before eating/ cooking.
  • Cleaning: Whether it is cleaning a house, office, car, machinery or anything for that matter, it is not possible without using water. All the cleaning tasks require water.
  • Washing: Water is also required for the purpose of washing clothes, utensils and various other things.
  • Sanitation: Water is also required for the purpose of sanitation. It helps in maintaining cleanliness and hygiene.
  • Agriculture: A major share of water on Earth is used for the purpose of agriculture. It mainly used for irrigating the farms to keep the land fertile and ensure adequate supply to the crops. It also used for rearing the livestock.
  • Industries: Industries use water for various purposes. The manufacturing of many products require water. It used in the transportation, fabrication and processing of various products. Some of the industries that need good amount of water include pulp and paper and engineering industries.

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Water used for different purposes in homes and offices. It is as much essential for other living beings as it is for the humans. Therefore it is one of the main reasons we are alive. Is impossible to imagine life without water.

Essay on Importance of Water: Water Cycle (400 words)

Water is present in solid, liquid and gaseous forms on Earth. All three forms of water are essential to maintain our planet’s ecological balance. Water is in high demand as it used for various purposes. Fortunately, we have many sources of water including seas, rivers, oceans and rain. Water replenishes itself naturally and constantly by way of water cycle thereby maintaining balance in the atmosphere.

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Why is Water Cycle Important?

Water needed for the survival of the living beings. Be it plants, animals or human beings – all three require water. While plants and animals mainly require water for the purpose of drinking or as habitat, human beings use water for several purposes. Water would have long vanished from the face of Earth if the process of water cycle hasn’t existed.

The process of water cycle involves different steps. These are evaporation, transpiration, condensation, precipitation and surface run off. Water evaporates from different sources including oceans, seas and rivers due to sun’s heat. Water vapours rise into the atmosphere. Slowly these vapours cool down and condense to form clouds.

When large amount of vapours join together, the cloud becomes heavier and falls in the form of rain. This way the water falls back on the surface of Earth. It gets accumulated in rivers, lakes, oceans, layers of rocks and soil. This completes the process of water cycle. The water collected in oceans and other water bodies once again evaporates and the entire cycle reoccurs. This is an ongoing process. Water cycle also impacts the weather condition on Earth. The cycling of water in the atmosphere regulates the weather patterns.

Important Sources of Water

Sources of water have broadly divided into two categories:

  • Surface Water: This found in rivers, lakes, streams, seas, oceans and also reservoirs. The downpour from the clouds and the melting of snow from the mountains fill the rivers and the lakes. Rivers flow continually and also meet the sea. The sea water flows into the ocean. Surface water evaporates and enables the water cycle process.
  • Ground Water: Ground water is present under the Earth’s surface. Water seeps under the land via porous rocks and soil. This water gets stored under the Earth’s surface and extracted by digging wells and also constructing tube wells.

Water cycle makes sure the lost water replenished on the planet and is available in abundance for all the living beings. If this process did not occur naturally we would not have sufficient water on our planet.

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Essay on Importance of Water – An Essential Part of Our Life (500 words)

Water is an essential part of our ecological system. It is one of the main substances that make our planet fit for living. Water is essential for the growth and development of plants and animals. However we use water directly as well as indirectly for many of our needs.

Water – An Essential Part of the Human Body

Research shows that up to 60% of the human body made of water. Our lungs are around 83% water, our muscles and kidneys are 79% water, our brain and heart are 73% water, our skin contains 64% water and our bones have 31% water. Water helps in several functions of the body including blood circulation, digestion, regulating body temperature, protecting tissues and joints and also excreting waste via perspiration, defecation and urination.

Our body continually uses water to perform these functions. So, we need to provide a continuous supply of water to our body to help it function well. It is important to replenish the lost water timely.

Water – Vital for Plant Growth

Plants prepare their food by way of photosynthesis. Water forms an essential part of this process. As we water the plants, it enters their stem and moves up to their leaves. However it draws nutrients from the soil and carries them to the leaves. Photosynthesis takes place in the leaves. The water present in the leaves evaporates and exchanged for carbon dioxide.

Without proper supply of water, the plants do not get enough nutrients and photosynthesis cannot take place. As a result, the plants begin to droop and fall. Different kinds of plants require different amount of water at different times. While some plants need to watered twice a day others require water once a week while there are yet others that can go weeks without water especially during cold and moist season.

Water – Habitat for Marine Creatures

Water serves as home for the marine creatures. Wide variety of fishes, turtles, frogs, crabs and other marine creatures live in seas, oceans and rivers. These water bodies are their habitat. Most marine creatures live solely in water and cannot survive on land. They add to the biodiversity and also are an essential part of the eco system.

The increase in the level of water pollution is causing a threat to these beautiful and innocent creatures. Many species of the beautiful marine creatures have either gone extinct or endangered. Water pollution caused due to various human activities. It needs to controlled in order to provide a safe and healthy habitat for the marine creatures.

Water is vital to the survival of living beings. Even as water recycles naturally, the amount of fresh water on Earth is depleting fast. This is all because of the negligence of human beings. We use water for several purposes throughout the day. But we aren’t using it efficiently. We waste it more than we use it. This is the reason why water is decreasing at a rapid speed. It is high time we must use water wisely and limit the activities that pollute it.

Long Essay on Importance of Water (600 words)

Water is among the most essential substances on Earth. Two third of Earth covered with water; however, only a small part of it fresh water which is fit for human use. The growing pollution is polluting the fresh water too, thereby making it unfit for any kind of use. Besides, fresh water available for use often wasted during various activities. This has become a global cause of concern. It is time we should understand the importance of water and also try to save it.

Conversation of Water

In this era of growing water pollution, we need to watch out our activities. Fresh water is getting scanty mainly due to two reasons. One of these is the increasing level of water pollution caused due to industrial waste and various other human activities and the other is the continuous wastage of water by people around the world.

We must conserve water otherwise it will become difficult for us to survive on Earth in the times to come. Water is essential to maintain the ecological balance and create an atmosphere which is appropriate for us to survive. It also needed for drinking, cooking, cleaning, irrigating the fields and various other activities. We need to save water and put it to correct use.

Methods to Conserve Water

There are many ways in which we can conserve water. Several activities that we indulge in our daily lives can done differently to save water. Here is a look at these:

  • We often keep the tap on while we brush our teeth. This results in a lot of wastage of water. Turn the tap on only when you require it, else keep it off. A lot of water that goes down the drain unnecessarily will saved this way. Practice the same while washing your hands as well.
  • It is best to use bucket while bathing as a lot of water wasted while taking shower. Or you can keep a tub under the shower when you don’t require water while taking shower. This water can used for watering the plants or flushing.
  • The waste water from RO can collected in a bucket and used to water the plants or for cleaning purpose. You can also do the same with the water left after boiling potatoes, noodles and pasta. This water is hot and can very well used for cleaning oily and greasy utensils.
  • Water the plants during evening or early morning hours so that the water absorbed properly and does not get evaporated fast. This way you will require less water for watering the plants.
  • Do not make use of water to defrost food items.
  • Instead of using a pipe to wash your car, it suggested to use a bucket and wet cloth. You can also get it washed regularly from a car wash service that uses recycled water for this purpose.
  • Rainwater harvesting is a good way to store water and to put it to good use.
  • Install water efficient appliances such as low flow bathroom fixtures, sink systems, dish washers and washing machines and use them wisely to save water. For instance, make sure your washing machine and dish washer completely loaded before you turn them on.
  • Do not neglect any leakage in your kitchen, bathroom or any other part of your house. Get it fixed immediately to avoid wastage of water.
  • Using less electricity is an indirect way to save water. This is because power plants use several gallons of water.

Conservation of water must taken seriously. The government of every country should restrict activities that result in water pollution and wastage of fresh water and the citizens must provide complete support in this direction. Each one of us should realize the importance of water and take it as our responsibility to use the simple ways mentioned above to conserve water.

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Essay on Importance of Water

Students are often asked to write an essay on Importance of Water in their schools and colleges. And if you’re also looking for the same, we have created 100-word, 250-word, and 500-word essays on the topic.

Let’s take a look…

100 Words Essay on Importance of Water

Introduction.

Water is a fundamental part of life. It’s vital for all forms of life, including humans, animals, and plants.

Role in Human Health

Our bodies need water to function properly. It helps in digestion, absorption of nutrients, and elimination of waste.

Importance in Agriculture

Water is essential for agriculture. It helps in the growth of crops, which provide us with food.

Ecological Significance

Water bodies are home to many species. They maintain biodiversity and balance in nature.

In conclusion, water is indispensable. We should conserve it for our survival and future generations.

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250 Words Essay on Importance of Water

Water, the universal solvent, is one of the most essential elements to life on Earth. Constituting approximately 71% of our planet’s surface and 60% of the human body, the importance of water cannot be overstated.

Biological Significance

Water plays a critical role in biological processes. It is the medium for various enzymatic and chemical reactions, aids in the transportation of nutrients, and provides the cellular structure necessary for life. Its high heat capacity enables the regulation of body temperature, while its polarity and cohesion contribute to its role as an excellent solvent.

Ecological Importance

Ecosystems heavily rely on water. Aquatic ecosystems provide a habitat for a myriad of species, while terrestrial biomes are shaped by the availability and distribution of water. Water cycles, including evaporation, condensation, and precipitation, help in the distribution of heat around the globe, influencing climate and weather patterns.

Economic and Social Value

Water is fundamental to various industries, such as agriculture, hydroelectric power, and manufacturing. It is also vital for domestic use, including drinking, cooking, cleaning, and sanitation. Access to clean water is a significant social issue, with water scarcity affecting billions worldwide.

In conclusion, water is an indispensable resource, playing a pivotal role in biological, ecological, economic, and social aspects of life. As we face increasing water scarcity due to climate change and overuse, it is crucial to prioritize sustainable water management to ensure the survival and prosperity of all life on Earth.

500 Words Essay on Importance of Water

Water, the most abundant and essential compound on Earth, serves as the lifeblood of the planet, supporting the survival and development of all known forms of life. It is a critical resource, not just for individual survival, but also for the functioning of ecosystems, agriculture, industry, and even culture and religion.

The Role of Water in Life Processes

Water plays an indispensable role in the fundamental life processes. It acts as a solvent, making possible the transport of nutrients, hormones, and waste products within and between cells. The unique properties of water, such as its capacity to absorb significant amounts of heat without changing temperature, are vital for temperature regulation in organisms and the environment.

Water and Ecosystems

Ecosystems, whether terrestrial or aquatic, are intricately tied to water. It shapes the landscape, determines the species that inhabit an area, and influences the complex interactions within ecosystems. Wetlands, for instance, serve as biodiversity hotspots, providing habitat for a wide variety of species. They also act as natural water filters, improving water quality by trapping pollutants and sediments.

Water in Agriculture and Industry

Water is the cornerstone of agriculture, necessary for the cultivation of crops and rearing of livestock. Without a steady supply of water, food security can be significantly compromised. Industries, too, rely heavily on water for various processes, including cooling, cleaning, and as a raw material.

Socio-cultural Significance of Water

Beyond its physical and economic importance, water holds profound socio-cultural significance. Many cultures and religions attribute sacred qualities to water, using it in ceremonies and rituals. It also plays a central role in social organization, with water bodies often serving as communal gathering spots.

Water Scarcity and Conservation

Despite its abundance, water scarcity is a pressing issue in many parts of the world, exacerbated by climate change, pollution, and overuse. This scarcity not only threatens individual survival and health but also has far-reaching implications for biodiversity, food security, and social stability. Therefore, water conservation strategies, from individual actions to policy interventions, are crucial to ensure the sustainable use of this invaluable resource.

In conclusion, water is a critical resource that underpins life, supports economic activities, and holds deep cultural significance. However, the growing threat of water scarcity necessitates urgent action for its conservation. By understanding and appreciating the importance of water, we can foster a more sustainable and respectful relationship with this life-sustaining resource.

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the role of water in our life essay

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The Role of Water in the Lives of Organisms Essay

Water is essential to life itself; without water life on earth would not exist. Water is a major component of cells, typically forming between 70% and 95% of the mass of the cell. This means that we are made from approximately 80% water by mass and some soft bodied creatures such as jellyfish are made of up to 96% water. Water also provides an environment for organisms to live in, 75% of the earth is covered in water. The properties of water are essential for organisms to live in for a variety of reasons. The one that is most evident is its transparency. The fact that light can travel through it allowed marine life millions of years ago to develop a more sophisticated detection device other …show more content…

This leaves an unequal charge of distribution, known as a dipole. When water molecules are close together the positively charged hydrogen atoms are attracted to the negatively charged oxygen atoms, to form a weak hydrogen bond. The bonds are weak but a large number of the molecules put together provide a large enough force to keep the molecules together. Water is a polar molecule meaning the distribution of electrical charge creates centres of positive and negative charge. These centres are separated by a short distance and the unequal distribution causes the polarity. This polarity makes water a very good solvent. It attracts other charged particles such as ions and other polar molecules. These particles become much more reactive in solutions as they are free to move about and react with other chemicals. On the other hand, non polar molecules such as lipids are insoluble in water. When they are surrounded by water, the water molecules tend to attract each other pushing the non-polar molecules together. One role of water is that of a transport medium both inside and outside the cell. This is seen clearly in the blood as plasma is made up of over 90% water with soluble food minerals, hormones and urea dissolved in it. It is also seen in

Human Life Cycle Of Water Essay

Water is a necessity for the existence of human beings and approximately 71 % of the earth is water and it exists in many different forms. Water is constantly moving from one place to the other and from one state to the other and this process is known as the water cycle. As water evaporates, vapors rise and condense into clouds. The clouds move over the land, and precipitation falls in the form of rain, ice or snow. The water fills streams and rivers, and eventually flows back into the oceans where evaporation starts the process anew. Although water continuously changes states, from solid to liquid to gas, the amount of water on Earth remains constant. There is as much water now as there were hundreds of millions of years ago (Project, 1995).

Water Discovery Of The Water Essay

Abstract: In this lab, water was added into a test tube. Then, a pH-indicator called phenolftaleine was added to the water. The solution was mixed. Then, gasoline was added to the mixture. Gasoline is less dense than water, so the gasoline floated on top of the water. In addition, gasoline is a non-polar molecule and water is a polar molecule, which caused them not to mix. A small piece of sodium was dropped into the test tube. As soon as the sodium touched the water, it floated back up to the top, fizzing. Once at the top, it fell down and as soon as it touched the water again, it “jumped”. The more the sodium touched the water, the more the water turned pink (due to the pH indicator saying it was a basic solution). Sodium reacts with water, that’s the reason why it would jump up after touching it. The fizzing was hydrogen bubbles being released, and the bubbles had an upward force that was enough to lift up the small piece of sodium. Introduction: Clearly written introduction with a summary of the demonstration, a discussion of the materials used, and a brief summary of the chemistry behind the observations. Chemical equations are included as part of the explanations. Water was placed in a test tube. Then, a couple drops of phenolftaleine was placed in the test tube. Then, some gasoline was poured in the test tube. After having the test tube ready, a small piece of sodium is dropped into the test tube. When the sodium was dropped, the sodium bounced off the water. When the

Properties of Water Essay

Water is a polar molecule made up of on atom of hydrogen and two atoms of

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A hydrogen bond is an interaction involving a hydrogen atom and a highly electronegative atom

Water And Its Properties That Makes It A Essential For All Living Things

Water and its properties are very essential for all living things. In fact, scientists are paying close attention to presence of liquid water on other planets in efforts to find extraterrestrial life in space. Water has properties that makes it a key role to sustain life 1. As it is a universal solvent, it acts as a medium for most biochemical reactions 2. Without water, it is impossible for a living thing to function. Zooming out, water is important in daily life as many aspects depend on water. Water is used for domestic and industrial purposes. On average, people in the United States drink 110 million gallon of water everyday 3. In total, 400 billion gallon of water is used in United states everyday 4.

The Importance Of Water To Living Organisms Essay

The Importance Of Water To Living Organisms Water is normally the most abundant component of any living organism. As most human cells are approximately 80% water and 60% of the human body is made up of it, it is extremely important in many different ways to both the survival and the well being of living organisms. Evolutionists believe that life probably originated in water and even today thousands of organisms make their home in it. Water also provides the medium in which all biochemical reactions take place. The importance of water to living organisms originates from its many properties including its solvent properties, its high specific heat capacity, its high latent heat of vaporization,

The Importance Of Water In Human Life

Water is an important component to sustaining life. Water is used for many things. Along with sustaining homeostasis in living organisms, it is used for agriculture and hygiene practices. Without clean and fresh water, ecosystems and human life are threatened. Many people across the globe are either fighting for clean water or are using it in their everyday life. This lack of equal obtainment of water, is the number one thing effecting the world.

Why Do Biological Systems Need Water?

Biological systems need water because it provides many functions. Water is a unique molecule that is known to mankind and it is also important to the biological systems. Water exists in three states of matter including solid, liquid, and gas. The solid phase of water is known as ice. Water is mainly a liquid at room temperature. Water at room temperature supplies an environment for organisms to live in as well as providing a liquid environment inside cells in order for them to live. The gaseous phase of water is known as water vapor. Water is made up of 2 basic components called Oxygen and Hydrogen. Water is known to be a polar covalent molecule and is the main indication of transportation of substance between cells and tissues. Water acts as a solvent for chemical reactions which helps transport dissolved compounds into and out of cells. Since water is ionized, it can be used for many functions such as transportation in the body, nutrients, sugar, and salt can be transported throughout the body through the bloodstream. Molecules such as glycogen are not soluble and cannot be transported therefore will used for storage. Water can also act as a base and an acid.

The reason water is important to our bodies is because our bodies need water to function our organ systems do not function properly without the proper water intake. Water helps our kidneys to flush out waste and bacteria which can pose a threat to our bodies.

Water Experiment Essay

It is no secret that criminals are always in search of means to effectively destroy any evidence that may implicate them in a crime, particular involving friction ridge skin as it is often speculated to be the most damning form of of evidence that exists. This is due to the undeniable uniqueness of fingerprints that remain unchanged throughout a person’s lifetime (Holder, Robinson & Laub, 2011). Over time efforts to destroy friction ridge skin evidence have included methods of water to wash away the latent print evidence, not a shocking concept once we think about how vast bodies of water occupy over 70% of the earth’s surface (Williams, 2014). Therefore, as a means to examine the effects of water submersion on latent fingerprints, an experiment was conducted to identify the impact four variants of water solutions have on latent fingerprints.

The Importance of Drinking Water Essay

How many of you, when you go to a restaurant and the waiter/waitress asks you what you want to drink ask for water?

Atomic Structure: A Positively Charged Electron

In biology, hydrogen bonds are very weak, like in DNA, but from a chemical stand point, they are strong. Conversely, many hydrogen bonds can be very strong. Hydrogen bonds are only created with a hydrogen attached to a nitrogen, oxygen, and/or fluorine atom.

Importance of Water to Humans Thesis statement: Fresh and clean water is vital to the very

Thesis statement: Fresh and clean water is vital to the very existence of the human race.

Water Budget For Berkeley, California And Terre Haute, Indiana

This paper discovers the water budget for Berkeley, California in comparison to Terre Haute, Indiana. The two cities precipitation differs throughout the twelve month calendar year where many of the heavy precipitation months are totally opposite. Berkeley California’s winters, where the majority of rain occurs and Terre Haute, Indiana where the rainfall is observed as consistently disseminated throughout the year evenly. This paper will also magnify geographic position, climate and elevation in contrast of the two cities that reflects the water budget outlined in Project 1: Water Balance defined in

The Power of Water Essay

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There is a balloon the shape and size of a beach ball. A string keeps it tethered to the ground. Someone in a white lab coat stands about eight feet away with a rod about as

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the role of water in our life essay

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The Importance Of The Water Cycle

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Meeting basic needs of all living organisms, preserving water quality and ecosystem health.

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