Posts Tagged ‘ Water ’

What is water pollution?

Nov 11th, 2008 | By

Water is the most essential substance required by all humans, plants and animals. We cannot imagine life without water but nowadays water on earth is getting polluted which has become a topic of discussion. Polluted water can badly affect our health and also the animals living underwater because the life on earth is completely dependent
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What is water made of?

Oct 11th, 2008 | By

Everything is made up of atoms whether it is natural material or man made material like plastics, synthetic etc. it is the smallest particle in each and every substance. Many atoms combine together to form molecule. A single drop of water has billions of molecules and each molecule of water has two atoms of hydrogen
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How much water is on earth?

Aug 7th, 2008 | By

Water is the most important substance on the earth required by all the living organisms whether human beings, plants or animals. We cannot imagine life on earth without water. 72% of the earth surface is occupied by the water bodies. It approximately 336,000,000,000,000,000,000 gallons which are equal to 326 million trillion gallons of water according
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Why does water ripple?

Jul 19th, 2008 | By

When a stone is thrown in the water say pond, tank etc. you have noticed that many small waves of water are formed which moves away from the point where stone hits the water. These are known as ripples. Water in liquid state is not fixed sheet so it can easily change the shape. When
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How much water should a person drink a day?

Jul 4th, 2008 | By

Water is a very essential element to make life possible on earth. Without water we cannot imagine life. It is next to air for the survival. Our body needs water for many purposes. We can live without food for nearly two months but without water only for few days. If we will be deprived of
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