Class 2 / EVS Course Book 1 / Water / Water
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Water
Introduction
All living things need water to stay alive.We need water for many purposes like drinking, bathing, washing, cleaning,cooking and putting out fire.
Plants and animals also need water. Plants need water to grow. They also need water to make their food. Animals need water for drinking and bathing. Water is also the home of many animals.
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Water
Sources of Water
The main source of water is the rain. The rainwater fills ponds, lakes, streams, waterfalls and rivers.
Some rainwater goes deep into the ground. This is called ground water. We get ground water from wells, handpumps and tubewells.
Some rainwater goes deep into the ground. This is called ground water. We get ground water from wells, handpumps and tubewells. -
Water
Drink clean WaterThe water that we see in ponds, lakes and rivers is not fit for drinking. It contains germs and small particles. We call it dirty water. Drinking dirty water can make us sick.It is made impure by the following activities :Waste products thrown into the water body.Washing of clothes and bathing of animals.To make water fit for drinking, we should boil this water for 15 minutes.Boiling kills the germs in water. We can drink this water safely after cooling it.Nowadays, reverse osmosis systems (RO) are also available. They Reverse Osmosis System. make water clean. The water that we get from our taps is also safe for drinking. Tap water is cleaned in the waterworks before supplying to our houses.
Save WaterWe now know that water is very important for all living things. So we should not waste it. We should save every drop of water. Here are a few tips that can be useful in saving water:• Do not let the tap water waste when you brush your teeth.• Turn off the tap after using it.• Do not take a long shower.• Do not wash vegetables with plenty of water.• Do not wash your vehicles with a free hand.• Store drinking water in clean containers.