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Think &
Answer Everybody uses water for various purposes. How do plants and animals use water?

Water storage

Different ways are used by people in different areas to store

water. People in villages store water in earthen or clay pots and

metal containers.

People in cities use bottles, buckets and

large tanks made of plastic, aluminium

or steel to store water.
Plastic bottles Aluminium bucket Steel tank

Dams are huge and strong walls built across rivers to

block or control the flow of water.

They are used to store water, control floods and

generate hydroelectricity.

Dam

Reservoirs are artificial or man-made lakes built

behind the dams to store river water. They are used

to supply clean water regularly to people.

Reservoir

Canals are channels of water taken out from a

river or reservoir. The water in canals is used for

agricultural purposes.

Did You The Hirakud dam in Odisha is the longest dam in India. It is
Canal Know?
built on the Mahanadi River. It is 25.79 kilometres in length.
This dam is also one of the longest dams in the world.
Water Purification

When water is supplied to our houses, it collects impurities from the pipes

on its way. This water contains dust particles, microbes and other harmful

substances. Before drinking, these impurities need to be removed. It is

important to keep water clean and safe to drink.

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