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areas. Rainwater fills rivers, ponds and Hand Pumps, Wells and Tube Wells
lakes. Some of the rainwater evaporates You have read that rainwater also sinks
and some of it seeps into the ground. into the ground. To get this underground
Rivers water, we use hand pumps , wells and tube
wells.
We have many rivers in our country. Most
of them originate from the Himalayas.
which get heavy rainfall. These rivers are
also get fed in summer when the snow
melts.
A hand pump
Canals
Canals are built to carry riverwater to
distant places. Canals are used mainly for
irrigation.
A river
Ponds and Lakes
Rainwater also collects in ponds and
lakes. Ponds and lakes are the main
sources of water for villagers.
A canal
Dams
Dams are built across big rivers to store and
conserve water. The water stored in dams is
used to produce electricity. This type of
A lake electricity is called Hydroelectricity .
The oceans hold about 97 per cent of the
world’s water.
Man-made Sources
We also get water from man-made
sources to fulfill our various needs.
A dam
58 SST-4

