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make wells. We also make tube wells and bore wells to draw groundwater. These

are man-made sources of water. This water may not be clean enough for drinking

and cooking. It needs to be filtered or boiled.

Well Tube well Bore well

Inland Water

Some of the water is collected within land boundaries such

as coastal areas, wetlands, lakes, canals, rivers, reservoirs and

ponds. This is called inland water.

A small area of water surrounded by land is called a pond.

An area of water larger than a pond is Pond

called a lake.

Rivers originate from high mountains

when ice in the glaciers melts. The

place where a river begins is called river

Lake source. The place where the river joins

the sea is called the mouth of the river.

A triangular deposit of sand, silt and clay River

formed at the mouth of the river is called

a delta.

A huge fertile piece of land around a

Delta large river is called a river basin.

River basin

Find It
Out
What is a rain-fed river? What is a snow-fed river?

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