Rivers are one of the .............
natural resources.
We can ......... water from rivers.
drink
Rivers also help .........
plants.
We produce electricity from ....... on rivers.
dams
......... also live in rivers.
Animals
When ............. grow up, they fly away from rivers.
mosquitoes
........... grow on the surface of river water.
Duckweeds
Rivers start from ...........
mountains.
......... and ......... form streams that flow downwards from mountains.
Rainwater / melting snow
As one stream flows down, other streams join it to form a .........
river.
When a river clears soil and rocks, this makes a .......
valley.
Fast flowing rivers form ................
gorges and canyons
Gorges and canyons are ...............
deep valleys.
Rivers can be wide or .......
narrow.
Rivers can be short or ......
long.
People built cities around .......
rivers.
