As one stream flows down, other streams join it to form a .........
river.
......... and ......... form streams that flow downwards from mountains.
Rainwater / melting snow
Rivers can be wide or .......
narrow.
.............. covers the Amazon.
The Amazon Rainforest
The largest river in the world is .........
The Amazon.
Rivers also help .........
plants.
We produce electricity from ....... on rivers.
dams
Fast flowing rivers form ................
gorges and canyons
People built cities around .......
rivers.
Gorges and canyons are ...............
deep valleys.
The longest river in the world is ...........
the Nile.
When ............. grow up, they fly away from rivers.
mosquitoes
Rivers start from ...........
mountains.
........... grow on the surface of river water.
Duckweeds
We can ......... water from rivers.
drink
Rivers are one of the .............
natural resources.
......... also live in rivers.
Animals
When a river clears soil and rocks, this makes a .......
valley.
......... small rivers join the Amazon.
15.000
Rivers can be short or ......
long.
Dangerous ......... and bull sharks live in the Amazon River.
piranhas