River features
Formation of rivers
100

Typically formed by river erosion as a river cuts down into the ground it erodes the sides

What is V-shaped valley 

100

The water that forms rivers 

What is precipitation 

200

Formed as a result of differences of the hardness in the rock strata  along the course of the river 

What are waterfalls 

200

A river that joins a larger one

what is a tributary 

300

Formed at the mouth of the river where it flow into the standing body of water 

What are deltas 

300

A point where a tributary joins the main river 

What is a confluence