Rivers Pop Quiz

What is the term for the area a river drains?

• source

• mouth

• tributary

• drainage basin

In the water cycle, the process of turning liquid water into water vapour, a gas, is ...

• evaporation

• condensation

• precipitation

• freezing

A permeable rock is one which

• allows water to pass through

• does not allow water to pass through

Where a stream joins a river is called a...

• confluence

• channel

• mouth

• source

A small stream joining a bigger river is called a...

• tributary

• channel

• mouth

• source

On a river's long profile, waterfalls are usually found in the ...

• upper course

• middle course

• lower course

Vertical erosion mostly happens in a river's ...

• upper course

• middle course

• lower course

A river's gradient is steepest in the...

• upper course

• middle course

• lower course

A river is usually widest in the...

• upper course

• middle course

• lower course

Rivers can bend anywhere along their course. Bends in a river are called...

• tributaries

• meanders

• ox bow lakes