River sources

A river’s source is it’s ___________ point.

• ending

• starting

• middle

A ____________ is the place where a river rises.

• sour

• sauce

• source

The main types of river sources are:

• rain and melted snow

• springs

• lakes and glaciers

• all of the above

When rain falls or snow melts, some of the water flows over the surface of the land and forms ______________.

• rivers

• tiny streams

• waterfall

Tiny streams join up to form __________ .

• oceans

• waterfalls

• rivers

The rivers flow downhill until they reach ____________.

• an ocean or a sea

• a waterfall

• a lake

Any material that lets liquids and gases pass through it.

• Permeable

• Impermeable

Any material that does not let

liquids and gases pass through it.

• Permeable

• Impermeable

If the layer of impermeable rock comes to the surface of the ground, the water runs out of the ground as a _________.

• lake

• waterfall

• spring

Wider V-shaped valley formed because river flows less rapidly and erodes both downwards and side wards. Some deposition also takes place.

• Upper course

• Middle course

• Lower course