What is the edge of the river basin called?

• waterside

• waterway

• watershed

• water

Name where the river starts

• source

• trubutary

• mouth

• delta

What are tributaries?

• bends in the river

• wide areas of water near the mouth

• where the river reaches the sea

• small streams or rivers that run into the main channel

Name this river feature

• ox-bow lake

• meander

• mouth

• estuary

Identify the river feature on the left of the picture

• flood plain

• estuary

• meander

• confluence

Name this river feature

• estuary

• delta

• mouth

• tributary

What is carried downstream by a river?

• boulders

• rocks

• silt

• load

What are the three processes that occur as a river flows from its source to the mouth?

• erosion, transportation and abrasion

• erosion, transportation and deposition

• erosion, transportation and attrition

• erosion, transportation and corrosion

Attrition occurs when...

• particles of load collide and knock pieces off each other

• smaller material rubs against the bed and banks of the river

• acid in the water dissolves particles of rock from the bed and banks of the river

• the sheer force of the water and air forcing itself into the soil

What happens when smaller material rubs against the bed and banks of the river?

• attrition

• corrosion

• abrasion

• hydraulic action