Rivers at Work

Solution, abrasion and hydraulic action are all process of...

• deposition

• erosion

• evaporation

• transportation

What is the process of stones in the river knocking against each other and getting worn away called?

• abrasion

• attrition

• hydraulic action

• solution

When fast-flowing water is forced into cracks in the river bank, breaking pieces of the bank off.

• abrasion

• attrition

• hydraulic action

• suspension

Heavy material that is carried along the bottom of the river channel is called _______.

Tiny particles are carried in the river water making a __________ that makes the river look cloudy or muddy.

Material deposited by a river when it slows down is called ________.

Deposition is the main process at work in the _____ course of the river because the land is flat so the river is flowing slowly.

• upper

• middle

• lower

Erosion is the main process at work in the _____ course of the river because the land is steep so the river is flowing quickly.

• upper

• middle

• lower

Identify this river landform.

• gorge

• meander

• oxbow lake

• V-shaped valley

Identify this river landform.

• gorge

• meander

• oxbow lake

• V-shaped valley