River Erosion and Deposition Quiz

When a river transports material by rolling rocks and stones along the river bed it is called

• Traction

• Saltation

• Suspension

• Attrition

When a river erodes the bed and banks with the erosive force of the water only it is called?

• Hydraulic Action

• Attrition

• Solution

• Corrosion

When rocks and pebbles being carried by the river knock together and are broken down to form smaller particles, this is called:

• Attrition

• Corrosion

• Freeze-thaw weathering

What is the start of a river called?

• Source

• Mouth

• Tributary

• Confluence

When rocks that are carried by the river scrape away the bed and banks it is called:

• Abrasion

• Attrition

• Solution

Which of the following statements about deposition is NOT correct?

• Deposition is more common at the source of the river

• Deposition may occur when the river is shallow

• Deposition may occur when the volume of water decreases

Which process involves small pebbles and stones being bounced along the river bed?

• Saltation

• Traction

• Suspension

When a river erodes sideways it is called

• Lateral Erosion

• Vertical Erosion

• River Erosion

• Attrition

Why does deposition occur?

• A loss of energy

• Too much gravity

• Too much acid

• A loss of pressure

Which of these are characteristics of the lower course?

• widest, deepest channel

• Wider and deeper channel

• Shallow, narrow channel