River Erosion Quiz

Sand and stones scraping the bed and banks of the river wearing them away is:

• Transport

• Hydraulic Action

• Abrasion

• Solution

Rocks and stones knocking together to wear each other away is called:

• Hydraulic Action

• Attrition

• Solution

• Abrasion

Water being forced into cracks in the bank and over time breaks the bank up, causing it to fall is:

• Abrasion

• Plucking

• Bedload

• Hydraulic Action

Water dissolving soluble materials from the bed and banks of the river is called:

• Solution

• Disappearance

• Disintegration

• Solvents

Boulders and pebbles rolling along the river bed at times of high discharge is an example of:

• Traction

• Tractors

• Triangular motion

• Travelling

Sand sized particles being bounced along the river bed by the flow of water is called:

• Saltflow

• Saltationising

• Salivation

• Saltation

The deposited material left behind by a river is called:

• Segway

• Sediment

• Sedstone

• Sandstone

What factors below are likely to lead to increased deposition by a river? (more than one answer is correct).

• Very fast flow rate

• The river meeting the ocean (the mouth)

• Two rivers joining (a confluence)

• Rapids

Rain washing away soil from a hillside is an example of what?

• Weathering

• Erosion

• Deposition

• Compaction

Your teacher filled a box with sand. She put a fan at one end and turned the fan on. The sand was blown to the opposite side of the box and collected at that side. What processes was the teacher demonstrating?

• Weathering and erosion
• Weathering and deposition
• Erosion and deposition
• Chemical and mechanical weathering