Erosion

Question 1

Name the 4 different processes of erosion

Answer 1

Hydraulic action, abrasion, attrition and solution

Question 2

Hydraulic action (1)

Answer 2

The force of water hitting the riverbed and banks

Question 3

Abrasion (2)

Answer 3

When the load (sediment) carried by the river repeatedly hits the river bed or banks breaking it up

Question 4

Attrition (3)

Answer 4

When stones and rocks carried by the river knock against each other and break into smaller pieces and become rounder as they rub together

Question 5

Solution (4)

Answer 5

When river water dissolves some types of rock eg limestone and chalk

Question 6

Define erosion

Answer 6

Its the wearing away of rocks and stones by rivers

Question 7

How many types of erosion do you get along a river

Answer 7

2 - vertical (downward ) and lateral (sideways)