Processes Of Erosion

Question 1

Attrition

Answer 1

Attrition is rocks and stones which knock together, wearing each other away.

Question 2

Abrasion

Answer 2

Abrasion is sand and stones in the river which scrape the bed and banks, wearing them away.

Question 3

Hydraulic action

Answer 3

Hydraulic action is the process where water in a fast flowing river is forced into cracks in the bank, over time breaking up the bank.

Question 4

Solution

Answer 4

Solution is where water dissolves soluble minerals from the bed and banks, which helps to break them up.