Coasts Flashcards
0
Q
What is abrasion
A
Waves pick up stones and hurl them against the cliff which wears away the rock.
1
Q
What is hydraulic action
A
Waves hitting the rock forces pockets of air into cracks.Teapped air, released quickly , breaks up the rock
2
Q
What is attrition
A
Pepples carried by waves become rounder and smaller as they collide with each other
3
Q
What is a stack
A
Formed when an arch collapses
4
Q
What is a stump
A
Formed when a stack is eroded by wind and water
5
Q
What is a arch
A
Formed when two caves erode back from either side of a headland and meet in the middle
6
Q
What is a cave
A
Formed when the waves erode a weakness in the rock such as joint or a fault
