Paper 1 Q7 - Coastal Zone Flashcards
1
Q
How do Freeze Thaws occur?
A
When water goes in the cracks, freezes overnight, and expands. Eventually, thaws in the morning, repeating until the rock breaks
2
Q
When does Mass Movement occur?
A
Weathered material moving downhill under the force of gravity
3
Q
What are the causes of Mass Movement?
A
- Large amounts of Acid Rain
- Rocks loosened by Freeze Thaw
- Erosion under cliff top
4
Q
When does Slumping occur?
A
After heavy rainfall
5
Q
The energy of a wave is determined by what?
A
The strength of the wind and the wind duration
6
Q
What does Swash do?
A
Take materials to the beach
7
Q
What does Backwash do?
A
Takes materials from the beach
8
Q
If Swash is stronger than Backwash…
A
Beaches are created
9
Q
If Backwash is stronger than Swash…
A
Beaches are destroyed
10
Q
A very strong Backwash is a…
A
Destructive wave
11
Q
A strong Swash is a…
A
Constructive wave
