Weathering and Erosion Flashcards
1
Q
Freeze Thaw Weathering is when what happens?
A
When water gets trapped in a joint in a rock
2
Q
What happens after the water gets stuck in this joint?
A
- Temperature then falls below freezi
- Water will then expand
3
Q
What then happens after water expands?
A
- Water will melt because the temperature rises above freezing
4
Q
What is the last part of the process of ‘Freeze Thaw Weathering’
A
- Repeated freezing and thawing will cause the rock to disintegrate
5
Q
What is ‘Limestone Solution’?
A
- When Carbon Dioxide dissolves in rain water
6
Q
What is ‘Biological Weathering’?
A
When a snail pushes soil particles away or tree roots
7
Q
What is ‘Chemical Weathering’?
A
- Where there is very weak acidity in rain water
8
Q
Define ‘Erosion’
A
- The wearing away of rock, the transportation of it elsewhere and the deposition of rock
