Weathering Flashcards
1
Q
What is the weathering?
A
The process of rocks breaking down
2
Q
What are they 3 types of weathering?
A
Chemical
Physical
Biological
3
Q
What are the two types of physical weathering?
A
Freeze thaw weathering
Onion skin weathering
4
Q
What is freeze thaw weathering?
A
When water gets into the cracks of rocks and then expands when it freezes. This expansion breaks the rock
5
Q
What is onion skin weathering?
A
The outer layer of rock being broken by the heat from the sun
6
Q
What are the causes of biological weathering?
A
Plants roots and animals
7
Q
What is the cause of chemical weathering?
A
Acid rain
8
Q
How does acid rain break rocks?
A
Corrosion
