Weathering Flashcards
1
Q
Define the term weathering?
A
Weathering is the break down of rock by mechanical, physical and biological forces
2
Q
Define Physical (Mechanical) Weathering?
A
This involves the disintegration or breaking of rocks with no chemical change
3
Q
Name the three main types of physical weathering?
A
Granular Disintegration
Freeze Thaw Weathering
Thermal Expansion and Contraction
4
Q
What is erosion?
A
Wears rock away and removes the loose pieces of rock
5
Q
How does frost shattering weathering happen?
A
Water gets into a crack in the rock
As water turns to ice it expands so it forces the crack to widen
The ice melts and the rock splits
