coats

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  • Created by: ELM
  • Created on: 25-03-15 19:19
what is freeze thaw weathering?
temperature changes expands and contracts joints and cracks in the rock
1 of 5
what is biological weathering
plants +roots grow into cracks in the rocks and weaken them. also animals burrow down and break up rocks and weaken the grownd.
2 of 5
what is chemical weathering?
corrosion by the sea water of rocks like chalk and limestone. also by acid rain
3 of 5
what is wetting and drying ?
soft rocks like clay expand and contract as they absorb water
4 of 5
what is hydrolic action ?
the power of waves hitting the cliff face. parts of the cliff break away air and water are forced into
5 of 5

Other cards in this set

Card 2

Front

what is biological weathering

Back

plants +roots grow into cracks in the rocks and weaken them. also animals burrow down and break up rocks and weaken the grownd.

Card 3

Front

what is chemical weathering?

Back

Preview of the front of card 3

Card 4

Front

what is wetting and drying ?

Back

Preview of the front of card 4

Card 5

Front

what is hydrolic action ?

Back

Preview of the front of card 5

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