rock cycle

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  • Created by: omaycher
  • Created on: 19-03-14 17:04
Chemical weathering
Happens when rainwater reacts with minerals in a rock.Rain water is slightly acidic because it contains dissolved gasses.
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Physical Weathering
The minerals in a rock expand if the rock gets hot and contracts if it cools.
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Onionskinweathering
If the rock is heated and cooled over and over again the forces can make cracks in the rock.
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Freeze Thaw Action
Water gets into a crack and freezes it, water expands when it turns into ice and makes crack wider.
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Biological Weathering
When rocks are broken up or worn away by plants and animals.
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Erosion
Weathered pieces of rock fall to the bottom of cliff. The bits of rock can be transported away by flowing water,wind and ice(glacier)
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Abrasion
Pieces of rock bump into each other while they are being transported and bits get knocked of them.
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Sediment
The bits of rock carried by a river are called sediment
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Other cards in this set

Card 2

Front

Physical Weathering

Back

The minerals in a rock expand if the rock gets hot and contracts if it cools.

Card 3

Front

Onionskinweathering

Back

Preview of the front of card 3

Card 4

Front

Freeze Thaw Action

Back

Preview of the front of card 4

Card 5

Front

Biological Weathering

Back

Preview of the front of card 5
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