Coastal weathering and erosion

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Weathering
The breakdown of rocks
1 of 7
Types of weathering
Chemical , Physical and Biological
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Erosion
Wearing away of rocks along the coast
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Hydraulic action
Waves crash against rocks and compress the air in the cracks, this puts pressure on the rocks
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Abrasion
Eroded particles in the water scrape and rub against the rock, this removes small pieces
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Attrition
Waves smash aganist the rocks and pebbles into each other, they then break and become smoother
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Solution
Weak carbonic acid in seawater dissolves the rock like chalk and limestone
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Other cards in this set

Card 2

Front

Chemical , Physical and Biological

Back

Types of weathering

Card 3

Front

Wearing away of rocks along the coast

Back

Preview of the back of card 3

Card 4

Front

Waves crash against rocks and compress the air in the cracks, this puts pressure on the rocks

Back

Preview of the back of card 4

Card 5

Front

Eroded particles in the water scrape and rub against the rock, this removes small pieces

Back

Preview of the back of card 5
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