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8 Cards in this Set
- Front
- Back
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Erosion |
The break down and removal of material |
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Hydraulic action |
The sheer force of the waves smashing onto the cliffs. Air trapped in cracks is suddenly compressed, causing pieces of rock to break off. |
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Abrasion |
The mechanical scraping of eroded particles grinding over a rocky platform, making it smooth. |
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Attrition |
Rock fragments carried by the sea knock into one another making them smaller and more rounded |
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Solution |
The chemical action on rocks by seawater. E.g limestone is dissolved. |
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Weathering |
The breakdown of rocks where they are |
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Freeze-thaw weathering |
Water enters gaps in the rock, freezes and expands by 9%. Repeated action of this breaks off loose bits of rock. |
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Mass movement |
When large amounts of loose material slip down a slope |
