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13 Cards in this Set
- Front
- Back
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weathering |
when earth materials break down
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physical weathering
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when the size or shape of a material changes
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chemical weathering
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when the material changes composition or decomposes
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frost-wedging |
when water expands because it freezes. A freeze/thaw cycle promotes rapid weathering |
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abrasion
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the weathering down of rocks or particles as they rub or bounce against other rocks
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exfoliation
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peeling away of large sheets of loosened material at the surface of a rock
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hydrolysis
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the change in a material caused by contact with water (ex. rust)
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carbonation
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the change in a material caused by contact with carbonic acid
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erosion
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the loosening and transport of weathered material |
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deposition |
the dropping off of weathered rock |
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Agents of chemical weathering: |
Acid rain, Oxygen, Carbon |
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Agents of mechanical weathering: |
Temperature, Pressure, Wind |
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Agents of erosion: |
Wind, Water, Glaciers |
