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5 Cards in this Set
- Front
- Back
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chemical weathering |
the breaking up of rocks by chemical reactions; natural acids dissolved in rainwater are important agents of chemical weathering of rocks |
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ice wedging |
a type of mechanical weathering in which water seeps into the cracks in a rock, freezes and expands and splits the rock apart |
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lichen |
a life fom which grows as crusty patches on soil, rocks, and trees; lichen forms when an alga and a fungus grow together |
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mechanical weathering |
the breaking up of rocks by physical forces; mechanical weathering occurs when water expands as it freezes in the crack of a rock, expanding the crack and breaking the rock apart |
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weathering |
the breakdown of rocks by physical or chemical processes; weathering causes the rocks on a cliff to wear away
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