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10 Cards in this Set
- Front
- Back
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weathering
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The process that breaks down rock and other substances
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erosion
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The process by which bits of broken rock are carried away
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sediment
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Small particles of rock or soil, or the remains of plants and animals
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deposition
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Occurs where the agents of erosion deposit, or lay down, sediment. Deposition changes the shape of the land
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physical weathering
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The type of weathering in which rock is physcially broken into smaller pieves
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chemical weathering
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The process that breaks down rock through chemical changes
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abrasion
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The wearing away of rock by rock particles carried by water, ice, wind or gravity/ Human activities, such as mining and farming, can also cause weathering
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frost wedging
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When water seeps into cracks in rock and freezes there, the ice expnads and forces the rock apart.
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oxidation
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When oxygen combines with another chemical - such as iron combining with oxygen in the presence of water-the product is iron oxidation.
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permeable
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A material is full of tiny, connected air spaces that allow water to seep through it.
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