Flashcard Set Preview
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| 1 |
Weathering
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the short-term state of the atmosphere including temp, humity, precipiation, wind, and visability
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mechanical weathering
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weathering is the breakdown of rock into smaller pices by physical means
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abrasion
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grinding and wearing awayof rock surfaces through the mechnical action of rock or sand particles
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frost action
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alternate freezing and thawing of soil and rock ex, ice wedging
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ice wedging
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when water steos into cracks during wam weathering and then temps drop and the water freeezes...
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root pry
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growing of root of plats causing rocks to spread apart
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chemical weathering
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process by which rocksbreak down as a result of chemical reactions
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acid precipatation
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rain sleeet snow that contains a high concentration of acid
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oxidation
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chemical reaction in which an element (iron) combines with oxygen to form rust
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| 10 |
differentail weathering
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softer, less weatheriing resistant rocks wear away and leave harder more wathered rocks behind
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| 11 |
climate
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average weathr condititons in an area over a long peroid of time
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| 12 |
soil
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a loose mixture of rock fragment orgnic material air water that can support growth of life
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parent rock
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rock formation hat is the sorce of soil
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bedrock
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the layer of rock beneath the soil
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infilltration
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abotility fr water to move through soil
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