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Cards In This Set
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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 and causes the rock to widen
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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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Differentail weathering
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Softer, less weatheriing resistant rocks wear away and leave harder more wathered rocks behind
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Climate
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Average weathr condititons in an area over a long peroid of time
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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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