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12 Cards in this Set
- Front
- Back
Chemical Weathering
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breakdown of rock's composition caused by the effects of chemicals on them
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Climate
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the normal expected type of weather in a particular area...as observed over a long period of time
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Desertification
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the gradual transformation of an area into a desert
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horizon
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one of the three layers of soil that cover most areas of the Earth
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hummus
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organic matter in the soil that is dark and composed of decayed organisms
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ice wedging
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a type of mechanical weather in which freezing water expands from inside rocks...splitting them open
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leaching
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soild materials move from one horizon to another after being dissolved and transported by water passing through the soil layers
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mechanical weathering
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breakdown of rock where chemical state of rock is not affected
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oxidation
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chemical weathering that inovlves water and oxygen
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soil
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combination of decayed plant and animal matter, minerals, sediment and air that covers the uppermost layers of the ground
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soil profile
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a section of the soil in which the distinct layers can be observed
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weathering
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process by which rocks deteriorate or disintigrate into smaller pieces due to mechanical or chemical processes
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