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19 Cards in this Set
- Front
- Back
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Physical Weathering
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Occurs as rocks are broken down
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Chemical Weathering
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changes rock into new substances
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Oxidation
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Oxygen causes rust
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Caves
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result from underground chemical weathering
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sinkholes
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result when the roof os caves sink under the wieght
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Erosion
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the movement of soil by wind water or gravity
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Landslides
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fast movement
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Soil creep
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Slow movement
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Deposition
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soil being laid down after wind and water slow down in erosion
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Flood Plain
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low-lying area near a river where deposition occurs
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Soil
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most valuable abiotic facter
mixture of water air humus weathered rock forms in layers |
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humus
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decayed organic matter
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3 horizens
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Top soil Sub soil parent matieral
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soil profile
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picture of layers of soil
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Texture
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how soil feels
small pieces feel smaller size of particules |
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Clay
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Smallest soil particules
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Gravel
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largest soil particules
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Permeability
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Property that says water can pass through soil due to size of pores
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Soil Ph
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how basic or acidic the soil is
the soil grows best in a ph of 5-7 |
