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Definition
| the procces that breaks rock and and other substances at earth's surface |
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| the movement of rock particals by wind, water, ice, or gravity |
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| mechanical (physical) weathering |
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Definition
| the type of weathering that rock is physically broken down into smaller peices |
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Definition
| refers to the grinding of rock by rock particals carried by water, ice, wind, or gravity |
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Definition
| the process that splits rock when water seeps into cracks, then freezes and expands |
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Definition
| the process that breaks down rock through chemical changes |
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Definition
| a material is full of shiny, connected air spaces that allow water to seep into it |
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Definition
| the loose, weathered substance on earths surface where plants can grow |
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Definition
| the solid layer of rock beneath the earths soil |
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Definition
| the dark substance that is formed when plants die and decay |
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Definition
| soil made up of equal parts of clay, sand, and silt |
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Definition
| a layer of soil that differs in color and texture from the layers of soil above or below it |
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Definition
| a crumbly, dark brown soil that is a mix of humus, clay, and other minerals |
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Definition
| consists of clay and other particals washed down from top soil and has very little humus |
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Definition
| when plants shed leaves, they formed a loose layer |
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Definition
| the organisms that break down the remains of plants and animals into smaller peices and digest them with chemicals |
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Definition
| the thick mass of tough roots at the surface of the soil |
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Definition
| a naturally replaced substance in a normally short time |
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Definition
| a area where wind erosion caused serve topsoil loss in the 1930s |
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Term
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Definition
| is the manegment of soil to prevent its destruction |
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Definition
| is the practice of plowing feilds along the curves of a slope |
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Term
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Definition
| it disturbes the soil and its plant cover as little as possible |
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