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Definition
| The chemical and physical proceses that breaks down rock at Earths surface. |
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| The process by which water, wind, ice, or gravity move fragments of rock and/or soil. |
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| mechanical weathering (physical) |
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Definition
| The type of weathering in which rock is broken into smaller pieces. |
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| The grinding away of rock by other rock particles carried by wind, water, ice, or gravity. |
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| The process by which water breaks rocks when it seeps into cracks, freezes, and expands. |
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| The process that breaks down rock through chemical changes. |
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| Characteristics of material such as sand or gravel that allows water to pass through easily. |
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| The loose, weathered material on Earth's surface in which plants can grow. |
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| The solid layer of rock beneath the soil |
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| Dark colored, organic material in soil. |
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| Rich fertile soil that is made up of equal parts clay, sand, and silt. |
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| A layer of soil that differs in color and texture than the soil above or below it. |
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| The mixture of humus, clay, and other minerals that make up the crumbly topmost layer of soil. |
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| The layer of soil beneath the topsoil that contains mostly clay and other minerals. |
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| the loose layer of dead plant leaves and stems on the surface of the soil. |
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| the loose layer of dead plant leaves and stems on the surface of the soil. |
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| An organism that breaks down large molecules from dead organism into smaller molecules and returns important materials to the envirement. |
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| a thick mass of grass roots and soil. |
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| A resource that that is naturally replaced in a reletively short time. |
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| The area of the Great Plains where wind erosion caused soil loss during the 1930's. |
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| The proccess of plowing fields along the curves of a slope to prevent soil loss. |
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| Soil conservation method in which the dead stalks from the previous year's crops are left in the soil to hold it in place. |
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