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Definition
| The prosses that breaks down rock and other substances at Earth's serfaces. |
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| The movement of rock particals by wind, water, ice, or gravity. |
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| Mechanical Weathering (Physical) |
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Definition
| The type of weathering in which rock is pysically broken into smaller peices. |
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| The grinding away of rock by rock particals carried by water, ice, wind, or gravity. |
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| Wedges of ice in rocks widen and deepen cracks. |
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| The prosses that breaks down rock through chemical changes. |
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| It means that a material is full of tiny, connected air spaces that allow water to seep through it. |
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| The loose, weathered material on Earth's serface in which plants can grow. |
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| The solid layer of rock beneath the soil. |
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| A dark-colored substance that forms as plant and animals remains decay. |
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| Soil that is made up of equal parts of clay, sand, and silt. |
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| A layer of the soil that differs in color and texture from the layers above or below it. |
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| A crumbly, dark brown soilthat is a mixture of humus, clay, and other minerals. |
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| Usally consists of clay and other particals washed down from the topsoil, but little humus. |
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| As plants shed leaves, they form a loos layer. |
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| The organisms that break the remains of dead organisms into smaller pieces and digest them with chemicals. |
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| the thick mass of tough roots at the serfaceof the soil-kept the soil in place and held onto moisture. |
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Definition
| One that naterally replaced in a relively short time. |
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Definition
| One that naterally replaced in a relively short time. |
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| Was a area where wind erosion caused severe loss of topsoil during the 1930's. |
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| Was a area where wind erosion caused severe loss of topsoil during the 1930's. |
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| Is the management of soil to prevent its destruction. |
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Definition
| The practice of plowing fields along curves of a slope. |
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