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Definition
| the process that breaks down rock and other substances at Earth's surface. |
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Definition
| the movement of rock particles by wind,water,ice, or gravity. |
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| mechanical or phsical weathering |
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Definition
| the type of weathering in which rock is physically broken into smaller pieces. |
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Definition
| refers to grinding away of rocks by rock particles carried by water,ice,wind,or gravity |
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Definition
| Wedges of ice in rock widen and deepen the cracks. |
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| material full of tiny,connected air spaces that allow water to seep through it. |
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| process that breaks down rock through chemical change. |
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| loose,weathered material on Earth's surface in a which plants can grow. |
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Definition
| soiled layer of rock beneath the soil. |
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Definition
| is a dark-colored substance that forms as a plant and animals remains decay. |
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Definition
| a layer of soil that differs in color and texture from the layers above or below it. |
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Definition
| a crumbly,dark brown soil that is a mixture of humus,clay and other materials. |
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Term
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Definition
| usually consists of clay and other particles washed down from the A horizon,but little humus. |
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Term
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Definition
| As plants shed leaves they form a loose layer. |
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Definition
| the organisms that break the remains of dead organisms into smaller pieces and digest them with chemical. |
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Definition
| the thick mass of tough roots at the surface of the soil-kept the soil in place and held on to moisture. |
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Definition
| one that is naturally replaced in a relatively short time. |
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Definition
| an area where wind earosion caused serve loss of topsoil during the 1930s. |
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Term
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Definition
| the management of soil to prevent its destruction. |
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Term
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Definition
| the practice of plowing fields along the curves of a slope. |
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Definition
| disturbs the soil and its plant cover as little as possible. |
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Term
| factors that cause mechanical weathering? |
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Definition
| by freezing and thawing, release pressure,growth of plant,and actions of animals. |
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| what factors affect the rate of weathering? |
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Definition
| the rate at which weathering occurs are type of rock and climate. |
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Term
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Definition
| soil that is make out of equal parts of silt soil and clay. |
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