Term
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Definition
| the process that breaks dowm rock and other substances at Earth's surface |
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Definition
| is the movement of rock particles by wind,water,ice,or gravity |
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Term
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Definition
| the type of weathering in which rock is physically broken into smaller pieces |
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Definition
| the grinding away of rock by rock particles carried by water,ice,wind,or gravity |
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Definition
| wedges of ice in rocks widen and deepen cracks |
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Definition
| the process that breaks down rock through chemical changes |
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Definition
| a material is fully of tiny,connneted air spaces that allow water to seep through it. |
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Definition
| the loose weathered material on Earth's surface in which plants can grow |
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Definition
| the solid layer of rock beneath the Soil |
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Definition
| a dark colored substance that forms as plant and animal remains decay |
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Definition
| Soil that is made up of about 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 above or below it. |
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Definition
| a crumbly,dark brown soil that is a mixture of humus,clay,and other minerals |
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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
| the loose layer of dead leaves and stems on the surface of the soil |
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Definition
| the organisms that break the remains of dead organisms into smaller pieces and digest them with chemicals. |
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Definition
| the thick mass of tough roots at the surface of the soil kept the soil in place and held onto 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 erosion caused severe loss of topsoil during the 1930's |
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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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Term
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Definition
| disturbs the soil and its plant cover as little as possible. |
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Term
| what factors cause mechanical weathering |
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Definition
| Mechanical weathering breaks rock into pieces by freezing and thawing release of pressure,growth of plants,and actions of animals |
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Term
| Describe three causes of chemical weathering |
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Definition
| it produces rock particles that have a different mineral makeup from the rock they came from Water,oxygen,carbon dioxide,living organisms,and acid rain |
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Term
| What factors affect the rate of Weathering |
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Definition
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Term
| explain why chemical weathering occur faster in hot,wet climates than in cool,dry climates. |
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Definition
| because chemical reations occur faster in high temperatures |
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