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Definition
| The process that breaks down rock and other substances at Earths's surface. |
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Definition
| The movement of rock particles by wind, water, ice, or gravity. |
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Term
| Mechanical(Physical) Weathering |
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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 widening and deepening cracks. |
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Definition
| The process that breaks down rock through chemical changes. |
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| When a material is full of tiny, connected 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
| 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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Definition
| Clay and other particles washed down from the A horizon, but little humus. |
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Definition
| Loose layer formed by plants shedding leaves. |
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Definition
| The organisms that break down the remains of dead organisms into smaller pieces and digest them with chemicals. |
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Definition
| Thick mass of tough roots at the surface of the soil. |
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Definition
| Resource that is naturally replaced in a relatively short time. |
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Definition
| The management of soil to prevent its destruction. |
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Definition
| The practice of plowing fields along the curves of a slope. |
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Definition
| The area of the Great Plains where wind erosion caused soil loss during the 1930's. |
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Definition
| Plowing that 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
| Freezing, thawing, releasing pressure, growth of plants, and actions of animals. |
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