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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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Definition
| The type of weathering in which rock is physically broken into smaller pieces.Another term is physical |
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Definition
| Refers to the grinding away of rock particles carried by water,ice,wind,or gravity. |
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Definition
| the process that splits rock when water seeps into cracks, then freezes and expands. |
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| The process that breaks down rock through chemical changes |
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| 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 surface in which plants can grow |
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Definition
| The solid layer of rock beneath the soil |
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Definition
| The decayed organic material in soil |
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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
| Crumbly,dark brown soil that is a mixture of humus,clay, and other materials |
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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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Definition
| As plants shed leaves, they form a loose layer called litter |
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Definition
| An organism that breaks 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 |
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Definition
| One that is naturally replaced in a relatively short time |
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Definition
| An area where wind and erosion caused severe loss of topsoil during the 1930s |
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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
| Distubs the soil and its plants as little as possible |
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| What factors cause mechanical weathering? |
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Definition
| Freezing and thawing, release of pressure,growth of plants,and actions of animals |
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| Describe three causes of chemical weathering. |
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Definition
| Water ,acid rain , and living organisms all affect the surfaces of rock and this process is called chemical weathering |
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Term
| What factors affect the rate of weathering? |
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Definition
| The type of rock and climate |
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