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Definition
| The chemical and physical processes that break down rock at Earth's surface |
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Definition
| The process by which water, ice, wind, or gravity moves fragments of rock and soil. |
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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 other rock particles carried in water, ice, or wind. |
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Definition
| 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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| Characteristic of materials such as sand and gravel that allow water to pass easily through them. |
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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
| Dark-colored organic material in soil. |
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| Rich, fertile 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
| Mixture of humus, clay, and other minerals that forms the crumbly, topmost layer of soil. |
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Definition
| The layer of soil beneath the topsoil that contains mostly clay and other minerals. |
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Definition
| The loose layer of dead plant leaves and stems on the surface of the soil. |
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Definition
| An organism that breaks down wastes and dead organisms. |
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Term
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Definition
| The construction of buildings, roads, dams, and other structures. |
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Term
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Definition
| The advance of desertlike conditions into areas that previously were fertile. |
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Definition
| A thick mass of grass roots and soil. |
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Definition
| The area of the Great Plains where wind erosion caused soil loss during the 1930s |
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Definition
| The management of soil to prevent its destruction. |
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Definition
| Plowing fields along the curves of a slope to prevent soil loss. |
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Definition
| Soil conservation method in which the dead stalks are left in the ground to hold the soil in place. |
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Definition
| Left unplanted with crops. |
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Term
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Definition
| The planting of different crops in a field each year. |
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Definition
| The process of restoring land to a more natural state. |
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| Waste produced in homes, businesses, and schools. |
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Definition
| Water that has passed through buried wastes in a landfill. |
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Definition
| A landfill that holds nonhazardous waste such as municipal solid waste and construction debris. |
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Definition
| The burning of solid waste. |
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Definition
| The process of reclaiming and reusing raw materials. |
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Term
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Definition
| A material that can be harmful if it is not properly disposed of. |
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