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Ch 11- 8th grade sci
Ch 11- 8th grade science- Erosion
Question | Answer |
---|---|
Erosion | The process by which wind, water, ice or gravity transports soil and sediment from one location to another. |
Water Cycle | The continuous movement of water from the ocean to the atmosphere to the land and back to the ocean. |
Tributary | A stream that flows into a lake or into a larger stream. |
Watershed | The area of land that is drained by a water system. |
Divide | The boundary between drainage areas that have streams that flow in opposite directions. |
Channel | The path that a stream follows. |
Load | The materials carried by a stream. |
Deposition | The process in which material is laid down. |
Delta | A fan-shaped mass of material deposited at the mouth of a stream. |
Alluvial Fan | A fan-shaped mass of material deposited by a stream when the slope of the land decreases sharply. |
Floodplain | An area along a river that forms from sediments deposited when the river overflows its banks. |
Aquifer | A body of rock or sediment that stores groundwater and allows the flow of groundwater. |
Porosity | The percentage of the total volume of a rock or sediment that consists of open spaces. |
Permeability | The ability of a rock or sediment to let fluids pass through its open spaces, or pores. |
Recharge Zone | An area in which water travels downward to become part of an aquifer. |
Artesian Spring | A spring whose water flows from a crack in the cap rock over the aquifer |