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Science Vocabulary 2
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| Term | Definition |
|---|---|
| Aquifer | A body of rock or sediment that stores groundwater and allows it to flow. |
| Channel | The path a stream follows. |
| Divide | Separation of watersheds from one other by an area of higher ground. |
| Gradient | A measure of of the change in elevation over a certain distance. |
| Groundwater | Water below Earths surface. |
| Permeability | A measure of how easily water can flow through an aquifer. |
| Porosity | The percentage of the rock that is composed of pore space. |
| Surface Water | Water above Earths surface. |
| Tributary | A smaller stream that feeds into a river and eventually into a river system. |
| Watershed | The area of land that is drained by a river system. |
| Water Table | The upper boundary, or surface, of groundwater. |