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Ch 1 Water
| Term | Definition |
|---|---|
| Habitat | An environment that provides the things a specific organism needs to live, grow, and reproduce. |
| Groundwater | Water that fills the cracks and spaces in underground soil and rock layers. |
| Water Cycle | The continual movement of water among Earth's atmosphere, oceans, and land surface through evaporation, condensation, and precipitation. |
| Evaporation | The process by which molecules at the surface of a liquid absorb enough energy to change to a gas. |
| Transpiration | The process by which water is lost though a plant's leaves. |
| Precipitation | Any form of water that falls from clouds and reaches Earth's surface as snow, rain, sleet, or hail. |
| Tributary | A stream or river that flows into a larger river. |
| Watershed | The land area that supplies water to a river system. |
| Divide | A ridge of land that separates one watershed from another. |
| Reservoir | A lake that stores water for human use. |
| Eutrophication | The buildup over time of nutrients in freshwater lakes and ponds that leads to an increase in the growth of algae. |
| Permeable | Characteristics of a small material that contains connected air spaces, or pores, that water can seep through easily. |
| Impermeable | A characteristic of materials, such as clay and graphite, though which water does not does not actually pass. |
| Unsaturated Zone | The layer of rocks and soil above the water table in which the pores contain air as well as water. |
| Saturated Zone | The area of permeable rock or soil in which the cracks and pores are totally filled with water. |
| Water Table | The top of the saturated zone, or depth to the groundwater under Earth's surface.. |
| Aquifer | An underground layer of rock or sediment that holds water. |
| Artesian Wall | A well in which rises because of pressure within the aquifer. |
| Wetland | A land area that is covered with a shallow layer of water during some or all of the year. |