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Fresh-water chapter
| Question | Answer |
|---|---|
| habitat | An environment that provides the things that a specific organism needs to live, grow, and reproduce |
| groundwater | Water that fills the cracks and spaces in underground soil and water layers |
| water cycle | The continual movement of water among earths atmosphere, oceans, and land surfaces through evaporation, condensation, and precipitaion |
| evaporation | The process by which molecules at the surface of liquid absorb enough energy to change to a gas |
| transpirtion | The process by which water is lost through a plant's leaves |
| precipitation | Any form of water that falls from clouds and reaches Earth's surface as rain, snow, 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 watershed from another |
| reservoir | A lake that stores water for human use |
| euthophication | 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 materials; that contains connected air space, or pores, that water can seep through easily |
| impermable | A characteristic of materials, such as clay and granite, through which water does not easily pass |
| unsaturated zone | The layer of rocks and soil above the water table in which pores contain air as well as water |
| saturated zone | The area of perameble rocks or soil in which cracks and pored are completely filled with water |
| water table | The top of the saturated zone, or depth to groundwater under earths surface |
| aquifer | An underground layer of rocks and sediment that holds water |
| artesian well | A well in which water rises because of pressure within aquifer |
| wetland | A and of area that is covered with a shallow layer water during some or all of the year |