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7th grade study stak
| 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 earths atmosphere, oceans, and land surface through evaporation, condensation, and precipation. |
| evaporation | The process by which molecules at the surface of a liquid absorb enough energy to change into gas. |
| transpirtation | The process by which water is lost though a plants leaves |
| percipation | Any form of water that falls from clouds and reaches Earth's surface as rain, snow, sleet, or hail |
| tributary | A stream of water that flows into and large river |
| watershed | The land area that supplies water to a river |
| divide | A ridge of land that separates one watershed from another |
| reservior | A lake that stores water for human use |
| euthopphication | The buildup overtime of nutrients in freshwater lakes and ponds that leads to and increase in the growth of algae |
| permable | Characteristic of a material that contains connected air space, or pores that water can seep through |
| impermeable | A characteristic of materials such as clay and granite through which water doesn't seep through easily |
| 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 on the saturated zone or depth to the underground water under earths surface |
| aquifer | An underground layer of rock or sediment that holds water |
| artesian wall | a well in which water rises because of pressure within the aquifer |
| wetland | A land area that is covered with a shallow layer of water during some or all the time of the year |