| Term | Definition |
|---|
| discharge site | a location where ground water is leaving the aquifer. |
| what are examples of a discharge site? | river, lake, well, spring |
| recharge site | an area where water is entering the aquifer |
| zone of aeration | aquifer material that contains mostly air |
| zone of saturation | aquifer material that is filled with water |
| Water table | border between the zone of aeration and saturation |
| aquifer | earth materials which allow the free movement of ground water through it |
| ground water | water found under the earth's surface |
| aquitard | earth materials which do not allow the free movement of groundwater through it |
| porosity | the volume of open space between earth materials |
| permeability | the ability of water to move through earth materials |
| what is the most important factor of a good aquifer? | permeability |
| what is the best and wost earth materials? | gravel, solid rock |
| what two ways will a contaminate move through an aquifer? | in a downhill direction, towards a discharge site |
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