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science class8
| Question | Answer |
|---|---|
| fresh water | is water that is not as salty and has little or no taste, color, or smell |
| salt water | is water that contains dissolved water crystals and other minerals |
| water cycle | is the continuous movement of water through the environment of the earth |
| Evaporation | process in which liquid changes into water vapor |
| Condensation | the process in which the water vapor becomes liquid in the atmosphere |
| Precipitation | the process in which water drops from the sky |
| divie | is a ridge or continuous line of high land from which water flows in different directions |
| drainage basin | is an area of land into which all of the water on either side of the divide flows. |
| turnover | the rising and falling of cold and warm water layers in a lake |
| iceberg | is a mass of ice that floats in the water |
| eutrophication | an increase of nutrients in a lake or pond, usually slow |
| groundwater | water held underground, gravity helps water flow into the ground, under pressure and moves slowly |
| permeable | is a substance that liquids can flow through. Spaces between particles |
| Impermeable | is a substance that liquids cannot flow through |
| water table | the top of the region that is saturated or completely filled with water |
| aquifer | is an underground layer of permeable rock or sediment that contains water. It can be high or low |
| spring | is a flow of water from the water underground at a place where the surface of the land dips below the water table |
| artesian well | is a well that does not need a pump and flows to the surface naturally because it is under pressure |