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Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Water cycle   The continuous movement of the water from the ocean to the atmosphere to the land and back to the ocean.  
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Evaporation   Takes place when water from the oceans and the earths surface changes into water vapor.  
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Condensation   Takes place when water vapor cools and changes into water droplets that form clouds in the atmosphere.  
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Precipitation   Is rain, snow, sleet, or hail that falls from clouds onto the earth’s land and oceans.  
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Transpiration    
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Runoff   Precipitation that flows over land into streams and rivers.  
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Percolation   The downward movement of water through pores and other spaces in soil due to gravity  
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Groundwater    
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  The water within the rocks below the earth’s surface.  
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Water table   The upper surface of underground water.  
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Aquifer   A body of rock or Sediment that stores groundwater and allows the flow of groundwater.  
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Porosity   The percentage of the total volume of a rock or Sediment that consists of open space.  
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Permeability   The ability of a rock or Sediment to let fluids pass through its open spaces, or pores.  
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Impermeable   A rock that stops the flow of water  
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Artesian spring   A spring whose water flows from a crack in the cap rock over the aquifer.  
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Well   A human-made hole that is deeper than the level of the water table.  
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Zone of aeration   Rainwater passes through the upper zone.  
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Zone of saturation   Farther down, the water collects in an area  
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  The process by which plants release water vapor into air.  
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