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12.20: The Water Cycle

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

aquifer

Underground layer of rock that stores water.

biogeochemical cycles

Process through which water or a chemical element is continuously recycled.

carbon cycle

Pathways through which carbon is recycled through the biosphere.

condensation

Process in which water vapor changes to tiny droplets of liquid water.

groundwater

Underground water reserves.

nitrogen cycle

Pathways through which nitrogen is recycled through the biosphere.

precipitation

Water that falls from clouds in the atmosphere to Earth's surface, such as rain, snow, and sleet.

runoff

Precipitation that is not absorbed by the soil and flows over the surface of the ground.

transpiration

Process in which plants give off water vapor.

water cycle

Interconnected pathways through which water is recycled through the biotic and abiotic components of the biosphere.

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Difficulty Level:
At Grade
Grades:
7 , 8
Date Created:
Nov 29, 2012
Last Modified:
Jan 05, 2017
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