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Mrs. W's study guide Test B Cycles in nature


is the source of ALL energy on earth.

Warm air

causes the water to evaporate.

Cold air

causes vapor to change to water.


release OXYGEN into the air during transpiration.


release CARBON DIOXIDE into the air during respiration.


falls from clouds when clouds become too heavy.


causes pollutants to get into surface water.

water cycle

water moving through environment


water changing into vapor


vapor changing into liquid


any form of water falling from clouds


collection of precipitation


plants use sunlight, water, and carbon dioxide to make food

conserve water

use water efficient toilets & washing machines

negative effect on quality of H2O

salt or oil in runoff

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