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Cycles of Matter

Unit 2, Lesson 2

TermDefinition
Water cycle The continuous movement of water between the earth's surface and the air, changing from liquid into gas into liquid
evaporation a process through which a liquid changes into a gas
condensation the process through which a gas changes into a liquid
precipitation water that falls from clouds to the ground in the form of rain, sleet, hail or snow
runnoff excess water that flows over Earth's surface from a storm or flood
nitrogen cycle the continuous circulation of nitrogen from air to soil to organisms and back to air to soil
oxygen carbon cycle the continuous of carbon dioxide and oxygen among living things
Created by: kbreaux
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