Flash Cards

Lesson 2 Cycles of Matter

Term Definition
evaporation the process by which molecules at the surface of a liquid absorb enough energy to change to a gas
condensation the change in state from a gas to a liquid
precipitation any form of water that falls form clouds and reaches Earth's surface as rain, snow, sleet, or hail.
nitrogen fixation the process of changing free nitrogen gas into nitrogen compounds that plants can absorb and use




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