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Environment Sec. 2-2

6TH GRADE Chapter 2- section 2 Environment Science Vocabulary

Nitrogen fixation The process of changing free nitrogen gas into a usable form.
Nodule Bumps on the roots of certain plants that house nitrogen-fixing bacteria.
Precipitation When heavy water droplets in clouds fall back to Earth.
Condensation A liquid changes to a liquid (clouds)
Evaporation Molecules of liquid water absorb energy and change to a gas state.
Water Cycle The continuous process in which water moves from Earth's surface to the atmosphere and back.
Created by: 20pennel