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Environment Sec. 2-2
6TH GRADE Chapter 2- section 2 Environment Science Vocabulary
| Term | Definition |
|---|---|
| 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. |