Across
- 4. Never-ending cycle in which water circulates between Earth’s surface and the atmosphere
- 6. Returning water that enters streams or soaks into the soil
- 7. Layer above the mesosphere extremely hot
- 10. Transfer of energy that results when molecules touch
- 13. The process in which liquid changes into water vapor or gas
- 14. The amount of water vapor in the atmosphere
- 15. Layer of gases surrounding Earth that protects living things
- 16. Type of heat transfer in which energy is transferred through waves
- 17. A measure of the amount of water vapor that could be present at a specific temperature
- 18. Layer of the atmosphere above the troposphere that contains most of the ozone
- 20. When water vapor or gas cools and changes back to a liquid
Down
- 1. When water is transferred into the atmosphere from plant leaves
- 2. Snow, hail, rain and sleet falling from clouds
- 3. The transfer of hear that occurs when warm air rises and cool air sinks
- 5. Gas present in the atmosphere in small amounts needed for plants to make food
- 8. Outermost layer of the atmosphere
- 9. Rainfall not absorbed by soil
- 11. The temperature when air contains as much water vapor as it can when condensation can occur
- 12. Layer above the stratosphere the coldest layer
- 19. Layer of the atmosphere that is closest to Earth’s surface
