Across
- 2. A humidity throughout.
- 5. A measurement of the amount of water vapor in the air.
- 7. The process of a liquid changing into a gas.
- 8. The layer of air closest to Earth’s surface.
- 10. The pattern of weather an area experiences over a long period of time.
- 11. The process of a gas changing into a liquid.
- 12. mass A large body of air that has the same temperature and humidity throughout.
- 13. winds Movements of air that result from local changes in temperature.
Down
- 1. The border where two air masses meet.
- 3. Water that falls from the air to Earth.
- 4. The blanket of air surrounding the Earth.
- 6. cycle The process in which water continuously moves from Earth’s surface into the atmosphere and back again.
- 9. winds Global winds that blow constantly from the same direction.