Across
- 3. pressure caused be the weight of a column of air
- 6. a layer of gases that protects Earth
- 7. the boundary where air masses meet
- 8. the movement of air parallel to the Earth
- 12. a measure of the amount of water vapor in the air
- 14. a series of events that repeat over and over
- 16. a scientist who studies and predicts weather
- 19. has a high-pressure center
- 20. the percent of water vapor in the air compared to the maximum amount of water vapor the air can hold
Down
- 1. when water vapor changes into liquid water
- 2. the distance above sea level
- 4. not moving synonym
- 5. any form of water that falls from clouds and reaches Earth's surface
- 9. the cycle of water on Earth
- 10. synonom for constant
- 11. the temperature at which condensation begins
- 13. a process in which water turns into gas
- 14. formed from a swirling center of low-pressure
- 15. a band of high-speed winds about 10km above Earth's surface
- 17. air masses are often moved by _____________ westerlies
- 18. a huge body of air that has similar conditions at any given height