Across
- 2. A collection of small water droplets or ice crystals suspended in the air
- 4. The boundary between air masses of different densities and usually different temperatures
- 6. Sound caused by the rapid expansion of air along an electrical strike
- 9. Any form of water that falls to the Earth's surface from the clouds
- 10. A gradual increase in average global temperature
- 14. A measure of the force with which air molecules push on a surface
- 15. The movement of air caused by differences in air pressure
Down
- 1. The amount of water vapor in the air
- 3. streams A narrow belt of strong winds that blow in the upper troposhere
- 5. The transfer of energy as heat through a materal
- 7. Instrument used to measure wind speed
- 8. Mixture of gases that surround's Earth
- 11. Instrument that measures atmospheric pressure
- 12. The short term state of the atmosphere
- 13. The transfer of energy as electromagnetic waves
