Across
- 4. A tool used to measure wind speed.
- 5. The area where two air masses meet.
- 6. A tool used to measure air pressure.
- 8. Any form of water that falls to Earth.
- 9. Feathery clouds that form high in the atmosphere when water vapor turns to tiny crystals of ice.
- 11. flat layers of clouds that form close to Earth's surface.
- 12. A tool that shows the direction of the wind.
Down
- 1. Process of water vapor becoming liquid water as it cools.
- 2. The process of changing liquid water to water vapor.
- 3. thick, white, and puffy, like a pile of cotton
- 7. Scientists that study weather conditions.
- 10. The amount of water vapor in the air.