Across
- 2. water that falls from clouds as rain, snow, sleet or hail
- 7. a gas turns into a liquid
- 8. a gas found in the air that is needed to stay alive
- 9. a series of events that occurs regularly
- 11. water that flows off the land into streams, rivers, lakes and the ocean
- 12. the repeated movement of water from Earth's surface to the atmosphere and back again
- 13. the changing of a liquid to a gas
Down
- 1. a gas that we breathe out when we exhale
- 3. layer of the atmosphere where weather takes place
- 4. state of matter
- 5. gas that makes up 78% of Earth's atmosphere
- 6. a scientist who studies weather
- 10. vapor water in the form of gas
- 12. daily state of the atmosphere in any given place
- 14. layer of gases that surrounds the Earth