Across
- 2. A nautical unit of speed
- 4. air that flows in relation to the earth's surface
- 5. transient motion or trembling of earth's crust
- 7. process of converting liquid into vapor
- 8. instrument for measuring wind speed
- 10. the interval required for the earth to complete one revolution around the sun
- 11. the upper atmosphere as seen from the earth's surface
- 12. natural electric discharge in the atmosphere
Down
- 1. frozen precipitation
- 3. the degree of hotness or coldness of a body or environment
- 4. the state of atmosphere at a specific time and place with respect to its effect on life and human activities
- 6. the scince and study of the atmosphere and atmospheric phenomena
- 9. violent tropical storm
- 11. season of the year between winter and summer