Across
- 1. the amount of water vapor in the air
- 3. spinning around an axis
- 5. a substance that has no fixed shape
- 8. rain, sleet, hail, snow
- 10. average weather over a long period of time
- 12. liquid to a gas
- 17. imaginary pole around which Earth rotates
- 18. how closely packed atoms of matter are
- 20. winds that usually blow from a certain direction
- 21. measure of distance from the prime meridian
- 22. water changing from gas to liquid
Down
- 2. near the equator
- 4. energy of a substance that causes its matter to move
- 6. angle of Earth's axis
- 7. solar radiation comes in at a smaller _______ at higher latitudes.
- 8. top or bottom of axis
- 9. measure of distance from the equator
- 11. revolution of one body around another
- 13. layer of gas
- 14. cyclic movement of fluids caused by temperature and density
- 15. near one of the poles
- 16. 4 divisions of Earth's orbit.
- 19. average thermal energy
- 23. energy radiated by the sun