Across
- 3. some of the harmful radiation from the sun.
- 4. trapping of heat near a planet's surface by certain gases in the planet's atmosphere.
- 5. period of scarce rainfall.
- 6. particles or liquid droplets in the atmosphere.
- 9. of Earth's rotation on the direction of winds and currents.
- 11. transfer of heat by the movement of a fluid.
- 12. calm areas where warm air rises. They occur at the equator where the sun heats the surface strongly.
- 14. fire that spreads quickly over a natural area.
- 15. parts of Earth that include the crust, mantle, and core.
- 17. and land breezes over a large region that change direction with the seasons.
- 18. of Earth's atmosphere at a particular time and place.
- 19. is the second layer of the atmosphere and contains the ozone layer.
- 20. of glacial advance.
- 21. year-after-year weather patterns in a given area.
Down
- 1. abundant gas in the atmosphere.
- 2. of Earth that consists of water
- 5. of the atmosphere in which Earth's weather occurs.
- 7. of water in a normally dry area.
- 8. layer of Earth's atmosphere.
- 10. that falls to Earth as rain, snow, hail, or sleet.
- 13. envelope of gases that surrounds the planet.
- 15. cooler regions on the surface of the sun.
- 16. second most abundent gas in the atmosphere.
- 22. dry regions with extreme temperatures.