Across
- 2. Latin root word meaning middle
- 3. lower part of the thermosphere; contains ions
- 6. the change from a gas to a liquid
- 7. in a fluid being heated warm parts will rise and cool parts will sink
- 9. known as London-type smog; made from burning coal
- 11. rain with a lower pH level than normal rain
- 13. wispy clouds made from ice crystals high in the sky
- 15. an area of low wind (deserts here)
- 16. brings cloudiness and stormy weather
- 18. decreases as you move upwards
- 20. brings fair weather, sunny skies, and a slight breeze
Down
- 1. mixture of gases that surround a planet/moon
- 4. smog that is a mixture of ozone and other chemicals
- 5. fluffy, white clouds that look like cotton
- 8. a line on a weather map that shows an area of the same pressure
- 10. a uniform grayish cloud that covers the sky like a blanket
- 12. A frequently windless area near the equator
- 14. The effect of Earth's rotation on the direction of winds and currents
- 17. outer part of the thermosphere
- 19. movement of air caused by differences in air pressure
