Across
- 8. thermal energy transfer as hot rises and cold sinks
- 9. all of the gases that surround Earth
- 10. Clouds are made of ____ water.
- 11. lowest atmospheric layer; where weather occurs
- 13. atmospheric layer where meteors burn up
- 14. where air molecules are very far apart
- 16. all of the organisms on Earth
Down
- 1. protects Earth from the sun's ultraviolet radiation
- 2. atmospheric layer that contains ozone molecules
- 3. thermal energy transfer when 2 objects touch
- 4. thermal energy transfer through invisible waves in the atmosphere/space
- 5. all of the rocks, sand, and soil on Earth
- 6. all of the ice on Earth
- 7. all of the liquid water on Earth
- 12. this must be happening for conduction to occur
- 15. atmospheric layer where satellites orbit Earth