Across
- 5. Heat from Sun gets trapped by the Earth and warms the planets' surface
- 8. main cause of greenhouse effect
- 10. in the troposphere, the temp. (decreases/increases) with altitude
- 11. without the atmosphere, the Earth would be very (cold/warm)
- 13. outermost layer of the atmosphere
- 14. hole opened up in ozone layer above what continent?
- 17. Small amounts of this gas can be found in the atmosphere
- 18. layer that contains the weather & clouds
- 20. Chemical formula is CH4
- 21. result of the greenhouse effect
- 23. layer where Northern Lights take place
- 24. The atmosphere never really ends, so it is __.
Down
- 1. layer that contains the ozone layer
- 2. the troposphere is the __ ____ layer.
- 3. released through the burning of fossil fuels
- 4. 2nd most abundant gas in the atmosphere
- 6. burning of these things results in dangerous chemicals being released into the atmosphere
- 7. More food and gas being released because there has been a ___ ___ (2 words) on Earth
- 9. where meteors burn up
- 12. the removal of trees
- 15. Most abundant gas in the atmosphere
- 16. Banned chemical that has 11,000 times the heat capacity of CO2 (word in abbreviated form)
- 19. Protects us from UV radiation
- 22. Causes turbulence, found in stratosphere