Across
- 6. a mixture of gases that surrounds and protects the Earth
- 9. the second layer of the atmosphere
- 10. changes in temperature caused by burning fossil fuels
- 11. when harmful and unsafe materials get spread into the enviornment
- 12. The planet that we live on
- 14. the layer in the atomosphere that is closest to earth
- 15. the fifth and farthest layer in the atomosphere
Down
- 1. the second last layer of the atmosphere
- 2. a heat transfer where hot air rises and cold air falls (hotair balloon)
- 3. the heat inside of the earth
- 4. a high tempurature
- 5. a heat transfer that does not need matter
- 7. direct touch
- 8. the 3rd layer in the atomosphere
- 10. a heat transfer that happens when heat moves from one object to another object
- 13. a layer of the atmosphere that starts with o