Across
- 2. protects us from UV radiation
- 5. where meteors burn up
- 6. solid going straight to a gas
- 7. where the shuttle flies
- 10. water vapor given off by trees
- 12. water that flows across land
- 13. where the ozone layer is found
- 14. where the northern lights are
Down
- 1. heat trapped and reflected back at earth
- 3. liquid turning to a gas
- 4. gas cooling and turning into liquid
- 8. the condition of the atmosphere rightnow
- 9. the average of weather over a long period
- 11. where the weather takes place