Across
- 2. Airplanes and Ozone layer
- 5. Aurora borealis and hottest layer
- 7. protects the earth
- 8. outside of earth where other planets are
- 9. where humans live
- 10. Satelites orbit earth layer
Down
- 1. weather and clouds layer
- 3. inside of thermosphere layer
- 4. Meteors burn up and coldest layer
- 6. 5 layers of the atmosphere