Across
- 2. energy travling through waves or paticles
- 4. stress or strain
- 5. sheild against uv lights
- 6. the farrthest layer
- 7. void above the atmosphere
- 12. has the ozone layer
- 15. what you breathe
- 16. mass divided by volume
- 17. space rocks
- 18. lowest layer
Down
- 1. sunny,rainy, or cloudy state
- 3. interrnational space station
- 8. a jacket of gesses that surround our planet
- 9. where meteors burn up
- 10. Auora borealis
- 11. gas we exhale
- 12. A giant star
- 13. moving air
- 14. element that makes uo 78% of earths atmosphere
- 19. gas we brethe in