Across
- 2. fuel dead or alive plants and animals
- 4. sticking to something else
- 5. place where everything lives
- 7. explosion to make everything
- 9. layers protect the earth
- 13. 3rd planet
- 14. universal solvent liquid
- 16. shocking energy that lights up
- 18. energy made w/ water
- 19. molecules making up stuff
- 20. energy made by wind
Down
- 1. A round object in space
- 3. sticking to itself
- 6. planet not in our solar system
- 8. sucks up everything
- 10. keeps everything going
- 11. last atmosphere layer
- 12. energy made by moving
- 15. makes up everything
- 17. round big shining gas