Across
- 4. energy- movement of something
- 7. community of interacting organisms
- 9. the force that pulls
- 10. energy-something that can be replenished
- 11. only planet with ice
- 13. formation of most energy sources
- 14. the only planet that is known to have life
- 18. something moving around another object
- 19. Outcome of what happened
Down
- 1. anything that has mass-takes up space
- 2. Cased by gravitational pull
- 3. energy- something that cannot be renewed
- 5. animals homes
- 6. an area of water that covers soil
- 8. Transformations- energy-changes from 1-another
- 9. no definite volume or shape
- 12. mouth of a large river
- 15. has thousands of rings
- 16. consist of protons, neutrons, and electrons
- 17. earth spinning on it's axis