Across
- 2. orbits earth
- 5. star
- 6. force
- 8. force
- 11. animals live
- 13. Four zones
- 14. eats another organism
- 15. Earth's ____ is bigger than the moon's ____
Down
- 1. living
- 3. animals, humans other things that are living
- 4. wildfire
- 7. made by gravity and inertia
- 9. nonliving
- 10. food chain
- 12. reduces the animal ability to live