Across
- 4. large bodies in our solar system
- 5. the gases that make up our atmosphere
- 6. the air that is around the earth
- 8. gas lighter than air
- 11. force that brings objects together
- 12. moving something by pressing it
- 14. the rocky body near earth
- 15. a push or pull
Down
- 1. groups of galaxy clusters
- 2. last name newton
- 3. groups of stars and planets
- 7. grab an object and move it towards you
- 9. the planet we live in
- 10. movement
- 13. a ball of gas in a system or galaxy