Across
- 3. how much space an object takes up
- 5. the planet in which we live in; the world
- 7. keeps moons in orbit around the planets
- 9. strength and energy
- 10. home to all the planets
Down
- 1. a force of attraction that pulls together all matter
- 2. scientist to think why objects fall
- 4. a measure of the gravitational pull on an object
- 6. force that pulls an object toward each other
- 8. capable of doing work