Across
- 5. the measure of the gravitational pull on an object
- 8. gravity acts everywhere in the universe
- 9. famous scientist
- 10. planet that orbits us
Down
- 1. the time you use in space
- 2. the planet we live on
- 3. how much space an object takes up
- 4. the force that acts between objects
- 6. force that pulls objects toward each other
- 7. our system in the universe