Across
- 3. law
- 5. newton created the concept of gravity
- 6. gravity causes tides
- 7. is no air in space
- 10. is no gravity in outer space
Down
- 1. is invisible
- 2. with mass are attracted to eachother
- 4. is a vacuum
- 7. suns gravitational pull keeps our planet orbiting the sun
- 8. object has a gravitational pull
- 9. comes up must come down