Across
- 2. the amount of gravity exerted on an object
- 4. one factor that acts on gravity
- 7. the dust + gas that made our solar system
- 8. the force that governs the solar system
- 9. the amount of matter in an object
Down
- 1. the scientist who discovered gravity
- 3. the law that states objects in motion will stay in motion in a line
- 4. Dust and gases compressed together
- 5. what the planets orbit because of gravity
- 6. the scientist who tested gravity