Across
- 3. This planets gravity keeps the atmosphere
- 4. Affects the planets or stars gravity
- 8. One of the the most famous scientists for forces
- 10. Discovered by Isaac Newton
Down
- 1. The blank an option the more gravity it has
- 2. How much there is of something
- 5. Keeps the earth in motion
- 6. Gravity is a
- 7. The amount of gravity on an object
- 9. All the planets in the solar system orbit