Across
- 2. A force that pulls objects to another object
- 3. There is at least 1 that orbits around most planets.
- 8. The force that keeps Planets from going into the sun.
- 9. The only planet with living things in the solar system.
- 10. The largest star visible on Earth.
Down
- 1. The first scientist to discuss gravity.
- 4. How a planet revolves around the sun.
- 5. How much an object weighs.
- 6. The amount of matter an object has.
- 7. 2nd planet in the solar system.