Across
- 2. The giant ball of gas that gives Earth light and heat
- 4. The act of going around an object once
- 9. When a planet spins on its axis
- 10. A large object that orbits a star
Down
- 1. The forward constant motion that will continue until affected by an outside force
- 3. An object that orbits our planet
- 5. The planet we live on
- 6. The path an object follows as it moves around another object
- 7. The force that pulls objects toward each other
- 8. The sun is one of these hot balls of gas