Across
- 3. The whole system of space including planets, stars, and galaxies
- 5. A period of the year with specific weather patterns
- 7. The planet we live on
- 11. The movement of a planet around the Sun
- 12. An imaginary line that a planet spins around
- 13. A large object that orbits a star like Earth or Mars
Down
- 1. The star at the centre of our Solar System
- 2. When ocean water rises up
- 4. The spinning of Earth or another object on its axis
- 6. A natural object that orbits Earth
- 8. The study of space and everything in it
- 9. The path an object takes around another object in space
- 10. A force that pulls objects towards each other
- 14. When ocean water goes down
- 15. The rise and fall of ocean water