Across
- 3. It's the only planet that rotates on its side like a barrel
- 4. Jupiter, Saturn, Uranus and Neptune are known as Gas
- 6. The closet planet to the Sun
- 7. Known as the dwarf planet
- 9. Mercury, Venus, Earth and Mars have what type of surface
- 10. How many planets in our Solar System
Down
- 1. The centre of the Solar System
- 2. The largest planet in the Solar System
- 5. It's the hottest planet in our Solar System
- 8. What do planets do when they go around the Sun