Across
- 3. ___ is the fourth planet from the sun
- 6. Mercury has different_____ during the night and day
- 10. Mercury is the____ planet in our solar system
- 12. Mercury is the___ planet in the solar system
- 14. Mars has the largest___in the solar system
- 15. Mars is nicknamed the “Red Planet” because it has___on it’s surface
Down
- 1. ___ is the fourth planet from the sun
- 2. Earth's surface is made up of about 70%___
- 4. inner planets are known as ____planets
- 5. ___is the second planet from the sun
- 7. ___is the only planet known to support life
- 8. inner planets have___surfaces
- 9. Mars has the biggest___in our solar system
- 11. Venus is Earths___planet
- 13. the inner planets are mostly made up of___
