Across
- 3. Earth’s ________ is an average of 24 hours
- 7. Has little to no atmosphere
- 8. Mars has ___ moons
- 9. This is a common natural disaster on Mars
- 11. Earth is divided into ________ ______
- 13. Scientists believe that water was once common on this planet
- 15. This planet is known as our “home”
- 16. Mercury is the smallest planet because it tends to ______
Down
- 1. Highlands and ______ cover Venus.
- 2. Venus is the _______ Planet
- 4. The name of the biggest volcano, located on Mars
- 5. Has a very toxic atmosphere
- 6. Venus is the only planet to have ____ rain
- 10. Mercury has a __________ of 88 days
- 12. Mercury, just like our moon, is covered in _______
- 14. Earth is the only planet guaranteed to have _____