Across
- 4. Venus is the ______ planet from the sun.
- 5. The inner planets ____ or rotate slower than the outer planets.
- 6. Earth is the only planet that is known to have ______ water.
- 8. Mercury has little to no __________ that’s why it is not the hottest planet.
- 10. 1 ____ on Mars is 687 earth days.
- 13. The four inner planets are also known as the ___________ planets.
- 14. The last inner planet and the closest to the asteroid belt.
Down
- 1. Is the hottest planet in our solar system.
- 2. Is the closest planet to the sun.
- 3. Venus rotates in the ________ direction than most other planets, as earth does the same.
- 6. Mars is known to be the home to the _______ valley in our solar system.
- 7. One ___ on mercury is 57 Earth days.
- 9. Venus is earth’s ____ and has relatively the same size and mass.
- 11. Is the only planet known to have life.
- 12. Mars is known as the ___ planet for its rust color.
