Across
- 1. the outer planets are all less ______.
- 3. All the of planets have the ability to form _____.
- 5. Nickname for outer planets. _____ planets
- 7. which inner planet is missing? Venus, Earth, Mars, ______
- 9. all of the inner planets have no ____.
- 10. The inner planets are _______ than the outer planets.
- 11. all outer planets have many _____.
- 12. all planets have a hard _____ core.
Down
- 2. All of the planets orbit the ____.
- 4. the inner planets are _____ than the outer planets.
- 6. Which outer planet is missing? Saturn, Uranus, Neptune, ______
- 8. The inner planets are called the _________ planets.