Across
- 2. it is known as "Red Planet" because of its color
- 4. There are ____ planets in the solar system.
- 8. the sun, the planets, and the planets' moons
- 9. are the first type of planets
- 11. You can see some parts of the solar system only at ______.
Down
- 1. the only planet that has living things
- 3. the hottest planet and it is similar size as the Earth
- 5. a large ball of rock or gas that moves around the sun
- 6. a huge ball of hot gases
- 7. the smallest planet in our solar system
- 10. the path a planet takes as it moves around the sun