Across
- 4. The biggest canyon in the solar system
- 5. The outer most part of Earth
- 10. The biggest volcano in the entire solar system
- 13. The gas that mainly makes up Mars atmosphere
- 15. The area between the crust and outer core
Down
- 1. how long is a year on Mars? (Earth Days)
- 2. How long is a day on Mars? (EX: 72hrs29mins)
- 3. It is the only planet in the solar system to be sustainable for life
- 6. Known as the "Red Planet"
- 7. How many moons does mars have? (Write in word form)
- 8. What is the name for the big landforms on Earth?
- 9. What Roman God was Mars named after?
- 11. What is the gas that makes up 21% of Earth's atmosphere?
- 12. The closets Earth and Mars will get every 26 months
- 14. The inner most part of Earth
