Across
- 3. It is covered with a cold, rocky _________ .
- 4. The name of the volcano.
- 6. A _________ on Mars lasts 669.6 days!
- 8. There are _________ famous missions that have landed on Mars.
- 9. It is the _________ smallest planet in the solar system.
Down
- 1. Occasionally, _________ are so strong it creates dust storms.
- 2. Mars is the _________ planet from the sun.
- 5. Mars is also known as the _________ planet.
- 7. It has the largest _________ in the solar system.