Across
- 5. The name of device brings them to the surface of Mars.
- 7. A type of plant Marks live on for most of time .
- 9. The area where next crew will land in 4 years.
- 11. A compound in the book that cause the explosion.
- 14. A compound that almost killed Mark with high percentage over others.
- 15. The name of the crews who travel to Mars.
Down
- 1. When a suit is venting its atmosphere to keep the co2 level low.
- 2. A unit of energy that Mark`s body needs .
- 3. A compound that is a radioactive chemical element from a battery.
- 4. The type of land vehicles use on the surface.
- 6. A layer or a set of layers of gases surrounding a planet or other material body.
- 8. The force that attracts a body toward the center of the earth, or toward any other physical body having mass.
- 10. The term for plant science, plant biology or phytology, is the science of plant life which Mark study's.
- 12. The term for a martian day.
- 13. The name of the ship that brought the crew to Mars.