Across
- 1. a substance that eats away at other things.
- 4. the hottest planet in the solar system.
- 5. closest planet to the Sun.
- 7. Our home planet.
- 9. pleasant and favorable place to live.
- 11. poles The Earth rotates along this axis.
Down
- 2. one trip around the Sun that is equal to one year.
- 3. outermost region of the atmosphere.
- 5. The outermost rocky planet.
- 6. moving in a backward or opposite direction than others.
- 8. The tallest mountain in the universe, _______ Mons
- 10. a geological feature made from magma that adds up in the mantle. They erupt lava to shape the landscape.