earth
Across
- 4. A large round object that travels around a star
- 7. The blanket of gases that surrounds a planet
- 9. What are glacier
- 10. What the building blocks of rocks?
Down
- 1. The earth's crust is made up of huge sections of rock known as
- 2. What gives us different season
- 3. What rock formed when molten magma cools
- 5. Magma that has burst out of a volcano and cooled
- 6. When lava turns to ash it forms a
- 8. The place that a few animal and plants can survive in hot