Across
- 4. This part of the core is in a liquid state
- 8. The layer of gases that surrounds the planet
- 9. A type of crust that is thicker and more rigid than oceanic crust
- 11. This part of the core is solid
- 12. The core contains iron and this material
- 14. Our planet
- 15. This is beneath the crust and has "upper" and "lower" parts
Down
- 1. The area which life exists
- 2. The solid part of the Earth
- 3. A type of crust that is composed almost exclusively of basalt
- 5. Is made up of the water on Earth
- 6. The deepest layer that extends to the center of the Earth
- 7. The continental crust is composed of this material
- 10. Earth has several of these
- 13. The external and thinnest layer of the geosphere. It is also made of rock