Across
- 4. the rocky outer part of the earth.
- 6. deepest layer inside of the earth.
- 7. soft and fluid layer responsible for driving plate tectonic motion
Down
- 1. makes up 84% of earths volume.
- 2. the thinnest layer of the earth.
- 3. very hot and very dense center of are planet.
- 5. the only layer of the earth that is liquid.