Across
- 4. The upper layer of the earth's mantle, below the lithosphere.
- 5. The rigid outer part of the earth, consisting of the crust and upper mantle.
- 9. a layer of silicate rock between the crust and the outer core.
- 10. To grow, or develop opposite ways.
- 11. Earth's lightest, most buoyant rock layer
- 12. Energy building up.
- 14. A fluid layer about 2,400 km thick.
Down
- 1. Can deform but not lose toughness.
- 2. Coming together.
- 3. To be fragile.
- 6. Squeezing together.
- 7. A long narrow ditch.
- 8. the innermost geologic layer of the planet Earth.
- 13. To break apart.
- 15. To change, or turn into