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