Sophie's Earth

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