Layers of the Earth

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Across
  1. 1. being within;inside of anything
  2. 3. of or relating to the ocean
  3. 6. the degree of compactness of a substance
  4. 7. what lubricates the plate tectonics
  5. 10. hot or cold
  6. 13. mostly solid, but its more malleable regions contribute to tectonic activity
  7. 16. a state of matter that retains its shape and density when not confined
  8. 17. fused or liquefied by heat
  9. 19. the planet we live on
  10. 20. forming or belonging to a continent
Down
  1. 2. a hot, dense ball of mostly iron
  2. 4. a sheet, quantity, or thickness of material, typically one of several, covering a surface or body
  3. 5. the solid, outer part of Earth
  4. 8. gigantic pieces of the Earth's crust
  5. 9. the third layer of the Earth
  6. 11. the second layer of Earth
  7. 12. the action of a force against an opposing force
  8. 14. found between 670km and 2,890km below the surface, and is made from solid rock
  9. 15. a substance that flows freely but is of constant volume, having a consistency like that of water
  10. 18. the thin top layer of Earth