The earth

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Across
  1. 3. the preserved remains of plants and animals whose bodies were buried in sediments
  2. 5. metamorphic rock easily split into smooth, flat plates
  3. 6. hot fluid material below the earthcrust
  4. 8. happens when tetonic plates dont move smoothly
  5. 11. an area of volcanic activity
  6. 12. the hot centre of the earth
  7. 14. substance naturally formed in the earth
  8. 16. clear transparent mineral
  9. 17. A pale grey sedimentary rock common in NZ
  10. 19. not active volcano
  11. 20. an extended break in a rock formation
Down
  1. 1. a layer within the Earth between the crust and the core
  2. 2. these occur at "hotspots" in the crust were plates meet
  3. 4. form when hot, molten rock crystallizes and solidifies
  4. 7. a very light and porous volcanic rock
  5. 9. plates that float on the mantle
  6. 10. not having erupted in recorded history.
  7. 13. the point on the earth's surface vertically above the focus of an earthquake.
  8. 15. the solid outer layer of the earth
  9. 18. hot, liquid rock