Hawaii

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Across
  1. 2. plates pulled apart
  2. 4. layer of molten iron and nickel
  3. 5. Molten material
  4. 7. plates sliding by
  5. 9. outer most layer
Down
  1. 1. plates together
  2. 3. weak spot in the crust
  3. 6. dense metal ball in earth
  4. 8. in between crust and core