Rocks, Minerals, Layers of the Earth

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Across
  1. 4. center of the earth
  2. 7. outside of the earth
  3. 9. Elastic wave formed in the earth
  4. 10. Dense ball of solid metal
Down
  1. 1. Surrounds inner core
  2. 2. only travel through solids
  3. 3. travel through solids and liquids
  4. 5. A substance that can’t be separated
  5. 6. right under the crust
  6. 8. Xeno-foreign