science puzzle

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Across
  1. 2. black smooth igneous rock
  2. 7. a part of the earth
  3. 8. drift were pangai moved apart
  4. 9. rigid outer part of earth
  5. 10. the layer on the top of the earth
  6. 11. how dense something is
  7. 12. center of the earth
  8. 13. forces the processes of forces to build up the earth
Down
  1. 1. forces process of breaking down land and rocks
  2. 3. plates zenith the earth
  3. 4. the upper layer of the earth mantle
  4. 5. a dead animal that was covered up after the years
  5. 6. corseted grain igneous rock
  6. 7. movement caused with the fluent of tendinitis