Tectonic crossword

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Across
  1. 4. branch of geology studying earths the crust
  2. 8. A big chunk of earths crust
  3. 9. molten rocks under the crust if earth
  4. 10. drift the movement of continents
  5. 12. action of splitting apart two plates
  6. 14. layer of rock between earths crust and outer core
Down
  1. 1. border of a tectonic plate
  2. 2. spot An Area where magma rises into earths crust
  3. 3. science of earth’s structure
  4. 5. the moving of on plate under another
  5. 6. crash with violent impact
  6. 7. crake in earths crust where two plates meet
  7. 11. the scientist who made the theory of continental drift
  8. 13. idea intended to explain something