Plate Tectonics Crossword

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Across
  1. 3. Mountain chains on the ocean floor
  2. 4. A boundary where plates move towards each other
  3. 8. Long narrow, valley like depression on the ocean floor
  4. 11. A form of stress where plates slip past each other
  5. 12. A theory explaining the structure of the Earth
  6. 13. A transfer of heat through waves
  7. 14. The formation of new areas on the ocean floor
  8. 15. A force acting on the plates
  9. 17. A boundary where plates slip past each other
  10. 18. Magma after it reaches the surface
Down
  1. 1. Slow movement of the continents
  2. 2. The scientist who originated Pangea
  3. 4. A transfer of heat through liquids
  4. 5. A mountain where lava erupts from it
  5. 6. Where the Earth's plates connect
  6. 7. A fracture between rocks
  7. 9. A transfer of heat through direct contact
  8. 10. A boundary where plates move away from each other
  9. 12. An ancient supercontinent for 200 million years ago
  10. 16. A hot fluid within the earth