Plate Tectonics

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Across
  1. 2. 2 plates sliding pass each other
  2. 4. 3rd layer of Earth doing down
  3. 10. movement of continents across Earth's surface
  4. 12. thinnest layer of Earth
  5. 13. proposed continental drift theory in 1900s
  6. 15. 2 plates moving towards each other
  7. 16. hot fluid within or below Earth's crust
  8. 17. found mostly in the core
  9. 18. occurs when denser plate is pushed under less dense plate
  10. 20. formed at divergent boundaries
  11. 22. 2nd layer of Earth doing down
Down
  1. 1. consists of the crust and upper mantle
  2. 3. process where magma rises to surface and solidify
  3. 5. deepest part of Earth's layers
  4. 6. theory of tectonics plate movement and shape changes
  5. 7. formed from movement and slips of boundaries
  6. 8. name of single landmass 245 million years ago
  7. 9. formed at continental-continental boundaries
  8. 11. formed at ocean-ocean boundaries
  9. 14. name of many volcanoes surrounding the Pacific plate
  10. 19. 2 plates going in different directions
  11. 21. formed at continental-ocean boundaries