Plate Tectonics

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Across
  1. 2. theory where all of Earth's land was a supercontinent
  2. 8. when 2 plates _____, mountains are formed
  3. 9. causes the mantle to melt deep in the Earth
  4. 10. petrified remains of prehistoric dead organisms
  5. 13. Earth's surface cracked into large pieces
  6. 14. a sudden shaking of the ground
  7. 15. a flat dishes for food; tectonic ____
  8. 17. piece of the ____
  9. 18. movement of plates away or toward each other
  10. 19. make a change in form or appearance
  11. 20. Alfred ___, first proposed Pangaea
Down
  1. 1. a dividing line that marks a border
  2. 3. when two plates move away from each other
  3. 4. a small bowl used for water
  4. 5. land formations created by convergence
  5. 6. thickest layer of the Earth
  6. 7. mountains that erupt
  7. 11. Pacific or Atlantic
  8. 12. outermost shell of Earth
  9. 16. solid, outer part of the Earth