vocab crossword

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Across
  1. 3. a supercontinent, or single landmass, about 300 million years ago.
  2. 6. Throw two cars at each other and what do you get
  3. 7. Recall that the edges of earth's plates meet at plate boundaries
  4. 8. Mass of cars means
  5. 9. the idea that the continents slowly moved over earth's surface
  6. 10. rise up the pan but it also lowers
  7. 12. help form mountains by making new layer
  8. 14. The sea floor can move ? how
  9. 15. Heat from the sun
  10. 18. super and hot to even touch
  11. 19. bringing crust back into the mantle
  12. 20. fluid is heated by what ?
Down
  1. 1. The stats have just split 2 inches
  2. 2. Move away from floor
  3. 4. What is that thing continents lay on ?
  4. 5. Plates slip past each other along a transform boundary
  5. 11. The things from the ground found from millions of years ago
  6. 13. the ocean floor plunges into what
  7. 16. The man who discovered what
  8. 17. Foot on sand