Tectonic plates

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Across
  1. 4. Gondwana and blank were the two new continents after Pangea broke up
  2. 6. What equals time multiplied by distance
  3. 7. where do the oldest rock layers locate
  4. 10. the biggest layer of the earth
  5. 12. Name of the person who made the continental drift theory
  6. 13. How many types of plate boundary’s are there
  7. 16. The middle of the earth
  8. 17. The plate boundary In Iceland
  9. 18. The plates moved blank over time
  10. 19. one of the major plates that isn’t its own continent
Down
  1. 1. Something that is repeated
  2. 2. place where plates meet
  3. 3. Lava that is in the mantle
  4. 5. a group of working parts that create a whole
  5. 8. what is made at a divergent boundary
  6. 9. True or false the person who made the continental drift theory knew why they moved apart
  7. 10. First Person who agreed with the continental drift theory
  8. 11. The plates move because they are floating on the ocean
  9. 14. What is under the continental and oceanic crust
  10. 15. name of the giant ocean surrounding Pangea