Plate Tectonics puzzle

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Across
  1. 3. Hot liquid rock beneath the surface of earth
  2. 4. moving apart in different directions
  3. 8. Moving toward the same place
  4. 11. The section of the earth that is closest to the center
  5. 12. A diagram that shows what the inside of something looks like
  6. 15. True or nope: the plate material that makes up the ocean floor is older than the surface
  7. 16. Molten rock that comes from underground
  8. 17. something we observe to be similar over and over again
  9. 18. An extinct reptile that lived about 300 million years ago
  10. 20. one of the large sections of hard, solid rock
Down
  1. 1. A sudden pushing out of something, such as lava from a volcano
  2. 2. The layer of soft, solid rock underneath Earth’s plates
  3. 5. any of earth’s main continuous areas of land such as Africa, Asia, or South America
  4. 6. a hard indentation or mold of an item such as a footprint or a bone
  5. 7. The outermost layer of the earth
  6. 9. The slow pulling apart of land that is caused by plate movement
  7. 10. a long, deep indentation in the ocean floor
  8. 13. how often or fast something happens
  9. 14. a sudden shaking of Earth’s surface
  10. 19. to examine in detail for a purpose