Techtonic plates

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Across
  1. 2. when a plate slides beneath another hense it gets subducted
  2. 4. often used when things are spreading apart.
  3. 8. melted rock that has erupted
  4. 10. the first name of the person who brought up the theory of seafloor spreading
  5. 12. A boundary where plates are pushing toward each other
  6. 14. when `plates make a shaking feeling usually from a transform boundary.
  7. 17. the thinnest layer and most outer layer on earth
  8. 18. the last name of the person who brought up the theory of seafloor spreading
  9. 19. A word that sounds like convergent and describes what the plates are doing.
  10. 20. the thickest layer in earths crust.
Down
  1. 1. when contents drift apart
  2. 3. this happens when to plates collide and push up.
  3. 4. often a word used ti describe divergent boundrys that sounds like divergent
  4. 5. This happens when magma comes up from the earth and explodes
  5. 6. either transform convergent or divergent what...
  6. 7. cracks in the crust.
  7. 9. when a bunch of volcanos are lined up
  8. 11. To plates are moving away from each other
  9. 13. Aboundry where two plates rub against each other
  10. 15. when all the contents were combined
  11. 16. lithosphere is A layer in the earth