Vocab words

12345678910
Across
  1. 2. preserved remains
  2. 6. circulation of mantle
  3. 8. collide
  4. 9. new oceanic crust forms
  5. 10. mountain range on seafloor
Down
  1. 1. Alfred Wegner's theory
  2. 3. when one plate goes underneath another
  3. 4. slide
  4. 5. divide
  5. 7. the super continent from 250 million years ago