Unit 2 Vocabulary

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Across
  1. 5. a plate boundary where one more dense plate goes under the other less dense plate
  2. 6. upper layer of the Earth's mantle
  3. 7. an underwater mountain range where new crust is formed
  4. 8. the slow movement of the continents overtime
  5. 11. a plate boundary where two plates come together
  6. 12. the continents were once all joined together to form a super-continent called
  7. 13. a crack in Earth's crust between two tectonic plates
  8. 14. a plate boundary where two parallel plates slide past each other
Down
  1. 1. a feature where the Earth's crust folds on itself, happens at a convergent boundary
  2. 2. outer layer of the Earth, consists of the crust and the upper mantle
  3. 3. forms when one oceanic plate goes under the other
  4. 4. curved chain of volcanic islands over an oceanic trench
  5. 5. a process where at a mid ocean ridge the seafloor spreads apart to create new oceanic crust
  6. 9. a large valley with steep walls formed at a divergent boundary
  7. 10. a plate boundary where two plates spread apart