ES.7b Crossword

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Across
  1. 4. boundary where two plates move away from each other
  2. 8. theory states that the sea floor spreads at divergent boundaries and creates new sea floor
  3. 10. boundary where two plates collide and form mountains
  4. 11. the movement of Earth's crust
  5. 12. result of compression forces
Down
  1. 1. formed at sunduction zones
  2. 2. process where heat is transferred by movement of a heated fluid
  3. 3. supercontinent that is said to have been during the Mesooic era
  4. 5. proposed the Continental Drift theory
  5. 6. boundary where two plates slide past each other
  6. 7. discovered Sea-Floor Spreading
  7. 9. theory states that the continents were all once connected