Restless Earth

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Across
  1. 2. Melted rock coming up to the ocean floor
  2. 4. Crust farther away from the mid ocean ridge
  3. 12. When Earth's magnetic poles change(2 words)
  4. 13. Wegener's theory (2 words)
  5. 14. Ocean that is geting larger every year
  6. 15. Pangaea was a single ______
  7. 17. The man who proposed continental drift
Down
  1. 1. Making new ocean floor (3 words)
  2. 3. Plates sink below other plates
  3. 5. Remains of plants and animals in stone
  4. 6. Used to map the ocean floor
  5. 7. Part of Earth with convection currents
  6. 8. Plates that are moving
  7. 9. Mid ocean ridges form _________chains
  8. 10. Continent that fits next to S. America
  9. 11. The name of wegener's supercontinent
  10. 16. Crust closer to the mid ocean ridge