Plate Tectonics Pop Quiz 1

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Across
  1. 3. _______-pull force is another reason why plates move
  2. 6. This layer is made up of rocks that are deformed
  3. 7. When plates move past each other
  4. 9. Molten rocks beneath the earth's surface
  5. 11. Process where the denser plate sinks
  6. 12. The denser plate
  7. 14. A country or island that rises along the Mid-Atlantic Ridge
  8. 15. A ____________ ridge is an underwater mountain formed at divergent plate boundaries
  9. 16. When plates move away from each other
Down
  1. 1. When plates move towards each other
  2. 2. The type of force at divergent plate boundary
  3. 4. Molten rocks above the earth's surface
  4. 5. The type of force at convergent plate boundary
  5. 8. The ___________ current powers is the reason why plates move
  6. 10. This layer is made up of the crust and the uppermost mantle
  7. 13. ___________ spreading takes place at oceanic-oceanic divergent plate boundaries