Earth's Structure

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Across
  1. 4. the plate that Japan rests on
  2. 6. A large piece of crust
  3. 8. when plates diverge and new crust is formed in the sea
  4. 12. when one plate rides up on another
  5. 13. the liquid metal layer
  6. 14. a natural fountain
  7. 15. the theory in which parts of the crust slowly move
  8. 17. the place where two plates diverge
Down
  1. 1. the place two plates slide against each other
  2. 2. the physical remains or traces of a plant or animal that lived long ago
  3. 3. A park known for geysers in the US
  4. 5. the rock that comprises most of the ocean floor
  5. 7. the thick layer under the crust
  6. 9. what the crust plus the solid upper mantle are called
  7. 10. the place where one plate goes under another
  8. 11. the hot hard center of the Earth
  9. 16. Earth's thin outermost layer