Zech 3

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Across
  1. 2. crust and upper mantle
  2. 4. plates slide past each other
  3. 9. movement of heat energy through space
  4. 11. plate move together
  5. 12. hot solid rock below crust
  6. 14. long deep depressions in ocean floor
  7. 16. boundary plates spread
Down
  1. 1. movement of heat in liquid, warm rises cold sinks
  2. 3. underwater mountain system.
  3. 5. divergent boundary on land
  4. 6. movement of heat from one solid to another
  5. 7. breaks in the crust where earthquakes occur
  6. 8. liquid and solid center
  7. 10. sideways and downward movement
  8. 13. soft layer below lithosphere
  9. 15. solid outer