Sc 8: pp 186-189

12345678910111213141516
Across
  1. 5. plate tectonics helps scientists understand topics, such as ___
  2. 6. heat at the ______ causes the formation of the plumes
  3. 8. mineral resources that are common near the sea-floor
  4. 10. valuable resources
  5. 12. ______ thickens with distance from a mid-ocean ridge
  6. 13. plate tectonics helps scientists understand many Earth's processes, such as ___
  7. 14. when ______ moves away from a mid-ocean ridge, the slab becomes older & denser
  8. 16. buildings here may be constructed to withstand damage from natural disasters
Down
  1. 1. this would happen if multiple convection cells exist in the mantle beneath a single plate
  2. 2. any movement of matter that results from differences in density
  3. 3. theory of plate tectonics has had a great impact on ____
  4. 4. scientists have proposed as a cause of tectonic plate motion
  5. 7. scientists use _____ to explore the mantle
  6. 9. scientists have proposed as a cause of tectonic plate motion
  7. 11. plate tectonics helps scientists understand topics, such as ___
  8. 15. scientists have proposed as a cause of tectonic plate motion