Seismic Activity

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Across
  1. 3. rocks and minerals
  2. 8. crust made of granite(25 miles thick)
  3. 11. when two plates come together
  4. 12. the amount of techtonic plates
  5. 13. densest and hottest part
  6. 15. thin
  7. 16. mantle that flows like asphalt
  8. 17. currents heat rises, cold sinks
Down
  1. 1. when two plates move away
  2. 2. when one plate sinks under the other
  3. 4. super continent
  4. 5. core made of solid iron and nickel
  5. 6. largest layer in 3 parts
  6. 7. crust made of basalt (3-5 miles thick)
  7. 9. when two plates slide past another
  8. 10. crust + upper mantle
  9. 14. core made of liquid iron and nickel