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