Across
- 3. two plates collide
- 4. convergent boundaries form this
- 6. earth's core is made of these
- 8. upper mantle and crust layer
- 9. layer of molten iron and nickel
- 11. force put on object
- 13. vibrations through mantle
- 16. convection currents describe this
- 18. light colored rock in crust
- 19. sphere of solid iron and nickel
Down
- 1. layer made of rock, outermost surface
- 2. lithos in Greek means this
- 3. down heat, rise cool
- 5. inner core is in this state
- 7. soft layer of earth
- 10. fine texture rock in oceanic crust
- 12. two plates move away from each other
- 14. solid layer between crust and core
- 15. in Greek the word asthenes means this
- 17. two plates rub together