Across
- 2. creates a fault
- 4. forms from water being less dense and plates sliding underneath the more dense plate
- 7. divergent boundaries create this
- 13. cause of plate tectonics
- 15. causes trenches, faults, volcanoes
- 17. Boundary that causes Earthquakes
- 19. long narrow depressions on the seafloor that form when one plate is pushed beneath another
- 20. the rigid outer part of earth consisting of the earths crust
Down
- 1. Earths crust and upper mantle broken down into plates
- 3. plates that create trenches
- 5. Plate below ocean
- 6. upper layer of the earths Mantle
- 8. boundaries that move away from each other
- 9. how many plates are there?
- 10. fracture or zone of fractures between two blocks of rock
- 11. how many boundaries are there
- 12. Lithosphere is ______ _____ then Asthenosphere
- 14. convection currents never
- 16. Plate below continent
- 18. forms from only convergent boundaries