Across
- 3. A fault rock which is cohesive with a poorly developed or absent
- 5. materials continuously flow out from the ridges.
- 7. Which layer of the Earth has convection currents.
- 9. Is formed at the base of the continental rise about 4000 to 6000 meters
- 10. Is when the denser plate sinks, gravity pulls on the rest of the plate with a
- 12. It is a mountain or hill formed around a vent or opening in the Earth’s crust through which hot materials are expelled.
- 14. It is the submerged volcanoes.
- 16. fabric.
- 18. Kind of plate boundary occurs in sea floor spreading.
- 19. Opposite of a convergent boundary.
- 21. The shaking is caused by movements in Earth’s outermost
- 22. Flat sediment that result in the spreading of the sea floor.
- 24. Which boundary occurs when two plates move away.
Down
- 1. A transform boundary connects two diverging boundaries.
- 2. These are depressions on the ocean floor.
- 4. Slab pull forces occur at which type of plate boundary.
- 6. of rock on the surface.
- 7. Is the circulation of material caused by the differences in density.
- 8. Considered as a small earthquake in underground caverns
- 11. mines that are caused by seismic waves produced from the
- 13. Where does the ridge push occur.
- 15. Type of plate movement is in the San Andreas Fault.
- 17. Is a central valley formed at the summit of the oceanic ridges is the
- 20. Is a fracture or zone of fractures between two blocks of rock.
- 23. Rocks change their shape and volume when they are subjected to.
