EARTHSCIENCE PT#2

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