Chapter 7 Vocab Stephanie Fees

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Across
  1. 4. The denser plate sinks below the more buoyant plate
  2. 7. The cold and rigid outermost tock layer
  3. 8. A state in which magnetized objects would reverse direction and orient themselves to point south
  4. 11. Suggested that continents are in constant motion on the surface of Earth
  5. 12. The mountain ranges in the middle of the oceans.
  6. 14. All the continents were once part of a supercontinent
  7. 16. Form where two plates collide
Down
  1. 1. Forms where two plates slide past each other
  2. 2. Occurs and the magnetic field reverses directions
  3. 3. The circulation of material caused by differences in temperature and density
  4. 5. A state in which magnetized objects, such as compass needles, will orient themselves
  5. 6. Forms where two plates separate
  6. 9. Rising mantle material at mid-ocean ridges creates the potential for plates to move away from the ridge with a force
  7. 10. Earth's surface is made of rigid slabs of rock or plates, that move with respect to each other.
  8. 13. Process of new oceanic crust forms along a mid-ocean ridge and older oceanic crust moves away from the ridge
  9. 15. As a slab sinks, it pulls on the rest of the plate with force