Chapter 7 Vocaburary Parker Andres

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Across
  1. 6. polarity happens when magnetic objects orient themselves to point south
  2. 9. All continents are slowly drifting away
  3. 10. When a slab sinks it also pulls on the rest of
  4. 11. Earths surface is made of rigid slabs of rock or plates, that move with respect to each other.
  5. 13. Forms where two plates slide past each other
  6. 14. is when magnetized objects orient themselves to point north
  7. 16. Rising mantle material at mid-ocean ridges creates the potential for the plate to move away
  8. 17. the circulation of material caused by differences in density and tempature
Down
  1. 1. happens when magnetic forces reverse
  2. 2. the cold and rigid outermost rock layer is called
  3. 3. forms when two plates seperate
  4. 4. The process by which new oceanic crusts forms along a mid-ocean ridge.
  5. 5. plate with a force called
  6. 7. The mountain ranges in the middle of the ocean.
  7. 8. When the denser plate sinks below the more buoyant plate
  8. 12. All continents were once part of a supercontinent
  9. 15. Form when two plates collide