Zach Hassler

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Across
  1. 3. a super continent
  2. 4. the movement of the Earth's crusts
  3. 6. something used for magnetic measurement
  4. 7. lithosphere of the earth is divided into a small number of plates
  5. 10. plates that slide away from one another
  6. 11. sliding plate force
  7. 12. plates moving away from one another
  8. 13. a large elongated depression
Down
  1. 1. the study of the magetic record of the ocean floor
  2. 2. the sideways and downward movement of a plate
  3. 4. the destructive plate boundary
  4. 5. a common technique of radiometric dating
  5. 6. change in direction of the earth's magnetic field
  6. 8. the process that occurs at mid-ocean where new ocean floor is created
  7. 9. the portion of motion of a tectonic plate