Maggie Hoeffliger

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Across
  1. 3. portion of motion of a tectonic plate that can be accounted for by its subduction
  2. 5. explaining the structure of the earth's crust
  3. 9. process that occurs at mid-ocean ridges
  4. 10. the study of the magnetic record in rocks
  5. 13. is a linear feature that exists between two tectonic plates that are moving away from each other
Down
  1. 1. the hypothetical landmass that existed when all continents were joined
  2. 2. a large elongated depression with steep walls
  3. 4. a major geologic discontinuity or suture markings
  4. 5. a strike-slip fault that offsets a mid-ocean ridge in opposing directions on either side of an axis of seafloor spreading
  5. 6. the gradual movement of the continents
  6. 7. a proposed mechanism for plate motion
  7. 8. changes in direction or orientation
  8. 11. an instrument used for measuring magnetic forces
  9. 12. the sideways and downward movement of the edge of a plate of the earth's crust
  10. 14. a line on a diagram or map connecting points