Coye Eden's Crossword

3. an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.
7. sliding plate force is a proposed mechanism for plate motion in plate
8. the gradual movement of the continents across the earth's surface through geological time.
12. the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
13. a strike-slip fault that offsets a mid-ocean ridge in opposing directions on either side of an axis of seafloor spreading.
15. the branch of geophysics concerned with the magnetism in rocks that was induced by the earth's magnetic field at the time of their formation.

1. a singal laned mass made up of all the continets
2. Changes in direction or orientation of the magnetic field
4. the outer rigid layer of the earth (the lithosphere) is divided into a couple of dozen "plates" that move around across the earth's surface
5. is a linear feature that exists between two tectonic plates that are moving away from each other.
6. a large elongated depression with steep walls formed by the downward displacement of a block of the earth's surface between nearly parallel faults or fault systems.
9. a line on a diagram or map connecting points relating to the same time or equal times.
10. is the portion of motion of a tectonic plate that can be accounted for by its subduction
11. is a process that occurs at mid-ocean ridges, where new oceanic crust is formed
14. an instrument used for measuring magnetic forces, especially the earth's magnetism.