Across
- 4. all the Earth's continents in one.
- 5. the gradual movement of the continents across the earth's surface through geological time.
- 6. portion of motion of a tectonic plate that can be accounted for by its subduction
- 8. the lithosphere of the earth is divided into a small number of plates
- 10. a strike-slip fault that offsets a mid-ocean ridge in opposing directions on either side of an axis of seafloor spreading.
- 11. an instrument used for measuring magnetic forces, especially the earth's magnetism.
- 12. Changes in direction or orientation of the magnetic field of the Earth that have occurred from time to time.
- 13. Mid-ocean ridges, where new oceanic crust is formed
- 14. A line on a diagram connecting points relating same time or equal times
Down
- 1. a large elongated depression with steep walls
- 2. tectonic plates or fragments of the lithosphere move toward one another and collide.
- 3. sliding plate force
- 7. a linear feature that exists between two tectonic plates that are moving away from each other.
- 9. Study of magnetic records in rocks
- 13. the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.