Across
- 2. a line on a map or diagram connecting connecting two points that are related
- 3. two tectonic plates slide next to each other
- 4. a driving force of lithospheric plates, and is caused by horizontal spreading of the sea floor
- 6. lowland between a mountain range caused by fault line
- 8. this is the study of magnetic record found within rocks
- 10. instrument that measures small changes in the magnetic field
- 11. where two tectonic plates come together and collide
- 12. one continental plate sinks below another
- 13. the theory that the ocean floor is expanding
Down
- 1. Earth's magnetic poles flip sides
- 3. theory that the Earth's crust is made up of plate tectonics
- 5. where two tectonic plates move away from each other
- 7. portion of motion from a subducted tectonic plate
- 9. Wegner's hypothesis of moving continents
- 14. "supercontinent" that means "all the Earth" in Greek