Across
- 3. an area where two lithospheric plates collide
- 4. a device used to detect small changes in magnetic fields
- 6. an area were two tectonic plates are moving away from each other
- 8. a driving force for plate motion in the plates
- 9. a fault along a plate boundary where the plates slide past each other
Down
- 1. an old land mass made of the continents that broke apart
- 2. a giant slab of rock made of the Earth's lithosphere
- 5. the molten or semi-molten natural material from which all igneous rocks are formed
- 7. the sideways and downward movement of the edge of a plate
- 10. caused by sinking of the cold lithosphere into the asthenosphere