Across
- 1. one tectonic plate slides beneath another
- 3. German scientist who named Pangaea
- 5. structure that cover Earth's surface
- 7. layer of Earth composed of nickel and iron
- 8. Earth's hottest layer
- 10. supercontinent
- 12. type of plate that is large pieces or slabs
Down
- 2. mountain ranges formed when the crust is crushed at this boundary
- 4. outermost layer of Earth
- 6. Continental Drift Theory explains how plates do this
- 9. study of Earth
- 11. mid-Atlantic Ridge is found in this ocean