Across
- 4. the most outer solid portion of the planet Earth
- 7. the theory of Continental ______
- 8. the sea floor pulls apart due to continental drift
- 9. a supercontinent where all current continents fit together
- 12. the outer part of the Earth's crust
Down
- 1. the scientist who first proposed the theory that the continents drifted
- 2. paleontologists noticed these were the same on continents separated by oceans
- 3. the section of Earth below the crust
- 5. a theory that believed the hot earth cooled into cracked plates of land
- 6. one tectonic plate slides under another
- 10. the coast of South America seems to fit to the coast of this continent like a jigsaw puzzle
- 11. deposits proof that continents have drifted because this mineral is only found where there used to be tropical vegetation