Across
- 3. study of rocks
- 6. splitting due to physical properties
- 9. the largest ocean
- 10. the hidden 8th continent
- 11. type of rock that makes up oceanic crust
- 12. a very large expanse of sea
Down
- 1. the action of "scraping" the seafloor
- 2. a large land mass
- 4. a physical or social scientist; a humanist
- 5. a supercontinent
- 7. how many continents the earth has
- 8. finding evidence and gaining knowledge