continental drift
Across
- 3. South America and Africa
- 8. The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations
- 10. Last name of A German scientist who proposed the theory of continental drift
- 11. A plate boundary where two plates move past each other in opposite directions
Down
- 1. A tectonic plate division of the lithosphere that includes the continental crust of South America and the oceanic crust extending to the Mid-Atlantic ridge.
- 2. two continents did Alfred Wegener think looked like they fit together like puzzle pieces?
- 4. 2nd largest continent
- 5. A trace of an ancient organism that has been preserved in rock.
- 6. A plate boundary where two plates move toward each other
- 7. A plate boundary where two plates move farther from each other
- 9. The name of the single landmass that broke apart 200 million years ago and gave rise to today's continents