Across
- 3. boundary where the tectonic plates are sliding past each other
- 5. hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present local
- 6. Canadian Scientist who developed Theory of Plate Tectonics
Down
- 1. supercontinent containing all of Earth's land that existed about 225 million years ago.
- 2. The theory that pieces of Earth's outer crust are in constant motion.
- 4. two tectonic plates that are moving away from eachother
