Across
- 3. ____ boundaries form where 2 plates collide
- 5. is one of the 2 continents the initially broke apart from Pangaea
- 6. Tectonic plates fit together like the pieces of a ____ puzzle
- 8. This is a single large ocean
- 9. ____ ____ explains large scale movements of the Earth
- 13. At ____ boundaries plates separate
- 14. Continents joined in a single large landmass
- 15. Tectonic plates covers the surface of the ____
- 16. This evidence supports the hypothesis of Continental drift
Down
- 1. Movement of material due to differences in density is called ____
- 2. ____ ____ ____ led to the theory plate tectonics
- 3. Mid Ocean Ridges form a long cracks in the crust
- 4. This explains the age and magnetic patterns of sea floor rocks
- 7. Tectonic plates very in ____
- 10. The most dramatic ____ in the Earth's crust occur along plate boundries
- 11. The Continental Crust is the ____ part of South America
- 12. Two plates move past each other horizontally is called ____ boundary