6 The Dynamic Earth L4 U2 Plate Tectonics

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