Topic 4 Lesson 2:Plate Tectonics and Earth's Surface

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Across
  1. 4. The supercontinent that existed 200 million years ago
  2. 6. The deepest parts of the ocean formed by subduction
  3. 7. The type of rock that forms from cooled magma
  4. 9. A common geological event at transform boundaries
  5. 11. A system used to measure plate movement
  6. 12. The type of plate boundary where plates collide
Down
  1. 1. The type of crust that is denser and found under oceans
  2. 2. The theory that explains the movement of Earth's lithosphere
  3. 3. A region with frequent earthquakes and volcanic eruptions
  4. 5. A fault boundary where two plates slide past each other
  5. 8. The type of plate boundary where new crust forms
  6. 10. The process responsible for moving tectonic plates