Plate Tectonics

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Across
  1. 3. Type of boundary where plates slide past each other
  2. 7. Rigid outer layer of Earth including crust and upper mantle
  3. 8. Partially molten layer beneath the lithosphere
  4. 9. Type of boundary where plates collide
  5. 10. The solid, innermost layer of Earth
  6. 13. Process where oceanic plate sinks beneath another plate
  7. 14. The thickest layer of Earth, located between the core and crust
  8. 15. The supercontinent that existed millions of years ago
Down
  1. 1. Evidence of continental drift found matching across continents
  2. 2. Deep ocean valleys formed at convergent boundaries
  3. 4. Underwater mountain ranges where new crust forms
  4. 5. The German scientist who proposed continental drift
  5. 6. Type of boundary where plates move apart
  6. 11. The outermost layer of Earth where we live
  7. 12. Liquid layer surrounding Earth's inner core