Concept 2

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Across
  1. 2. Region around the Pacific Ocean with many volcanoes and earthquakes
  2. 5. Area where magma rises and forms volcanoes away from plate boundaries
  3. 8. Curved chain of volcanic islands formed above a subduction zone
  4. 9. Opening in Earth’s surface where magma, ash, and gases escape
  5. 10. Process where new oceanic crust forms as plates move apart
  6. 12. Large piece of Earth’s lithosphere that moves slowly
  7. 14. Location where two tectonic plates meet
  8. 17. Shape and features of Earth’s surface
  9. 18. Deep valley on the ocean floor formed by subduction
  10. 19. Molten rock beneath Earth’s surface
  11. 21. Boundary where two plates move toward each other
  12. 25. Process where a denser plate sinks beneath a less dense plate
  13. 26. Long depression formed where plates pull apart on land
Down
  1. 1. Boundary where two plates slide past one another
  2. 3. Underwater mountain range formed by seafloor spreading
  3. 4. Fault where rocks slide past each other horizontally
  4. 6. Break in Earth’s crust where rocks move
  5. 7. Line on a map that connects points of equal elevation
  6. 11. Boundary where two plates move away from each other
  7. 13. Fault formed by tension where rocks move apart
  8. 15. Theory that Earth’s surface is broken into moving plates
  9. 16. Molten rock that reaches Earth’s surface
  10. 20. Convergent boundary where two continental plates collide
  11. 22. Fault formed by compression where rocks are pushed together
  12. 23. Shaking of Earth caused by sudden movement along a fault
  13. 24. Group of connected mountains formed by plate movement