Unit 5 Vocabulary Review

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Across
  1. 2. measure of the size of seismic waves
  2. 4. opening of a volcano
  3. 6. volcano that takes up the most area
  4. 7. point where the earthquake begins
  5. 9. process that forms the mid-ocean ridge and deep ocean trench
  6. 11. plates move apart
  7. 13. downward folds in rocks
  8. 14. layer of earth that we walk on
  9. 16. concentration of magma in the middle of a plate that can form volcanoes
  10. 18. amount of force per unit area
  11. 19. has convection currents that move the plates
  12. 21. plate move together
  13. 22. scientist who proposed the idea of continental drift
Down
  1. 1. made of ash and cinders
  2. 3. fault caused by shear stress
  3. 5. When rock and soil turn into liquid during an earthquake
  4. 8. mountains formed when rock layers come together at convergent boundaries
  5. 10. fastest type of earthquake wave
  6. 12. hanging wall moves down in relation to the footwall
  7. 14. made of lava and pyroclastic materials
  8. 15. broken up into plates that move in various ways
  9. 17. plates move parallel
  10. 18. most destructive type of earthquake wave
  11. 20. supercontinent that existed 200 million years ago