Unit 3 Lesson 3 -4 Review

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Across
  1. 5. Result when two continental plates converge
  2. 6. Result when two plates slide past each other
  3. 10. Device used to measure seismic waves
  4. 13. Seismic waves change _______ when they travel through materials with a different density
  5. 16. Energy that moves tectonic plates
  6. 17. Fault at a divergent boundary
  7. 19. Result when two oceanic plates converge
  8. 21. Result when two continental plates diverge
  9. 22. Boundary where plates move apart
  10. 23. Place on Earth's surface above the focus
  11. 24. Fastest seismic wave
  12. 25. Stress that pushes rock in opposite directions
  13. 27. Seismic wave that arrives second at a seismograph station
  14. 28. Place inside Earth where an earthquake originates
  15. 30. Mountains, volcanoes, and earthquakes occur at the ____ of plate boundaries
  16. 31. Number of seismograph stations needed to determine the epicenter
Down
  1. 1. On the surface where rock breaks
  2. 2. Magma rises to the surface because it is ______ dense than the rock around it
  3. 3. Boundary where plates move together
  4. 4. Stress that squeezes rock
  5. 7. Seismic waves transfer __________________________
  6. 8. Fault at a transform boundary
  7. 9. Caused when two oceanic plates diverge or oceanic/continental plate converge
  8. 11. Ring of Fire is a circle of ___________ around the Pacific Ocean
  9. 12. Stress that pulls on rock
  10. 13. Seismic wave that does the most damage
  11. 14. Caused by an underwater earthquake
  12. 15. Fault at a convergent boundary
  13. 18. Secondary waves can't travel through _________
  14. 20. Boundary where plates slide past each other
  15. 26. Thin place in the crust where volcanoes and geysers can form
  16. 29. The farther away from a hot spot an island is the ________ it is compared to islands closer to the hot spot