Physics Wave Unit: Crossword

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Across
  1. 5. Negative displacement from equilibrium
  2. 6. Changing the direction of the wave because the wave has entered a new medium
  3. 7. The reflected pulse is inverted and changes direction
  4. 8. Unit for wavelength
  5. 9. Distance from crest to crest and trough to trough.
  6. 12. Substance the wave travels though
  7. 13. The reflection pulse only changes direction
  8. 15. Happens when waves go through an opening (aperture) or around obstacles
  9. 18. Maximum displacement from equilibrium
Down
  1. 1. Unit for frequency
  2. 2. When the energy movement is parallel to particle movement
  3. 3. They undergo circular motion
  4. 4. When the energy movement is perpendicular to the particle movement
  5. 10. Rest position of a wave
  6. 11. Positive displacement form equilibrium
  7. 14. Unit for period
  8. 16. How many cycles pass a given point in one second.
  9. 17. When an incident ray hits an object and the reflected ray bounces back in the same angle to the normal
  10. 19. How long it takes for one wavelength to pass a given point.