Waves

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Across
  1. 3. the time taken for one complete oscillation.
  2. 5. the top of the wave
  3. 7. when a wave enters a new medium it bends because the wave changes speed.
  4. 9. of reflection the angle in which a wave strikes a surface is equal to the angle in which it reflects.
  5. 11. spaced particles
  6. 12. wave addition
  7. 13. the bottom of the wave
  8. 14. m/s
  9. 17. angel of reflection
  10. 19. all of the waves
  11. 21. bending of a wave around a barrier or through an opening.
Down
  1. 1. wave subtraction
  2. 2. 2 mediums
  3. 4. when a have strike the medium it can not pass through the wave bounces off.
  4. 6. right angle
  5. 8. height of the wave
  6. 10. the distance between 2 waves
  7. 15. frequency
  8. 16. mechanical
  9. 18. packed particles
  10. 20. wavelength