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5 Written questions

5 Matching questions

  1. destructive interference
  2. Examples of EM Waves
  3. Examples of mechanical waves
  4. Waves caused by vibrations of atoms
  5. wavelength
  1. a
    the distance from one wave crest to the very next crest. (This may also be measured from trough to trough.)
  2. b Radio, infrared (IR), light
  3. c Infrared
  4. d Sound, ocean waves, earthquakes
  5. e when waves cancel each other out

5 Multiple choice questions

  1. mirror (light waves), echo (sound waves), RADAR (radio waves)
  2. any substance that a wave moves through
  3. the bending of a wave as it enters a new medium at an angle other than 90 degrees
  4. the meeting and combining of waves
  5. a straw looks "broken" when you look at it in a glass of water (because the light bends when it enters the water)

5 True/False questions

  1. 2 relationships for wavesRadio, infrared (IR), light


  2. diffraction exampleslight will bend around a lampshade; sounds can be heard even if you are hiding behind something


  3. constructive interferencewhen waves cancel each other out


  4. frequencyany substance that a wave moves through


  5. mechanical wavewaves that transfer energy through matter