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5 Written questions

5 Matching questions

  1. reflection examples
  2. interference
  3. refraction
  4. wave
  5. reflection
  1. a the bending of a wave as it enters a new medium at an angle other than 90 degrees
  2. b the meeting and combining of waves
  3. c the bouncing back of a wave as it strikes a barrier
  4. d mirror (light waves), echo (sound waves), RADAR (radio waves)
  5. e a disturbance that transfers energy from one place to another

5 Multiple choice questions

  1. Radio, infrared (IR), light
  2. when waves cancel each other out
  3. Sound, ocean waves, earthquakes
  4. light will bend around a lampshade; sounds can be heard even if you are hiding behind something
  5. waves that transfer energy through matter

5 True/False questions

  1. amplitude
    for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough


  2. wavelengtha disturbance that transfers energy from one place to another


  3. constructive interferencewhen waves combine to a larger amplitude


  4. frequency
    lowest point (valley) of a wave


  5. EM Waveelectromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium)