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5 Written questions

5 Matching questions

  1. destructive interference
  2. constructive interference
  3. diffraction examples
  4. amplitude
  5. reflection
  1. a the bouncing back of a wave as it strikes a barrier
  2. b
    for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough
  3. c when waves combine to a larger amplitude
  4. d when waves cancel each other out
  5. e light will bend around a lampshade; sounds can be heard even if you are hiding behind something

5 Multiple choice questions

  1. Sound, ocean waves, earthquakes
  2. mirror (light waves), echo (sound waves), RADAR (radio waves)
  3. a disturbance that transfers energy from one place to another
  4. the bending of a wave as it enters a new medium at an angle other than 90 degrees

  5. the distance from one wave crest to the very next crest. (This may also be measured from trough to trough.)

5 True/False questions

  1. refraction examplesa straw looks "broken" when you look at it in a glass of water (because the light bends when it enters the water)


  2. mediumany substance that a wave moves through


  3. mechanical waveelectromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium - DOES NOT REQUIRE A MEDIUM)


  4. Examples of EM WavesRadio, infrared (IR), light


  5. frequencythe number of waves passing a fixed point in a certain amount of time; it is based partly on wavelength (longer wavelengths take a longer time to pass) and partly on the speed the wave travels