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5 Written Questions

5 Matching Questions

  1. Waves caused by vibrations of atoms
  2. 2 relationships for waves
  3. reflection
  4. reflection examples
  5. frequency
  1. a 1) speed and frequency = directly proportional
    (as speed goes up, frequency goes up)
    2) wavelength and frequency = inversely proportional
    (as wavelength gets longer, frequency goes down)
  2. b Infrared
  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 the 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

5 Multiple Choice Questions

  1. the spreading out of waves through an opening or around the edges of an obstacle
  2. any substance that a wave moves through
  3. light will bend around a lampshade; sounds can be heard even if you are hiding behind something
  4. when waves combine to a larger amplitude
  5. the bending of a wave as it enters a new medium at an angle other than 90 degrees

5 True/False Questions

  1. destructive interferencewhen waves combine to a larger amplitude

          

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

          

  3. amplitudeany substance that a wave moves through

          

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

          

  5. interferencethe 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

          

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