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5 Written questions

5 Matching questions

  1. sound waves move fastest in which type of medium?
  2. color of visible light with highest frequency
  3. what determines what color an object is?
  4. translucent
  5. echolocation
  1. a
    some of the light waves get through and some are scattered
  2. b solid
  3. c use of ultrasound to detect objects
  4. d violet
  5. e the color that is reflected by the object and the color of light hitting the object

5 Multiple choice questions

  1. increases
  2. speed of light
  3. mechanical, electromagnetic
  4. medium and temperature
  5. remote controls, laser pointers, heat lamps

5 True/False questions

  1. pitchhow high or low a sound is


  2. lowest energy wavesradio waves


  3. opaque
    none of the light waves get through


  4. transparent
    all or most of light waves get through


  5. doppler effectthe change in perceived pitch that occurs when the source of a sound is moving


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