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5 Written questions

5 Matching questions

  1. Earth's largest source of EM waves
  2. color of visible light with lowest frequency
  3. opaque
  4. translucent
  5. uses of microwaves
  1. a sun
  2. b
    some of the light waves get through and some are scattered
  3. c
    none of the light waves get through
  4. d microwave oven, cell phone, radar
  5. e red

5 Multiple choice questions

  1. the change in perceived pitch that occurs when the source of a sound is moving
  2. ultraviolet
  3. solid
  4. radio waves
  5. radio, micro, infrared, visible, ultraviolet, x-ray, gamma

5 True/False questions

  1. waves that require a medium to travel are called_________________, and those that can travel in a vacuum are called_______________________mechanical, electromagnetic

          

  2. echolocation
    none of the light waves get through

          

  3. higher frequency makes a ________ pitchdecreases

          

  4. sound intensitymeasure of the energy or amplitude of a wave

          

  5. unit of measure of sound amplitudedecibels