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5 Written questions

5 Matching questions

  1. transparent
  2. higher frequency makes a ________ pitch
  3. uses of microwaves
  4. Earth's largest source of EM waves
  5. unit of measurement of sound frequency
  1. a sun
  2. b hertz
  3. c
    all or most of light waves get through
  4. d microwave oven, cell phone, radar
  5. e higher

5 Multiple choice questions

  1. decibels
  2. solid
  3. measure of the energy or amplitude of a wave
  4. remote controls, laser pointers, heat lamps
  5. increases

5 True/False questions

  1. as wave frequency increases, wavelength ____________higher


  2. waves that can travel through soft tissue but not bonex-rays


  3. speed of EM wavesspeed of light


  4. EM waves that bees can seespeed of light


  5. waves used to kill cancer cellsradio waves