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5 Written questions

5 Matching questions

  1. waves that require a medium to travel are called_________________, and those that can travel in a vacuum are called_______________________
  2. color of visible light with lowest frequency
  3. Earth's largest source of EM waves
  4. as wave frequency increases, wavelength ____________
  5. what determines what color an object is?
  1. a mechanical, electromagnetic
  2. b decreases
  3. c red
  4. d the color that is reflected by the object and the color of light hitting the object
  5. e sun

5 Multiple choice questions

  1. decibels
  2. gamma waves
  3. hertz
  4. solid
  5. radio waves

5 True/False questions

  1. uses of infrared wavesremote controls, laser pointers, heat lamps


  2. speed of EM wavesspeed of light


  3. color of visible light with highest frequencyred


  4. sound wavecompression wave that transfers energy by vibrating particles in a medium


  5. pitch
    none of the light waves get through