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5 Written questions

5 Matching questions

  1. as temperature increases, the speed of sound __________________
  2. Earth's largest source of EM waves
  3. waves that require a medium to travel are called_________________, and those that can travel in a vacuum are called_______________________
  4. uses of infrared waves
  5. transparent
  1. a sun
  2. b
    all or most of light waves get through
  3. c increases
  4. d remote controls, laser pointers, heat lamps
  5. e mechanical, electromagnetic

5 Multiple choice questions

  1. x-rays
  2. violet
  3. decreases
  4. microwave oven, cell phone, radar
  5. decibels

5 True/False questions

  1. EM waves that bees can seeultraviolet


  2. speed of EM wavesmicrowave oven, cell phone, radar


  3. waves used to kill cancer cellsradio waves


  4. lowest energy wavesradio waves


  5. translucent
    all or most of light waves get through