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5 Written questions

5 Matching questions

  1. interference
  2. wave
  3. mechanical wave
  4. Examples of mechanical waves
  5. diffraction examples
  1. a the meeting and combining of waves
  2. b Sound, ocean waves, earthquakes
  3. c a disturbance that transfers energy from one place to another
  4. d waves that transfer energy through matter
  5. e light will bend around a lampshade; sounds can be heard even if you are hiding behind something

5 Multiple choice questions

  1. any substance that a wave moves through
  2. a straw looks "broken" when you look at it in a glass of water (because the light bends when it enters the water)
  3. mirror (light waves), echo (sound waves), RADAR (radio waves)
  4. the spreading out of waves through an opening or around the edges of an obstacle
  5. electromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium - DOES NOT REQUIRE A MEDIUM)

5 True/False questions

  1. Examples of EM WavesRadio, infrared (IR), light


  2. constructive interferencewhen waves combine to a larger amplitude


  3. wavelengtha disturbance that transfers energy from one place to another


  4. Waves caused by vibrations of atomsSound, ocean waves, earthquakes


  5. refractionthe bending of a wave as it enters a new medium at an angle other than 90 degrees


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