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5 Written questions

5 Matching questions

  1. Graph: distance vs. time (slope)
  2. low specific heat
  3. diffraction
  4. Absolute Zero
  5. Examples of mechanical waves
  1. a Sound, ocean waves, earthquakes
  2. b easy to change the temperature
  3. c the temperature at which particles stop moving entirely (impossible to actually reach)
  4. d the spreading out of waves through an opening or around the edges of an obstacle
  5. e slope = velocity

5 Multiple choice questions

  1. smiling curve (slope gets steeper and steeper)
  2. the object is not chaning speed (is not moving or is moving with constant speed)
  3. always goes from hot to cold
  4. must convert to Celsius first, THEN to Kelvin
  5. light will bend around a lampshade; sounds can be heard even if you are hiding behind something

5 True/False questions

  1. Why do we have the Kelvin scale?difficult to change the temperature


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


  3. SI unit for accelerationm/s² (meters per second squared)


  4. equal and opposite forceswhenever a force is exerted, there is another force that is equal in size and opposite in direction


  5. freefallwhen the only force acting on an object is gravity