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5 Written questions

5 Matching questions

  1. Graph: distance vs. time (slope)
  2. Velocity
  3. diffraction examples
  4. 2 relationships for waves
  5. Boiling point of water in K
  1. a 373K
  2. b light will bend around a lampshade; sounds can be heard even if you are hiding behind something
  3. c speed and direction
  4. d slope = velocity
  5. e 1) speed and frequency = directly proportional
    (as speed goes up, frequency goes up)
    2) wavelength and frequency = inversely proportional
    (as wavelength gets longer, frequency goes down)

5 Multiple choice questions

  1. C + 273 = K

  2. frowning curve (slope gets flatter and flatter)
  3. 212°F
  4. a straw looks "broken" when you look at it in a glass of water (because the light bends when it enters the water)
  5. speed is increasing

5 True/False questions

  1. Positive velocityThe price you pay (in energy) to change the temperature of something.


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


  3. constructive interferencewhen waves cancel each other out


  4. Heata disturbance that transfers energy from one place to another


  5. Convectionthe direct transfer of heat from one substance to another substance that it is touching