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Unit 2 Waves

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  • True or False; objects moving in the direction of the wave is an example of waves transferring energy.
    False.
  • True or False; objects moving up and down in the water is an example of waves transferring energy.
    True
  • True or false; glass shattered by an opera singers voice is an example of sound energy causing a change?
    True
  • True or False; Can light waves pass through space?
    True
  • Provide an example of a pattern bring transformed from one form to another to communicate information.
    Flags
  • Come to the board and draw a model of a wave. Include crest, trough, wavelength.
    see student model
  • True or False Light waves need a medium to pass through?
    False
  • True or False; A phone vibrating when it rings is an example of sound energy causing a change.
    True
  • How does sound travel?
    in waves through particles of matter
  • Provide an example of a pattern bring transformed from one form to another to communicate information.
    binary code
  • True or False; someone getting sunburned by the mid day sun is an example of sound energy causing change.
    False
  • Is it better for people to use sound or light to communicate and why?
  • Explain why some light is invisible to the human eye.
    Due to the variety of wavelengths (shorter and longer) our eyes can not detect them.
  • True or False; Waves form in the water is an example of waves transferring energy.
    True
  • True or False; the water becomes still is an example of a wave transferring energy.
    False
  • Give an example of vibrations causing a sound.
    Varies
  • Provide an example of a pattern bring transformed from one form to another to communicate information.
    Morse code
  • Give an example of vibrations causing sound.
    varies
  • True or False; sound waves need a medium to pass through
    true
  • Give an example of a light source.
    varies
  • True or False; high winds causing large ocean waves is an example of sound energy causing change.
    False
  • give an example of a light source
    varies
  • True or False; a loud concert causes a mans ears to ring is an example of sound energy cause a change.
    True
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