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Waves
Waves
Waves
Waves
Waves
Waves
Waves
Waves
Waves
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Waves

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Transcript

  • 1. Waves
  • 2.
    • What are waves?
    • Used to transfer energy
    • Waves travel through different mediums
    • - solid
    • - liquid
    • - gas
  • 3.
    • Parts of a
    • wave
  • 4.
    • Categories of waves
    • Wave speed
    • Wavelength
    • Frequency
    • Transverse
    • Longitudinal (compression)
    • How fast a wave moves
    • Distance between waves
    • # of waves in a given period of time
    Think Slinky!!
  • 5.
    • Properties
    • of waves
    • a.
    • b.
    • As frequency decreases the wavelength increases
    • As frequency increases the wavelength decreases
    • The higher the frequency the more dangerous the wave.
  • 6.
    • Sound
    • Is a compression wave
    • requires molecules to vibrate off of. If no molecules then no sound.
      • Would you hear a boom box in outer space?
    • Amplitude = Loudness
      • Increase the amplitude the louder the sound
    • Frequency & Pitch
      • The higher the frequency the higher the pitch
  • 7.
    • Behavior
    • of waves
    • Reflection: when a wave bounces off an object
      • Echo is a reflected sound wave
  • 8.
    • Behavior
    • of waves
    • Refraction: is when the wave bends because it changes mediums.
      • This is why a pencil looks broken when put into a glass of water.
  • 9.
    • Behavior
    • of waves
    • Diffraction: When an object causes a wave to change or bend around it.

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