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Electromagnetic Waves
 

Electromagnetic Waves

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    Electromagnetic Waves Electromagnetic Waves Presentation Transcript

    • Electromagnetic Waves
    • An ocean on fire. Entire islands that rise into the air. Billions of tons of seawater that pour in and out of every cove, bay, and sound all up and down the entire coast — not once a year, not once a month, but twice each day?
    • Seismic sounds are too low for us hear. The vibrations create frequencies that are too low and wavelengths that are too long to be recognized by our ears.
      Deep Earth Sounds
      Surface Waves
      This Bubbling Earth
    • Electromagnetic waves are produced by an oscillating electric charge.
    • As frequency of EM wave decreases,
      its energy __________.
    • Which EM waves have
      the longest wavelength?
    • Microwaves
    • Infrared
    • What range of the EM spectrum can
      we detect with our eyes?
    • Visible Light
      Visible light
    • Roy G. Biv
    • Ultra Violet
    • X-Rays
      X-ray
    • Gamma
    • Gamma radiation
      kills _________.
    • Which region of the EM spectrum
      travels the fastest?
    • Which region of the EM spectrum has the highest frequency?
    • Which region of the EM spectrum has the longest wavelength?
    • Do electromagnetic waves travel
      faster in empty space or gas?
    • The End