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Electromagnetic Spectrum loading

The light we see and the radio waves that carry our phone calls are both waves in the electromagnetic spectrum.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
  • Video
    How a Microwave Oven Works

    How a Microwave Oven Works

    by CK-12 //advanced

    This video ties the concepts of electromagnetic waves (microwaves) and standing waves. Did you know you can figure out the wavelength and energy of the microwaves by melting cheese?

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