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# Electromagnetic Spectrum

## 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.

## Electromagnetic Spectrum

Students will learn what an electromagnetic wave is, gain a feel for the main parts of the spectrum and work problems involving basic properties of electromagnetic waves.

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• Interactive Simulations

## Light Wave

Learn about light as an electromagnetic wave, and how to relate its wavelength and frequency to the electromagnetic field pattern it creates.

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• PLIX

## Energy Levels: Bohr's Atomic Model

Electromagnetic Spectrum Interactive

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• PLIX

## Wavelengths

Electromagnetic Spectrum Interactive

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• Video

## The Electromagnetic Spectrum Song

An original music video on the electromagnetic spectrum.

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• Practice
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## Electromagnetic Spectrum Quiz - PPB

Calculate the frequency or wavelength of a wave on the EM spectrum, know the order of waves in terms of energy/frequency/wavelength, and that they all travel at the speed of light.

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• Critical Thinking

## Electromagnetic Spectrum Discussion Questions

A list of student-submitted discussion questions for Electromagnetic Spectrum.

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• Study Guide