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Building a Fancy Spectrograph

(Complete Item Description)

Abstract:: Students create and decorate their own spectrographs using simple materials and holographic diffraction gratings. A holographic diffraction grating acts like a prism, showing the visual components of light. After building the spectrographs, students observe the spectra of different light sources as homework.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary, Secondary
Collection:: TeachEngineering

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Graphing the Rainbow

(Complete Item Description)

Abstract:: Students are introduced to different ways of displaying visual spectra, including colored "barcode" spectra, like those produced by a diffraction grating, and line plots displaying intensity versus color, or wavelength. Students learn that a diffraction grating acts like a prism, bending light into its component colors.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary, Secondary
Collection:: TeachEngineering

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A Spectral Mystery

(Complete Item Description)

Abstract:: Students use the spectrograph from the "Building a Fancy Spectrograph" activity to gather data about light sources. Using their data, they make comparisons between different light sources and make conjectures about the composition of a mystery light source.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary, Secondary
Collection:: TeachEngineering

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Using a Fancy Spectrograph

(Complete Item Description)

Abstract:: Students use the spectrograph from the "Building a Fancy Spectrograph" activity to gather data about different light sources. Using the data, they make comparisons between the light sources and make conjectures about the composition of these sources.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary, Secondary
Collection:: TeachEngineering

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