In this mind-bending activity, young engineers explore this question of whether or not light actually bends. Using holographic diffraction gratings, groups design and build a spectrograph. The groups then move on research a problem related to solar system spectroscopy and design a mission to address the problem. Presentations of mission designs conclude the activity.

Concepts

spectroscopy, spectrometers, engineering design, electromagnetic spectrum, light, technology resources

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Instructional Ideas

• Use this hands-on activity as part of a light unit
• Coordinate with the math teacher to use this activity after a study of trigonometric ratios 

Classroom Considerations

• Activity is dependent upon the Building a Fancy Spectrograph activity
• Holographic diffraction gratings are needed
• Knowledge of trigonometry is required

Pros

• The materials list provides resources in which to indicates materials that need to be purchased
• nformation provides an explanation of how diffraction gratings work

Cons

• This is not a stand-alone activity
• May require mathematical concepts students have not yet learned

Common Core

HSG-MG.A.3