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Lesson Plan

Spectral Analysis with DVDs and CDs

Curated and Reviewed by Lesson Planet
This Spectral Analysis with DVDs and CDs lesson plan also includes:

Build a spectrometer to analyze properties of light. Scholars examine the spectrum from CDs and DVDs from two different light sources. Using the spectrum, they work to identify different elements.

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Concepts
spectrometers, wavelength, diffraction, spectra, elements, light waves
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Additional Tags
science
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Instructional Ideas
  • Make colored copies of the light spectrum for pupils to use during analysis
  • Ask pupils to describe the difference in color for different light sources as a check for understanding
Classroom Considerations
  • Requires a specific set of materials and time for set up
Pros
  • Provides both an introductory and closing activity
  • Includes ideas for extension
Cons
  • None