Spectral Analysis with DVDs and CDs

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.

3 Views 1 Download NGSS: Adaptable
Additional Tags
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
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
  • Provides both an introductory and closing activity
  • Includes ideas for extension
  • None