Unit Plan

The Electromagnetic Spectrum

Curated and Reviewed by Lesson Planet

Did you realize the visible light spectrum is less than three percent of the electromagnetic spectrum? A hands-onlesson includes five activities and experiments for scholars to explore and discover many advanced science concepts. They start by constructing their own spectroscopes, and it just gets better from there. 

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Research the impact various wavelengths from the electromagnetic spectrum have on the human body
Classroom Considerations
  • Follow all safety guidelines and regulations when using materials, especially razor blades, that could harm pupils
  • The diffraction grating should be the holographic type for the best effect
  • A dark classroom would be best for this lesson
  • A soldering iron is required, but soldering could be done ahead of time rather than as part of the activity
  • The second in a series of five lessons
  • Resource includes an answer key
  • The content covered is higher level, but the lesson presents it so well that the younger students will be able to understand it
  • Highly engaging activities doing real science rather than just reading, observing, or memorizing
  • None
Common Core