Cosmic Microwave Background Explained

As part of their Cosmology series Space Time presents a video that explains the history of electromagnetic waves and the shifting and expanding wavelengths. It finishes by exploring cosmic microwave background radiation. 

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CCSS: Adaptable
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Instructional Ideas
  • Tune a radio to listen to the background static
  • Review the electromagnetic spectrum to ensure pupils have a strong understanding before watching the video
Classroom Considerations
  • Relies on prior knowledge of electromagnetic waves and visible light waves
  • Includes closed captioning in English for visual learners
  • Requires very little class time
  • None