Dark Energy, Cosmology Part 2

What's driving the expansion of the universe, and will it ever stop? Take a trip to the dark side in a video full of surprising facts and twists about our view of what lies beyond. Junior cosmologists learn about the invisible energy of space, called dark matter, and its role in expanding space. The narrator also discusses methods for measuring the expansion and the eventuality that our skies may grow dark as the observable universe moves farther away.

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Instructional Ideas
  • Test students' understanding by having them put the concept of dark energy into their own words
  • Extend the lesson by launching a dark matter research project
  • Consider pausing along the way to ensure everyone is on the same page, particularly younger viewers
Classroom Considerations
  • Learners should have an understanding of space, time, matter, and energy prior to watching the video
Pros
  • Simple analogies help the class grasp more abstract concepts
  • The resource shows collaboration and peer review of the dark energy theory
Cons
  • None