Deep Time

Are our universe's days numbered? Yes and no, depending on how you look at it. Travel as far into the future as possible in a video describing the five ages of the universe. The narrator begins the tale in current days, which are the infancy of the universe, then illustrates its physical transformation to the very end. He also discusses alternate endings, leaving hope for what lies incredibly far ahead.

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Instructional Ideas
  • Preface the video by asking students what they think will happen to the universe over time based on what they have already learned
  • Extend the lesson by introducing pupils to Stephen Hawking; aside from his work described in the video, Hawking's other theories about cosmology make for great class discussion
Classroom Considerations
  • Consider reviewing black holes, white and brown dwarfs, and supernovae before watching the resource
  • 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
Pros
  • Presents content in a very organized manner, which makes the video easy to follow despite the difficult topic
  • The narrator uses an analogy to help learners conceptualize the very vast lengths of time discussed
Cons
  • Displays all numbers in scientific notation without exponents in the subtitles