Special Relativity and the Twin Paradox

Everyone knows that one twin is always older in a pair. But, could a twin be years older? A video from an extensive physics playlist explains Einstein's theory of special relativity. Topics include the speed of light, special versus general relativity, and time dilation.

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CCSS: Adaptable
Instructional Ideas

  • Include the video in lesson plans covering Einstein's theories, velocity, acceleration, and time
  • Have students pair up and brainstorm other circumstances that could produce an older twin based upon relativity
Classroom Considerations

  • Learners should be well-versed in basic physics motion concepts to fully understand the content

  • Diagrams and animations convey the technical aspects of the content
  • Presents the topic in an engaging and clear way

  • None
Common Core