What is half-life and how can decay be used to date items? Viewers find out in this video that details half-life and radioactive decay, as well as the difference between alpha and beta decay.

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Instructional Ideas

  • Create half-life practice problems to go with the video
Classroom Considerations

  • Be aware that anyone can comment on YouTube videos
  • Best fits as a review of radioactive decay
  • The 31st in a series of 49 videos

  • Includes a full written script as well as closed captioning
  • Video is great for visual learners

  • None