The Raisin Bran Effect

New Review

Everyone knows the smallest chips settle to the bottom of the bag, but why? An episode from a series of science videos describes the percolation effect using both demonstrations and animation. Scholars watch as smaller particles fill spaces to force larger particles to the top.

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CCSS: Adaptable
Instructional Ideas

  • Recreate the lab demonstration in the video to demonstrate percolation
  • Have learners record three interesting facts while watching the lesson to use during a class discussion
Classroom Considerations

  • If assigning for independent viewing, consider monitoring the YouTube comments first
Pros

  • Offers multiple explanations and scientific evidence to support them
  • Instructor shows excitement for the content, which increases engagement
Cons

  • None