Spool Riddle - Which Way Will It Roll?

This Spool Riddle - Which Way Will It Roll? video also includes:

Looking for a challenging brain teaser to stimulate conversation? The spool riddle will make things roll right along! The narrator of the a physics video series explains the constraints of the spool in terms of movement and friction, then challenges viewers to determine which way the spool will roll once someone pulls its string.

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CCSS: Adaptable
Instructional Ideas

  • Watch a helpful video after viewing the first part of the mini-series
  • Viewers still puzzled by the spool riddle? Reveal the answer in a related video
Classroom Considerations

  • Plan extra-long pauses so pupils can work together on solutions to the riddles

  • Animated sequences support explanations of the riddles
  • The content is fun and promotes critical thinking

  • None
Common Core