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    In this activity, learners explore the concept of how brakes can stop or slow mechanical motion. Learners examine the operation of a bicycle brake and use low cost materials to devise a simple...

    $5 - $10 per group Ages 8 - 11 45 to 60 minutes
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    In this activity, learners explore the concept of friction and how ball bearings reduce friction. Learners investigate different uses for ball bearings, how the design has changed over time to...

    $1 - $5 per group Ages 8 - 18 45 to 60 minutes

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    • Oregon Museum of Science and Industry (remove)
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