Summary
A bite-size Design Squad explainer: how shifting gears changes how hard you have to pedal. In a couple of minutes it makes clear how gears trade speed for force on a bike.
Viewer safety
All ages
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Teaching resources
Discussion questions
Quick questions to check understanding:
- In your own words, explain how gears trade speed for force on a bike.
- Where have you seen this idea show up in real life?
- How could an engineer use this idea when they design something?
Quick work-a-long
Words to know: bike gears, plus one new word you heard.
Try it:
- Explain the main idea to a partner in one sentence.
- Find one example of it around you and draw or describe it.