Summary
The Fixies — tiny helpers who live inside our machines — reveal how friction — the force that appears when surfaces rub together — slows moving things down. A quick full episode (about 6 minutes) from the how-things-work cartoon, easy to drop into a science or STEM warm-up.
Viewer safety
All ages
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Teaching resources
Discussion questions
Discussion
This episode shows how friction — the force that appears when surfaces rub together — slows moving things down.
- What is friction, and where does it come from?
- Why is it harder to slide something across a rough surface than a smooth one?
- Where does friction help us, and where does it get in the way?
Quick work-a-long
Vocabulary: friction, force, rub, rough, smooth, slow down.
Try it: Slide a book across a smooth table and then across a carpet — which stops faster, and why?