Summary
Phil builds a tiny robot that scoots around using nothing but vibration, then scales the idea up. A hands-on look at how a fast back-and-forth motion can turn into movement. ~22 min, free on the official Science Max YouTube channel.
Viewer safety
All ages
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Teaching resources
Discussion questions
Discussion
A buzzing motor makes a brush "walk" — Phil explores how vibration causes motion.
- What makes the vibrobot move?
- What does it mean for something to vibrate?
- Why do the bristles help it scoot in one direction?
- Where else do you feel or hear vibrations?
Quick work-a-long
Vocabulary: vibration, motion, motor, buzz, move.
Try it: Put a phone on vibrate (or hum with your hand on your throat) and feel the buzz. Describe the fast back-and-forth motion you feel.