Topic: inertia

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Homemade marble track demonstrations by science teacher Bruce Yeany

Science teacher Bruce Yeany uses this collection of physics marble tracks to introduce and reinforce his students' ideas about perpetual and kinetic energy, motion, acceleration, inertia, and more. The tracks—stringle...

Bats flip like Tony Hawk to land upside down

Like pirouetting figure skaters, twisting high divers, or a skateboarder trying to land a 900, bats use inertia to flip upside down before they land. Brown University evolutionary biologists Sharon Swartz and Kenneth ...

The gyroscope

It’s true: the narration sounds a bit like a 1960s instructional video. But! Look! It’s a gyroscope! They’re so fascinating that they give this video a lot of force and momentum. How do we use gyrosc...


 
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