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Iron filings trace out magnetic field lines in three dimensions.
Copper coils become electromagnetic swings.
Ding dong! This investigation shows how your doorbell works.
Listen to the sound of rain falling—anytime, anywhere.
If you blow harder, will it go farther?
Make a balance that weighs very light things.
Measure the thickness of a sheet of paper.
Hear the magnet!
A magnet exerts a force on current-carrying wire.
Surprisingly, a flat panel rolls smoothly on non-circular rollers.
Dos “labios” producen sonido.
Compare the brightness of two light sources with an oil spot on a white card.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Attribution: Exploratorium Teacher Institute
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