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When a piece of iron gets too hot, it loses its attraction to a magnet.
Use magnets to model the motion of electrons.
Change the measured weight of an object—without touching it.
Levitating magnets show how the Earth’s atmosphere stacks up.
For magnets, strength isn’t necessarily in numbers.
Discover how both poles of a powerful magnet repel a grape.
Iron filings trace out magnetic field lines in three dimensions.
Copper coils become electromagnetic swings.
Magnetic lines stop here.
Magnets can affect things that aren’t magnetic.
The attraction and repulsion of magnets produces entrancing, unpredictable motion.
Shake just right to see the light.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Attribution: Exploratorium Teacher Institute
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