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Hungry for fresh, exciting science activities based in amazing phenomena? Science Snacks are hands-on, teacher-tested, and use cheap, available materials.
A rotating black-and-white disk produces the illusion of color.
"Cold" metal and "warm" wood may be the same temperature.
Turn your kitchen trash into garden treasure.
This surprising instrument is fun to make—and even more fun to play.
Demonstrate resonance by shaking dried spaghetti.
Just spew it—build your own cyclic hot water fountain.
Locating the source of a sound is mostly a matter of timing.
The attraction and repulsion of magnets produces entrancing, unpredictable motion.
Iron filings trace out magnetic field lines in three dimensions.
Listen to bird songs and try to figure out which are songs, which are companion calls, and which are alarms.
Without a boundary, it’s hard to distinguish different shades of gray.
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