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Play songs by banging a PVC pipe against your palm.
Pendulums dance in a shifting series of patterns as they swing to their own rhythms.
Hold a seashell to your ear to hear a steady roar.
Demonstrate how different objects vibrate at different frequencies.
Explore resonance to discover how objects vibrate at certain frequencies.
Explore the twinkling of stars by beaming a laser pointer over a hot plate.
Blowing air through a disk full of holes makes a tone.
Demonstrate resonance by shaking dried spaghetti.
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Attribution: Exploratorium Teacher Institute
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