Build a cuíca—a musical instrument—and play with vibrations!
Two pendulums influence each other’s motion to create Intriguing patterns.
Resonance can cause two pendulums to swing in identical cycles.
Make a speaker that turns changing electric current into sound.
Get Bach to the fundamentals.
When you hold a seashell to your ear, you can hear a steady roar.
Listen to the radio in an unconventional way.
Big swings from little pulls grow.
Demonstrate how different objects vibrate at different frequencies.
Explore resonance to discover how objects vibrate at certain frequencies.
Tune in to tunes with your teeth.
Demonstrate resonance by shaking dried spaghetti.
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Attribution: Exploratorium Teacher Institute
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