Sound & Resonance

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  1. Resonance Bowl Item # P7-7510
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    See water dance to the vibrations from your hands with the Resonance Bowl! A fun and effective way to demonstrate the behavior of waves and their interactions.

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  2. Set of 8 Boomwhackers Item # P7-7400
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    Demonstrate open- and closed-piped resonance with these colorful tubes. When whacked against the floor or your knee, each tube produces a clear tone. Students can even play songs!

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  3. Singing Rods (Set of 2) Item # P7-7250
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    A must for explorations of sound and waves, these rods are an easy way to demonstrate longitudinal waves as opposed to transverse waves. They're ideal for teaching about nodes and anti-nodes in standing waves.

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  4. Doppler Ball Item # P7-7120
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    This foam ball has a battery-powered buzzer inside. Start the buzzer and play catch. Throw it fast enough, and students can hear the frequency shift!

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  5. Sympathetic Tuning Fork Set Item # P7-6000
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    Set includes two C Note 256 Hz tuning forks, one fixed and one adjustable, each mounted on a wooden resonance box and a mallet.

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  6. Music Box Mechanism Item # P7-7330
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    Turn your whole chalkboard into a speaker! This music box mechanism is quiet on its own, but just hold it against a large object and hear a dramatic increase in volume!

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  7. Neulog Sound Sensor NUL-212 Item # NL-2120
    $98.99
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    This sensor has two modes of operation. In slow mode it can be used to measure Sound-pressure level in decibels. In fast mode it can be used to compare different sources of sound, their waveforms can also be displayed. Read More
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