Waves & Sound

Waves & Sound
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  1. Talkie Tapes class set of 30 tapes Item # P7-7320
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    Attach this simple plastic strip to any object, like a cup or a balloon, rub it with your thumbnail and hear it talk! Tiny bumps on the tape cause vibrations that mimic a human voice saying, "Science is Fun!" Pack of 30.

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  2. 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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  3. Ripple Tank for Overhead Projector Item # P7-7260
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    Now you can create real moving waves that the whole class can observe. Our Overhead Projector Ripple Tank allows you to demonstrate wave propagation, reflection, refraction, and diffraction on a large scale.

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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. Sound Level Sensor Item # P7-7700
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    Ideal for monitoring and recording sound levels in or out of the lab. It's compact, lightweight, and features a large LCD screen with dual reading displays. Includes sensor, windscreen, four batteries, and user manual.

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  6. Mini Spring Item # 33-0120
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    Super Springy's little brother, "Mini Spring," is 1.25 inches in diameter and comes in assorted colors.

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  7. Resonance Apparatus Item # P7-7450
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    This simple, yet effective demonstration gives students a deeper understanding of the concept of resonance, while showing them how to calculate the speed of sound using only a tuning fork and water.

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  8. Low Frequency 100 Hz Tuning Fork Item # P7-5700
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    Low-frequency tuning forks vibrate so slowly that the motion is plainly visible to the human eye.

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  9. Digital Strobe Light Item # P2-9010
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    Strobes can "slow down" fast or periodic motions for observation and measurement. This powerful digital strobe light has a flash rate that is fully adjustable between 1.7 and 133 flashes per second.

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  10. Tuning Fork 384Hz Note G Item # P7-5200
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    Our precision-tooled aluminum forks won't rust or tarnish, so they'll last for years.

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