Acoustics
H6-08: SOUND SPECTROGRAMS
Category: H6 The Voice
Purpose:
Produce audio spectrograms in the classroom
H4-11 SAVART'S DISCS
Category: H4 Music
Purpose:
Demonstrates the relationship of pitch and musical intervals to mechanical vibration frequency
H4-04 FOURIER ANALYSIS - DIGITAL OSCILLOSCOPE
Category: H4 Music
Purpose:
Demonstrates the Fourier spectrum of complex waves
H1-13 WAVEFORM GENERATOR, SPEAKER AND OSCILLOSCOPE
Category: H1 Nature of Sound
Purpose:
Demonstrates waveform and sound of standard waves
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H1-01 BELL IN VACUUM
Demonstrates sound wave requirement for a medium
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H1-02 SPEAKER AND CANDLE
Demonstrates longitudinal behavior of sound waves
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H1-03: BELLS
Use bells as a sound source Read More
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H1-04: BELL IN VACUUM - PORTABLE
Small version of the standard bell in vacuum demonstration Read More
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H1-11: MICROPHONE AND OSCILLOSCOPE
Show the wave shape of various sounds Read More
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H1-12: VISIBLE WAVEFORMS ON LARGE SPEAKER
Show the loudspeaker motion produced by waves of various shapes Read More
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H1-13 WAVEFORM GENERATOR, SPEAKER AND OSCILLOSCOPE
Demonstrates waveform and sound of standard waves
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H1-21: SPEED OF SOUND - PHASE CHANGE
Determine the speed of sound Read More
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H1-22: SPEED OF SOUND - USING PULSES
Determine the speed of sound in air Read More
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H1-24: SPEED OF SOUND IN HELIUM
Determine the speed of sound as a function of gas density Read More
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H1-25: SPEED OF SOUND BETWEEN TWO MICROPHONES
Measure the speed of sound by determining the travel time of a pulse between two microphones Read More
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H1-26: SPEED OF SOUND IN GARDEN HOSE
Direct measurement of the speed of sound in air Read More
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H1-27: SPEED OF SOUND - LISSAJOUS FIGURES
Measurement of the speed of sound in air using Lissajous figures Read More
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H1-31: SOUND LEVEL METER
Demonstrate use of a sound level meter Read More
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H1-32: WAVETEK AND AUDIO CART - EQUAL SOUND LEVEL STEPS
Illustrate the effect on the ear of successive changes of exactly 10 dB Read More
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H1-41: ULTRASONIC MOTION DETECTOR
Demonstrate how an ultrasonic motion detector works Read More
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H1-43: ULTRASONICS AND HEARING
Demonstrate that there exist ultrasonic waves with frequencies above the range of human hearing Read More
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H1-44: ULTRASONIC MOTION DETECTOR WAVE FORM
Show the wave form of the ultrasonic signal created by the ultrasonic motion detector Read More
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H1-51: AUDIOTAPE 42 MIN - SCIENCE OF SOUND - SHORT VERSION
Illustrate various audio phenomena Read More
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H1-52: AUDIOTAPE 82 MIN - SCIENCE OF SOUND - LONG VERSION
Illustrate various audio phenomena Read More
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H1-53: AUDIOTAPE 8 MIN - WOMB SOUNDS
Hear heartbeats Read More
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