

						Demonstrates sound wave requirement for a medium
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						Demonstrates longitudinal behavior of sound waves
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						Use bells as a sound source						Read More
					
						Small version of the standard bell in vacuum demonstration						Read More
					
						Show the wave shape of various sounds						Read More
					
						Show the loudspeaker motion produced by waves of various shapes						Read More
					
						Demonstrates waveform and sound of standard waves
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						Determine the speed of sound						Read More
					
						Determine the speed of sound in air						Read More
					
						Determine the speed of sound as a function of gas density						Read More
					
						Measure the speed of sound by determining the travel time of a pulse between two microphones						Read More
					
						Direct measurement of the speed of sound in air						Read More
					
						Measurement of the speed of sound in air using Lissajous figures						Read More
					
						Demonstrate use of a sound level meter						Read More
					
						Illustrate the effect on the ear of successive changes of exactly 10 dB						Read More
					
						Demonstrate how an ultrasonic motion detector works						Read More
					
						Demonstrate that there exist ultrasonic waves with frequencies above the range of human hearing						Read More
					
						Show the wave form of the ultrasonic signal created by the ultrasonic motion detector						Read More
					
						Illustrate various audio phenomena						Read More
					
						Illustrate various audio phenomena						Read More
					
						Hear heartbeats						Read More