A Slinky can show two different types of waves - longitudinal and transverse.


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Read more: The Difference Between Transverse & Longitudinal Waves

A strobe light can make a vibrating string appear bent and unmoving in midair! 


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Read more: Standing Waves and the Strobe Effect

The wave machine is used to show how the frequency and the wavelength of a wave depend on one another. 


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Read more: Wavelength & Frequency

This demo shows the wave patterns of three different instruments:

a flute, a saxophone, and a trumpet.


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Nodes and anti-nodes can be seen in a Slinky


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Read more: Standing Waves on a Spring