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Waves & Sound

Create music in your next physics lab on waves and sound. View these numerous videos and review the multiple resources that will resonate with your lab students.

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Singing Tube Demonstration

Mysteriously play an organ pipe without an organ! This demonstration uses heated air to produce vibrations inside a long tube. The vibrations, in turn, produce standing sound waves with a unique tone or timbre (ta˘mʹ br)—the same concept that produces sound from an organ pipe.

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Resonance with Washers

Have you ever heard a crystal glass hum when someone runs a finger around its rim? Do you remember the great height you could reach on a swing when you pumped your legs with proper timing? Do any objects in your home vibrate when music is playing? Although these observations seem to be unrelated, they all involve a phenomenon known as resonance.

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Tuning Fork Demonstrations

Amplify your lessons on waves and sound with some terrific demonstrations using tuning forks.

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Resonating Rings

Have you ever noticed a single object in your home vibrate vigorously due to the vibrations of loud music? Why is it that only certain objects vibrate and not all objects? This is due to a phenomenon known as resonance. Amaze your students with this simple demonstration.

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Singing Rods - Demonstration Kit, AP7040

Singing Rods - Demonstration Kit shows how you can easily demonstrate resonance with these unique and reusable metal rods.

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Thundering Tube—Demonstration Kit, AP6923

Thundering Tube Demonstration Kit shows how you can use this product to explain sound, waves, frequency, resonance and amplification.

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Singing Tubes Demonstration Kits

Singing Tubes Demonstration Kits shows how you can demonstrate the principles of sound waves and resonance in your lab.

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Gummy Bear Wave Machine

Gummy Bear Wave Machine is a Flinn Physical Science Minute that shows how you can use Gummy Bears to create a colorful, inexpensive demonstration to help students understand wave motion.

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Resonance with Washers

Resonance shows an easy-to-make “swing set” of six pendulums that reveals patterns that indicate resonance in this Flinn Physical Science Minute.

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Standing Fire Wave

Standing Fire Wave ignites your students' interest in standing waves with this unforgettable demonstration in this Flinn Physical Science Minute. This demo covers concepts of nodes and antinodes and harmonic frequencies are reinforced.

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Kaleidoscoptical Activity

Kaleidoscoptical Activity shows how polarizing filters can create a beautiful kaleidoscope of colors when corn syrup is placed between them.

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Standing Wave Generator

Standing Wave Generator helps you to visualize wave properties of electrons, including resonance, nodes, and antinodes.

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Wave Generator demonstrates the inverse relationship between wavelength and frequency of light.

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Standing Wave Generator

Demonstrate a standing wave by using a centrifuge device with a simple attachment. The discussion of wavelength and amplitude will become much more concrete as students see these principles for themselves!

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A sound pipe, which many think is just an annoying toy for young children, can actually help you teach some very basic and more complex scientific principles.

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Standing Wave Generator

Teachers can demonstrate a standing wave by using a centrifuge device with a simple attachment. The discussion of wavelength and amplitude will become much more concrete as students see these principles for themselves!

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Demonstrate spring compression and wave generation using Slinky®!

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Discovering the Speed of Sound in Air

Have you ever observed a carpenter hammering in a nail off in the distance? If you are far enough away from the carpenter, you will observe the hammer hit the nail before you hear it hit. It seems as though there is a delay in the time it takes for the sound to reach your ears. Why does this happen? How fast does sound travel? Discover the speed of sound with this activity!