Demonstrate the Doppler Effect in Your Classroom | Doppler Ball

Uploaded September 2019 | Updated September 2026, 1 week ago

A simple but memorable demonstration of the Doppler effect. Our Doppler Ball consists of a foam ball with a battery-powered buzzer inside. Start the buzzer and play catch. Throw it fast enough, and hear the frequency shift!

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About Arbor Scientific

For more than three and a half decades, we’ve been committed to supporting science educators with meaningful and engaging lab demonstrations and hands-on experiences that not only inspire students but educators as well. We understand school budgets are limited, so we only provide products that offer value, without sacrificing quality. That’s our promise.

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