Sound Activity - Sound Tubes - Pitch, High/Low Pressure, Vibration

This activity takes a look at a simple toy, called a sound tube. I’ve also seen them called noise tubes, or gravity tubes. They aren’t hard to find online, but I can sometimes find them for much cheaper at our local Dollar Store/Tree, etc.

The idea is that the students will investigate what makes this simple kid’s toy work. What’s really happening when you spin it that causes it to make sound. This can be used to explain concepts such as sound (vibrations), frequency (the faster air moves through the tube, the higher the frequency (pitch)), or even air pressure (the faster moving end of the tube is a LOW pressure zone, and the end held in your hand is a HIGH pressure zone).

I have a few basic questions for students to address as they “experiment” with the toy. These questions can easily be expanded, made of a higher level, etc. to match the needs of your class.

The video is me, going through the same activities that the kids would, explaining the how/why.

The video is 1080p, mp4

Feel free to attach this to any PRIVATE space, such as Google Classroom, for student use. Please do not post publicly on the web.

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Created: Dec 29, 2018


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