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air cannon

A learner blows air on a pinwheel

Exploring Size - Moving Molecules

In this activity, learners use an air cannon toy to spin pinwheels to explore what makes up air.

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The National Informal STEM Education Network (NISE Network) is a community of informal educators and scientists dedicated to supporting learning about science, technology, engineering, and math (STEM) across the United States.

The NISE Network is supported by multiple sources of funding - learn more. Except where otherwise noted all materials are licensed under a Creative Commons license, as per the Use and Privacy statement and Legal Notice.