Levels: Grades K-12
Topics: heat, energy, air pressure
Description: Need a simple demonstration to illustrate the effect of temperature on pressure? The "dancing penny" will do the trick. Discover how a coin, water, and an empty bottle can prove to students that when the gas in a container is heated, pressure rises. Activities related to air pressure and many different science topics are featured on McREL's "Whelmers" site.
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Article by Cara Bafile
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