About This Lesson
In this activity, students blow through a hole made in a paper bag mask and over the curved surface of the "tongue." Unequal air pressure will cause the tongue to lift. This action provides an example of Bernoulli's principle.
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In this activity, students blow through a hole made in a paper bag mask and over the curved surface of the "tongue." Unequal air pressure will cause the tongue to lift. This action provides an example of Bernoulli's principle.