Bernoulli’s Principle

Synopsis

Gases and liquids have similar movement patterns. In chemistry classes students will learn about the Bernoulli’s principle. This concept of fluid movement can be difficult to understand. Years of teaching science taught me to use example like digging up sand and having new sand fill the void. This simple outdoor activity can serve as a simple introduction to understanding this key gas principle.

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In fluid dynamics, Bernoulli’s principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid’s potential energy. The principleis named after Daniel Bernoulli who published it in his book Hydrodynamica in 1738.

 

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