Bernoulli's Principle states that as the speed of moving air or water increases, the pressure within the fluid decreases. This principle, along with Newton's Laws, can expoain "lift" (how an airplane flies). Watch this movie to see other ways this principle can be applied!

This movie is in Quick Time format. If you need a plug-in to view it, you can get it here.

© 2002 Everyday Science, Poudre School District, Colorado State University