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Bernoulli Bag 4 pack

Product # P6-7350

Availability: In stock

$6.95
  • Buy 50 for $6.25 each and save 11%

Bernoulli Bag 4 pack

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Related Labs, Activities, and Other CoolStuff

Exploring the physics of air pressure with the wind bag

The long plastic bag demo nicely illustrates Bernoulli's principle. Tie a knot in the end of the 2 meter x 25 cm (8 ft x 10 in) bag and stretch it out on a smooth surface. If you were to blow it up by placing it firmly to your mouth, many lung-fulls of air would be needed. But when you hold it in front of your mouth and blow, air pressure in the stream you produce is reduced, entrapping surrounding air to join in filling up the bag. So you can blow it up with a single breath! This is especially effective after your students have counted many of their own breaths in attempting to fill up the bag! -Paul G. Hewitt, Conceptual Physics

Product is latex free.

Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.