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BERNOULLI CUPS
National Standard: B2
“ ... Students should develop an understanding of position and motion of objects ... (both) can be changed by pushing or pulling ...” 1
Suggested Use
Blow through the tube to push air at the ball. As long as a steady supply of air continues, the ball will hover in mid-air above the cup! Several forces are involved here including air pressure, gravity, and the Bernoulli Principle. Challenge students to research these. (Related concepts: pneumatics, hydraulics, etc.)
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