Buoyancy Paradox - 3 Beakers & Density Balls



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 Code Number :   2B40.57B?

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Reprinted by permission of Dick Berg, University of Maryland, for use on this website.

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Condition :   Excellent  
Principle :   Comparison of Weights and Densities  
Area of Study :  Heat & Fluids   
Equipment :   Three Beakers, Two Ping-Pong Balls, Two Super Balls, Scale.
Procedure :   Fill one of the 3 beakers with 800ml of water.  Drop the two ping-pong balls into a beaker and fill it to an 800ml level.  Do the same with the remaining beaker and two super balls.  When you position any of the two beakers on the scale, they should balance. 

NOTE: The final adjustments in volume can be made using a water bottle.

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Mail Questions and Comments to:  Dale Stille