PURPOSE: To illustrate Archimedes' Law in a counterintuitive manner.
DESCRIPTION: A block of wood is "floated" in a volume of water much smaller than the volume of the wood block. The water is poured into a container the same shape, but slightly larger than the wood block, then the wood block is inserted. In the wonderland world of the physicist, a battleship could be floated in a bathtub using one cup of water, if the tub were the right shape!
SUGGESTIONS:
REFERENCES: (PIRA 2B40.25)
EQUIPMENT: Tank, wood block, 300 ml water.
SETUP TIME: None.
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