Bowling Balls Can Float
According to the United States Bowling Congress, bowling balls should all be between 67.83 cm and 68.59 cm in circumference. The maximum legal weight of a bowling ball is 7.27 kg (16 lbs).
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from Spangler Science TV
Key Facts In This Video
All professional bowling balls are the same size. (0:33)
The density of water is about one gram per cubic centimeter. (1:21)
A 5.4-kilogram (12-pound) bowling ball will just barely float in water, while a 3.6-kilogram (8-pound) ball will be much more buoyant. (2:27)