1D52.30 - Water Centrifuge with Cork and Balls
Place the steel balls or marbles and a cork in a 2-Liter pop bottle and fill with water. Place the bottle on its side in the middle of the rotating air table and give it a spin. The cork should move to the center of the bottle while the marbles or steel balls should move to the ends of the bottle.
- Keith Bellof, "Student-Discovered Gem", TPT, Vol. 45, # 8, Nov. 2007, p. 524.
- Martin Gardner, "The Marble and the Cork", TPT, Vol. 34, # 3, p. 146, March 1996.
- Thomas J. Pickett, "The Marble, Cork, and Centrifuge", TPT, Vol. 34, # 7, p. 422, Oct. 1996.
- Martin Gardner, "The Marble and the Cork", p. 15.
- Neil. A. Downie, "Centripetal Chaos", Ink Sandwiches, Electric Worms and 37 Other Experiments for Saturday Science, p. 134.
- Borislaw Bilash II, “Measuring Acceleration“, A Demo A Day – A Year of Physical Science Demonstrations, p. 221.
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