College of Liberal Arts & Sciences
2B40.40 - Buoyancy Demo - Baroscope
Vacuum grease should be applied to the bell jar for a good seal. Be sure that the apparatus inside the bell jar does not obstruct the air hole in the vacuum stand.
- Paul Hewitt, "Figuring Physics", TPT, Vol. 52, #9, Dec. 2014, p. 564.
- G. Calzà, L.M. Gratton, T. López-Arias, and S. Oss, "Measuring Air Density in the Introductory Lab", TPT, Vol. 48, # 3, March 2010, p. 189.
- Thomas B. Greenslade, Jr., "The Buoyancy Balance", TPT, Vol. 31, # 3, Mar. 1993, p. 160.
- "Figuring Physics", TPT, Vol. 28, # 4, Apr. 1990, p. 248.
- Zhu E-Qing, "A Demonstration to Show the Upthrust Exerted by Air", TPT, Vol. 26, # 6, p. 401, September 1988.
- Thomas B. Greenslade, Jr., "Buoyancy Balance", AJP, Vol. 78, # 7, p. 777, July 2010.
- W. Zimmermann Jr., "Buoyancy of Air", AJP, Vol. 48, #4, April 1980, p. 319.
- Fg- 3: Freier and Anderson, A Demonstration Handbook for Physics.
- R. W. Pohl, "16. Upward Thrust or Buoyancy in Gases", Physical Principles of Mechanics and Acoustics, p. 186.
- "95, Iron vs. Plastic", Christopher P. Jargodzki and Franklin Potter, Mad About Physics, p. 33, 180.
- Brown, Science for You-112 Illustrated Experiments.
- Janice VanCleave, "Heavy Air", Physics for Every Kid, p. 90- 91.
- Janice VanCleave, "Tilt", 200 Gooey, Slippery, Slimy, Weird, & Fun Experiments, p. 93.
- Janice VanCleave, "Tip", 201 Awesome, Magical, Bizzare, & Incredible Experiments, p. 77.
- Richard Berg, "A Pop Bottle Buoyancy of Air Demonstration", PIRA Newsletter, Feb. 1994.
- Joseph Frick, "#18 - The Balance Manometer", Physical Technics: Or, Practical Instructions for Making Experiments in Physics and the Construction of Physical Apparatus with the Most Limited Means", p. 119.
Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist. The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose. The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources. Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks. These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage. Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.