Thermal Expansion Demo

 

Code Number: 4A30.55

Demo Title: Expansion & Contraction Demo - Expansion Tube

Condition: Good

Principle: Expansion & Contraction with Temperature Variation

Area of Study: Thermodynamics

Equipment: 

Thermal Expansion Demo (Copper Tubes, Stand, Hoses), Micrometer (Dial).

Procedure:

The only critical thing here is to get the micrometer situated so that it operates properly.  The dial can be moved to zero on the micrometer before starting the demo.  Hot water may be run through from the hot water line but boiling water poured in through a funnel is probably more effective.  With the thumbscrew you are able to fix one end of the tube at any length desired (1/2 or 1 meter, 1/2 or 1 yard).

References:

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  • Terrence P. Toepker, "A Disappearing Rod", AJP, Vol. 55, #2, Feb. 1987, p. 177.
  • "H-040: Metal Rod with Laser", DICK and RAE Physics Demo Notebook.
  • Freier and Anderson, "Ha-8", A Demonstration Handbook for Physics.
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  • Borislaw Bilash II and David Maiullo, "See It Grow", A Demo a Day: A Year of Physics Demonstrations, p. 228.
  • Jearl Walker, "4.53, Thermal Effects on Lengths", The Flying Circus of Physics Ed. 2, p. 200.
  • "Cool Hot Rod", Science Snackbook, p. 30.1 - 30.2.
  • Julius Sumner Miller, Q183 & A183, Millergrams II – Some More Enchanting Questions for Enquiring Minds, p. 49 & 102.
  • Joseph Frick, "# 346 - Expansion of Solids", Physical Technics: Or Practical Instructions for Making Experiments in Physics and the Construction of Physical Apparatus with the Most Limmited Means, p. 412.