Physics Demo Manual

Demonstrations are cataloged according to PIRA Bibliography

PLEASE REQUEST DEMOS WELL IN ADVANCE

Due to Physics Building renovations, the lead time to set up demo requests has increased due to the need to transport equipment across campus. Please be kind and let me know well ahead of time what you need.

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Mechanics
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Thermal Properties Of Matter
Heat And The First Law: Calorimeter; Heat Capacity using Wax and metal Balls; video - Convection Box; Convection Chimney; Chimney with Vane; video - Heat Conduction; video - Thermal Conductivity; video - Light The Match; Leslie Cube; Boiling Water in a Paper Cup; Steam Gun; video - Fire Syringe; Jug O' Air
Change Of State
Kinetic Theory
Gas Law
Entropy And The Second Law

Heat Capacity using Wax and metal Balls

Purpose:

To demonstrate heat capacity of different metals.

Procedure:

Equal volume balls made of Aluminum, Lead, Brass and Steel, are mounted on a holder. Balls are heated to the same temperature by dipping them in a beaker with boiling water. Heated balls are placed on paraffin sheet, as shown. They melt completely through the paraffin, or only partially to different depths proportional to their heat capacity.