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
Fluid Mechanics
Oscillations And Waves
Thermodynamics
Electricity And Magnetism
Optics
Modern Physics
Audio-Visual
New or Modified Entries (within the last month)

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Thermal Properties Of Matter
Heat And The First Law
Change Of State
Kinetic Theory
Gas Law
Entropy And The Second Law: video - Reversible and Irreversible Processes; video - Stirling Engine; video - Steam Engine; Heat Engines

Heat Engines

Purpose:

To illustrate the 'heat engine' principle.

Procedure:

To facilitate evaporation, fill beaker with a solution of 75% water and 25% methanol. However, straight water works just fine. Dip Mr. Duck's head into the solution and let him continue on his own as he is always very thirsty. The heat engine bulbs work in the same manner.
Pasco heat engine model requires two reservoirs (boiling water and ice water). Dip the cylinder into ice water and then into boiling water to lift a weight sitting on top of the piston.

Equipment:

1 250 ml. Beaker
Dipping Duck Toy
Heat Engine Bulbs