Identifier Title Demo Summary
T: H - 034 Fire Piston

Swift action of the plunger in an air-tight piston causes a tiny bit of cotton to immediately ignite

Two fire pistons, a cotton swab, and some cotton
T: H - 035 Pipe Pops its Cork due to Heating

Friction generated between wooden slats and a metal pipe causes water inside the pipe to vaporize, thus blowing the stopper out of the end.

A wheel, a motor with an attached pipe, 2 allen wrenches, and hinged wooden slats
T: H - 036 Hero's Engine
T: H - 037 Gas Model
T: H - 038 Dipping Duck

A duck dips into a glass of water continuously.

Dipping duck and a small beaker
T: H - 039 Models of Steam and Gasoline Engines

Two cut-away locomotive engines are available for display

Two cut-away locomotive engines
T: H - 040 Solid Phase Heat Engine
T: H - 042 Triple Point of Liquid Nitrogen

Nitrogen exists at a solid, liquid and gas at the same time.

Triple Point Apparatus
T: H - 043 Boyle's Law with Syringes

Syringes with weights are used to demonstrate Boyle's Law.

1-kg mass atop a piston made from a syringe and wood blocks; an extra weight rests nearby
T: H - 044 Thermoelectric Converter

A fan is powered entirely by differences in temperature between 2 beakers of water.

Thermoelectric converter rests in a beaker of hot water and cold water.
T: H - 047 Stirling Cycle Heat Engine

Stirling Cycle Engine (working model + cutaway)

Stirling Cycle Engine
T: H - 048 Holding a Test Tube of Boiling Water

A test tube of water is held near the bottom while the top is tilted into the flame of a bunsen burner.

Test Tube of Water, Bunsen Burner, Striker
T: H - 049 Thermobile
T: H - 050 Elasticity of Rubber

A stretched rubber band will contract when heated.

Mounted Ruler, Rubber Band with 1-kg mass attached, heat gun being used on the rubber band
T: H - 051 Steel Wool and Liquid Oxygen

Steel wool immersed in liquid oxygen will easily catch fire

Liquid oxygen, steel wool, tongs, beaker
T: H - 052 Bimetallic Strips with Light Bulbs

A bimetallic strip is used to light one of 2 bulbs, depending on which direction it bends when it is heated.

Light bulb and bimetallic strip apparatus
T: H - 053 Diatomic Model

A ball and stick model of a diatomic atom

2 tennis balls on the ends of a stick; 2 power balls on the ends of a small stick