Pyrometer Linear Expansion Demonstration with Aluminum, Brass, and Iron Bars Chemistry Hand-cranked 4-stroke gasoline engine model

Hand-cranked 4-stroke gasoline engine model at 13

Converts rotation into linear reciprocating motion through a crank-slider linkage

Life-size liver model with attached gall bladder shows hepatic lobes

providing a high-density bob for pendulum and collision-momentum student investigations

Illustrates high blood pressure effects across brain

Pyrometer Linear Expansion Demonstration with Aluminum, Brass, and Iron Bars Chemistry Hand-cranked 4-stroke gasoline engine modelMetal based linear expansion apparatus with a large dial indicator and three 10 inch rods in aluminum, brass, and iron, letting students quantify expansion coefficients side by side.