"bouteille de gaz"

Ball and Ring Apparatus demonstrates thermal expansion.

The Precision Linear Expansion Apparatus produces accurate determinations of the coefficient of expansion.

Effective Method of Showing Normally Invisible Currents

A useful set for density, specific heat and gravity.

Brass ball mounted on brass rod for thermal expansion experiments.

Bimetallic strips attached to wooden handle to study thermal energy.

Simple tool to explore the thermal properties of matter.

This is a classic example of thermodynamics in action.

Close-Up Cross Section.

Bimetallic strips attached to wood blocks to study thermal energy.