Ball and Ring Apparatus demonstrates thermal expansion.
- If Heated, the Brass Ball Can't Pass through the Ring
- Wooden Handle Holds Ball and Ring
- Ball and Ring Both Measure 8½" in Length
- Apparatus Demonstrates Thermal Expansion
A brass ball passes through a ring when both are at the same temperature. When the ball is heated, it can't pass.
Both the ball and the ring are mounted on a wooden handle and are 8½" long.