Ball and Ring Apparatus

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.