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.
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