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PIRA Code(s)
4A30.20
Set up time
2 minutes
Physics and Science Concepts
Thermodynamics, Thermal Properties of Matter, Thermal Expansion
Operation
Try putting the ring around the ball. At room temperature the ring is slightly larger than the ball. Heat the ball over a Bunsen burner and it will no longer fit through the ring.
Safety
Use caution when using a Bunsen burner. The Bunsen burner is not included in the experiment.

Ball and Ring