In this apparatus, a ball fits easily through the matching ring when they are both at room temperature. However, when the the ball is heated in a flame, thermal expansion causes the ball to not be able to fit through the ring.
SIUE STEM Resource Center
https://stemcenter.siue.edu
Southern Illinois University Edwardsvillehttps://stemcenter.siue.edu
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Edwardsville, IL, 62026
USA
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