Ball and Ring Expansion
Materials
2
Difficulty
1
Safety
2
A ball and ring kit contains a metal ball that just doesn't fit through a ring. Heating the ring or cooling the ball in liquid nitrogen allows it to fit.
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NotesBall and ring kits can be bought through laboratory suppliers.
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Web Linksbuphy.bu.edu/~duffy/thermo/4A30_21.htmlAuthor : BU PhysicsDescription :
www.physics.usyd.edu.au/super/therm/tpteacher/demos/ballring.htmlAuthor : The University of SydneyDescription : -
Videoswww.youtube.com/watch?v=MXk57NIM3w8Author : IPS Science DepartmentDescription :
www.youtube.com/watch?v=QNoE5IoRheQAuthor : NCSSMDistanceEdDescription :
www.youtube.com/watch?v=OSgrwivwCZEAuthor : NormandinEduDescription : -
PublicationsSutton, "Demonstration Experiments in Physics", H-15, page 198.
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