Demonstrate the Laws of Thermodynamics
This brass ball fits easily through the matching ring when they are both at room temperature. Heat the ball in a flame, and it expands so that it no longer fits through. Challenge your students to predict what will happen if you heat the ring instead!
Hint: Think about enlarging a photograph.
With the ball and ring comes a data sheet that provides instructions and an explanation of the properties at work in this experiment. The data sheet also includes a list of related products to help with this experiment and other lessons on temperature change, thermal expansion and the laws of thermodynamics.
Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.
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