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Thermal Bar Breaker

  
Product NameSKUPriceQty
FUNdamentals of Physics Demonstration Thermal Bar Breaker
WW01808M48
 $67.80 
Essential Physics Demo: Thermal Bar Breaker, Replacement Bars, Pkg. 10
WW01808M49
 $8.60 




Product Information

Provide a visual for students on the topics of thermal expansion and contraction. A threaded steel bar in two slots is held in place by a heavy cast iron frame. Insert the cast iron bar on one end of the steel bar and a tightening nut on the other. When you apply heat to the steel bar, with either a bunsen burner or blow torch, students will be able to see the iron bar come loose from its place. Once the bar is allowed to cool and the tightening nut is turned, the force of the contraction will break the iron bar. Ten steel bars are included.


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