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GSC Go Science Crazy Ball and Ring Metal Expansion Demonstration

Demonstrates the principles of the expansion of metals. The GSC International Ball and Ring Metal Expansion Demonstration provides a simple and economical visual mechanism for explaining this concept. This demonstration is designed for use in classroom applications.

Supplier:  GSC Go Science Crazy 41980110

Catalog No. S13643

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Intended for ages 13 and up.

Includes: Ball; Ring; Instructions



  • Provides a visible demonstration of the principles of the expansion of metals
  • When the ball is heated it will not pass through the ring, but when cooled the ball passes through the ring freely
  • Ball and ring are mounted on insulated acrylic handles to protect the user's hands from the heat
  • Instructions are included


Demonstrating the expansion of metals


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