Ball & Ring Apparatus

  • 12 Units in Stock
  • Model: SO-3226
  • Shipping Weight: 1lbs
$8.50

A Classic Demonstration 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!