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American Educational

American Educational Ball and Ring Demonstrating Thermal Expansion -

$19.99 $24.99

American Educational Ball and Ring Demonstrating Thermal Expansion

  • Brand: American Educational
  • The unit demonstrates the expansion of metal when heated and its contraction when cooled
  • When either the ball or ring is heated, the ball will not pass through the ring
  • When cooled, however, the ball will pass through the ring freely
  • The ball and ring are mounted on insulated wooden handles to protect hands from the heat
  • Condition: New
  • Purchase Contains: One Thermal Expansion Set
  • Model: 7-198-A-RT
  • Packaging: Retail
  • Return Policy: 30 Days

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