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Learners explore the concepts of equilibrium and center of mass by seeing how non-symmetrical objects balance.

1 cent - $1 per student Ages 11 - 18 10 to 30 minutes
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In this demonstration, learners watch as a device drops a ball into a cup without touching the ball or cup, even though the ball and cup are virtually side-by-side.

$10 - $20 per group Ages 11 - 18 5 to 10 minutes