Login or Register

800.334.5551

Happy and Sad Balls

$9.65
(in stock)

Description

Bounce 2 seemingly identical balls. One bounces but the other doesn't. Challenge students to figure out why. Great discrepant event demonstration for momentum, collision, and energy conservation studies. Instructions and activities included.

Specifications

Return Policy:

This product is backed by our 100% Satisfaction Guarantee. If for any reason you are not satisfied with any item, you may return it for a replacement, a refund, or credit. Read more about our Return and Exchange Policy  »

Reviews

Questions & Answers