Steve Spangler plays a sneaky trick on Mark by giving him a rubber ball that doesn't bounce! Video viewers learn that different types of rubber have different properties. Show this in your physical science unit when teaching the...

Here is a 14 minute episode of Elmo's World that focuses on balls. He talks to Dorothy the fish, shows clips of things people do with balls, and talks to kids about playing with balls. Tip: Tell your young learners that verbs are action...

Don't drop the ball—use a unique resource to teach your class even more about pi! Given a situation about balls bouncing off each other, viewers see how many bounces it takes for the larger ball to move in the other direction. This...

That's the way the ball bounces ... or does it? An episode of a physics playlist examines the behavior of different types of balls when kicked. Learners experience the magnus effect as they watch while one ball curves to the...

There's no match for a helpful lesson about pi. Viewers of a video in the Numberphile "Pi" series watch as the narrator tries out the Buffon needle experiment with matches. The video explains how pi relates to the probability...

What distinguishes the visual rhythm of a golf, rubber, beach, and bowling ball? Explore the two fundamental principles—timing and spacing—of animation, as well as a variety of other features to consider when discussing the overall...

We know stars are giant balls of plasma, so why are they drawn as pointy star shapes? The video solves this mystery through an explanation of how lenses work both in our eyes and in telescopes. It also discusses the proper way to color a...

Listen to the beautiful musical compositions of ... pi? Pupils watch a video in the Numberphile "Pi" series that explains how people can use pi to compose a musical score. The video portrays a guitarist playing the first few notes of the...