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Someone put each of these on a machine and squished
them. Which one do you think will break first?
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Check out what happens! Scientists test sports equipment
like this to make sure they won’t break in a game!
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This is a factory where people make a certain kind
of sports equipment. Can you figure out what?
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These are hockey pucks! They’re made using
rubber that gets cut and pressed into shape.
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When basketball players started doing slam dunks, they
sometimes broke the entire hoop! This was dangerous!
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People had to invent a new type of basketball rim that
wouldn’t break! Any ideas for what they could invent?
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They invented rims that can be pulled down and
spring back up! Now the whole hoop won't break!
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Check it out! When you bounce a ball, the ball jiggles
and flattens out a little—but it springs back to normal…
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But if you hit it harder—whoa—the ball flattens out! Do
you think a golf ball would flatten out when hit? Why?
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Here’s one hitting steel! That’s crazy—even though golf
balls are harder than tennis balls, they still flatten out!
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What do you think is inside a golf ball? Is the inside hard,
soft, something else? Why do you think that?
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There’s rubber inside! BUT golf balls actually used
to look different inside. Can you guess how?
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Whoa! They used to use strips of rubber, like rubber
bands! Rubber is so springy that it explodes out.
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Voting for this episode is now closed. Would you like to vote on the most recent poll?
We pulled three questions from our jar. Which question do you want to explore?
-
Do trees sleep?
-Miles, 2nd Grade
-
Why do chameleons change color?
-Iva, 1st Grade
-
Who invented chairs?
-Ximena, 5th Grade
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Who invented football?
Watch the video to discover the answer and don't forget to vote for next week's question. There are mysteries all around us. Have fun and stay curious!
