The Science of Friction and Heat Quiz

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Questions and Answers

What does rubbing your hands together create?

Cold
Wind
Heat (correct)
Water

What causes more heat?

More friction (correct)
Less light
More light
Less friction

What happens when a ball is rolled on a smooth surface?

The ball bounces
The ball stops
The ball barely moves
The ball rolls easily (correct)

What happens when a ball is rolled on a rug?

The ball barely moves (C) Signup and view all the answers

What increases friction more than a smooth surface?

An uneven surface (A) Signup and view all the answers

Why does rolling a ball on a rug require more force than rolling it on a smooth surface?

Rolling a ball on a rug requires more force because the uneven surface of the rug increases friction, making it harder for the ball to roll smoothly. Signup and view all the answers