Explore Wonders | Tag: coil | Wonderopolis

Explore Wonders | Tag: coil | Wonderopolis

Wonderopolis

How Does a Traffic Light Work?

Today’s Wonder of the Day is what you get when you mix red, yellow, and green!

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How Does a Traffic Light Work?
How Do Refrigerators Work?

Today’s Wonder of the Day is one of our coolest ever!

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How Do Refrigerators Work?
What Is a Transformer?

Today’s Wonder of the Day is all about change!

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What Is a Transformer?
How Does a Plasma Ball Work?

We hope you’ll join us for today’s electrifying Wonder of the Day!

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How Does a Plasma Ball Work?
How Does a Doorbell Work?

Today’s Wonder of the Day might have you saying, “Who’s there?”

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How Does a Doorbell Work?