Wonderopolis

What Is a Supernova?

Today’s Wonder of the Day isn’t just super...it’s a supernova! Join us for a journey through outer space to see what happens when stars run out of fuel.

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What Is a Supernova?
How Does a Submarine Work?

You don’t have to go 20,000 leagues under the sea to experience life on a submarine. Just head over to Wonderopolis and let’s dive in!

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How Does a Submarine Work?
What Are Stars Made of?

Today’s Wonder of the Day takes a closer look inside the brightest lights in our galaxy!

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What Are Stars Made of?
How Is Steel Made?

You don’t have to be Superman to appreciate the strength of the material at the heart of today’s Wonder of the Day!

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How Is Steel Made?
What Is Inside an Atom?

Look closely! Today’s Wonder of the Day takes a peek inside the tiniest pieces of matter!

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What Is Inside an Atom?
What Are You Made of?

You’re the star of today’s Wonder of the Day!

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What Are You Made of?
What Is on the Periodic Table?

We believe you’ll find today’s Wonder of the Day quite element-ary!

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What Is on the Periodic Table?
What Are Hockey Pucks Made of?

Today’s cool Wonder of the Day is on thin ice!

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What Are Hockey Pucks Made of?
Why Do We Need To Breathe?

Today’s Wonder of the Day is a real breath of fresh air!

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Why Do We Need To Breathe?
What Kind of Pencil Is Your Favorite?

Sometimes today's Wonder of the Day is sharp, but other times it doesn't have any point!

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What Kind of Pencil Is Your Favorite?
How Do Scientists Know How Old Ancient Bones Are?

Today’s Wonder of the Day has been millions of years in the making!

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How Do Scientists Know How Old Ancient Bones Are?
What Is Fertilizer?

We believe today’s Wonder of the Day will really grow on you!

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What Is Fertilizer?
Who Decomposes the Decomposers?

Join us in Wonderopolis today for a look at the bottom of the food chain!

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Who Decomposes the Decomposers?
What Is the Space Needle?

Today’s Wonder of the Day features one of the sharpest landmarks in the Pacific Northwest!

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What Is the Space Needle?
Do Trees Get Scared?

Watch out! Today’s Wonder of the Day may scare you stiff.

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Do Trees Get Scared?
Where Can You Find Fossils?

Today’s Wonder of the Day was once alive, but is now hard as a rock!

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Where Can You Find Fossils?
What Are Fossil Fuels?

Today’s Wonder of the Day is a real gas!

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What Are Fossil Fuels?
What Is Gasoline Made of?

We believe you’ll think today’s Wonder of the Day is a real gas!

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What Is Gasoline Made of?
How Does Carbon Paper Work?

We hope you enjoy today’s old-school Wonder of the Day!

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How Does Carbon Paper Work?
Why Do Things Melt When They Get Hot?

Be careful! Today’s Wonder of the Day is red hot!

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Why Do Things Melt When They Get Hot?

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