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What Makes Popcorn Pop?

Butter? Check! Salt? Check! Movie? Check! Now what are we missing…? Visit Wonderopolis today to find out!

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What Makes Popcorn Pop?

Why Do Some People Need Glasses?

Today’s Wonder of the Day is creating a spectacle in Wonderopolis. Why don’t you join us? It’d be so nice to see you.

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Why Do Some People Need Glasses?

What’s Your Zodiac Sign?

Today’s Wonder of the Day will have you looking toward the heavens for a sign!

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What’s Your Zodiac Sign?

When Is the Winter Solstice?

Join us in Wonderopolis today as we greet a new season!

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When Is the Winter Solstice?

Who Was Alexander the Great?

Today’s Wonder of the Day may be one of the greatest ever written!

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Who Was Alexander the Great?

What Is a Volcano?

We’re about to erupt with excitement. Join us in Wonderopolis today for a Wonder of the Day that will blow your top!

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What Is a Volcano?

How Is a $1 Bill Made?

Don’t pass the buck. Head directly to Wonderopolis for a wonder that makes a lot of cents (a hundred of them, to be exact)!

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How Is a $1 Bill Made?

Why Do You Need To Wash Your Hands?

Lather, rinse, repeat! Lather, rinse, repeat! Clean hands are the focus of today’s sparkly, shiny Wonder of the Day!

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Why Do You Need To Wash Your Hands?

How Many Hot Dogs Can You Eat In 10 Minutes?

We sure hope you’re hungry. Today’s Wonder of the Day is sure to fill you up!

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How Many Hot Dogs Can You Eat In 10 Minutes?

Who Is Sandra Cisneros?

Learn about a talented author in today’s Wonder of the Day!

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Who Is Sandra Cisneros?

Why Is Sand or Salt Put On Roads When It Snows?

You may want to take today’s Wonder of the Day with a grain of salt. It won’t break the ice, but it will melt it!

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Why Is Sand or Salt Put On Roads When It Snows?

Have You Ever Played Racquetball?

Today’s Wonder of the Day is making quite the RACQUET!

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Have You Ever Played Racquetball?

How Can Dogs Hear Things We Can’t?

Have you ever wondered how dogs can hear things we can’t? Let’s find out what makes man’s best friend such a good listener.

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How Can Dogs Hear Things We Can’t?

Who Invented Blue Jeans?

No shirt, no shoes, no service. Well, pants shouldn’t be optional either! Join us in Wonderopolis today for a lesson about dynamite denim!

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Who Invented Blue Jeans?

How Many Stairs Can You Climb?

Step right up! You’re sure to enjoy today’s Wonder of the Day!

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How Many Stairs Can You Climb?

What Is the Giant Magellan Telescope?

If you’re joining us in Wonderopolis today, set your sights on the stars!

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What Is the Giant Magellan Telescope?

Are Naps Good for the Human Body?

Be sure to get some good shut-eye before you read today’s Wonder of the Day!

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Are Naps Good for the Human Body?

Why Do Sidewalks Have Lines?

Today’s Wonder of the Day will be a walk in the park if you stay between the lines!

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Why Do Sidewalks Have Lines?

Who Was Sigmund Freud?

You may want to relax on the couch as you enjoy today’s Wonder of the Day!

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Who Was Sigmund Freud?

How Many Cars Are on the Road at One Time?

Today’s Wonder of the Day really has us stuck in a jam!

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How Many Cars Are on the Road at One Time?

Explore the World of Wonders

What Makes Popcorn Pop?

Why Do Some People Need Glasses?

What’s Your Zodiac Sign?

When Is the Winter Solstice?

Who Was Alexander the Great?

What Is a Volcano?

How Is a $1 Bill Made?

Why Do You Need To Wash Your Hands?

How Many Hot Dogs Can You Eat In 10 Minutes?

Who Is Sandra Cisneros?

Why Is Sand or Salt Put On Roads When It Snows?

Have You Ever Played Racquetball?

How Can Dogs Hear Things We Can’t?

Who Invented Blue Jeans?

How Many Stairs Can You Climb?

What Is the Giant Magellan Telescope?

Are Naps Good for the Human Body?

Why Do Sidewalks Have Lines?

Who Was Sigmund Freud?

How Many Cars Are on the Road at One Time?

SCIENCE 1252 Wonders

MATH 51 Wonders

SOCIAL STUDIES 643 Wonders

LANGUAGE ARTS 162 Wonders

TECHNOLOGY 292 Wonders

ARTS & CULTURE 565 Wonders

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