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What Is the Exposure Triangle?

If you’re coming to Wonderopolis today, you’d better say “Cheese!”

#2239

What Is the Exposure Triangle?

How Do Words Get Added To the Dictionary?

What’s the word in Wonderopolis? Meet some of the dictionary newbies and find out how they won their way into Webster.

#127

How Do Words Get Added To the Dictionary?

Which Bat Is Best?

Step up to the plate with us as we investigate baseball bats and celebrate the World Series Wonderopolis-style!

#25

Which Bat Is Best?

What Foods Bring Luck in the New Year?

Happy New Year! Let’s head to the kitchen to see what’s cooking today in Wonderopolis!

#455

What Foods Bring Luck in the New Year?

Why Is Pluto No Longer a Planet?

Poor Pluto! Put on your space suit and join us as we examine the sad tale of this once proud and now demoted dwarf planet.

#73

Why Is Pluto No Longer a Planet?

What Do You Call More Than One Moose?

One goose said to another, “We’re geese.” A moose overheard this and became very confused. Find out more today in Wonderopolis!

#413

What Do You Call More Than One Moose?

Who Invented Chocolate Chips?

Bring your appetite — we’re chomping into a wonder that’s a chip off the old block.

#33

Who Invented Chocolate Chips?

Are Frogs and Toads the Same?

Leap on over to Wonderopolis today and hang out at our pad. If you don’t, you’ll be green with envy. And we’ll say, “We toad you so!”

#188

Are Frogs and Toads the Same?

Do You Sleep at a Slumber Party?

Better get a good night’s sleep! Today’s Wonder of the Day might keep you awake all night!

#563

Do You Sleep at a Slumber Party?

How Did April Fools' Day Begin?

Today’s Wonder of the Day has been canceled because someone accidentally unplugged the Internet. We’re just kidding!

#180

How Did April Fools' Day Begin?

Why Is Sand Scratchy?

Grab your pail and shovel, and join us as Wonderopolis heads to the beach to learn more about the sand between our toes.

#64

Why Is Sand Scratchy?

How Big Is the Biggest Whale?

Dive in to learn about the world's largest mammal.

#42

How Big Is the Biggest Whale?

Do You Get Spooked Easily?

Today’s Wonder of the Day just might send a chill down your spine!

#752

Do You Get Spooked Easily?

How Do Fish Breathe Underwater?

Today we’re diving in to explore the watery world of fish.

#62

How Do Fish Breathe Underwater?

Who Came to the Boston Tea Party?

We’re throwing a party in Wonderopolis today! Tea anyone?

#619

Who Came to the Boston Tea Party?

Why Do I Burp?

Today’s Wonder of the Day might have you saying, “Excuse me!”

#49

Why Do I Burp?

What Does the Moon Do?

The moon has more pull on Earth than you might expect. Dive on in! This wonder is going to turn the tide of your mind.

#76

What Does the Moon Do?

Are You Handy When It Comes to Art?

You really have to hand it to today’s all-new, artsy Wonder of the Day!

#699

Are You Handy When It Comes to Art?

Why Do We Eat Turkey on Thanksgiving?

How did a particular feathered friend earn a place of honor at America’s most historic meal? Find out today in Wonderopolis!

#53

Why Do We Eat Turkey on Thanksgiving?

What Is Gibberish?

Today’s Wonder of the Day is a bunch of nonsense. Seriously! It’s full of a bunch of gobbledygook!

#256

What Is Gibberish?

Explore the World of Wonders

What Is the Exposure Triangle?

How Do Words Get Added To the Dictionary?

Which Bat Is Best?

What Foods Bring Luck in the New Year?

Why Is Pluto No Longer a Planet?

What Do You Call More Than One Moose?

Who Invented Chocolate Chips?

Are Frogs and Toads the Same?

Do You Sleep at a Slumber Party?

How Did April Fools' Day Begin?

Why Is Sand Scratchy?

How Big Is the Biggest Whale?

Do You Get Spooked Easily?

How Do Fish Breathe Underwater?

Who Came to the Boston Tea Party?

Why Do I Burp?

What Does the Moon Do?

Are You Handy When It Comes to Art?

Why Do We Eat Turkey on Thanksgiving?

What Is Gibberish?

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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