Wonderopolis

Why Is the Grass Wet In the Morning?

Will you come visit us in Wonderopolis today? We hope you dew!

#279

Why Is the Grass Wet In the Morning?
Where Is the World’s Largest Cave?

Today’s Wonder of the Day is larger than you can imagine!

#2163

Where Is the World’s Largest Cave?
Why Is the Internet Shutting Down?

You’d better visit Wonderopolis today before it’s gone for good!

#1885

Why Is the Internet Shutting Down?
Why Do You See Your Breath When It’s Cold?

Brrr! A cold front is moving through Wonderopolis today. Better bring a sweater!

#471

Why Do You See Your Breath When It’s Cold?
Where Is the Oort Cloud?

We believe you’ll think today’s Wonder of the Day is out of this world!

#1830

Where Is the Oort Cloud?
What Is a Fire Cloud?

Today’s forecast calls for a Wonder of the Day that’s partly cloudy and partly…smoky?

#1825

What Is a Fire Cloud?
How Much Can the Temperature Swing in a Single Day?

Join us in Wonderopolis today for a cool new Wonder of the Day that’s hot stuff!

#1685

How Much Can the Temperature Swing in a Single Day?
What Is a Sun Dog?

Today’s Wonder of the Day might have you howling…but it won’t be at the Moon!

#1665

What Is a Sun Dog?
What Is a Solar Storm?

It’s going to be stormy and sunny in Wonderopolis today!

#873

What Is a Solar Storm?
What Is Thundersnow?

Today’s Wonder of the Day features some weird and wacky weather!

#1579

What Is Thundersnow?
Is It Always Calm Before a Storm?

Today’s Wonder of the Day might make you feel calm…or not!

#738

Is It Always Calm Before a Storm?
Why Do Airplanes Leave Tracks In the Sky?

What’s that? Up there in the sky! It looks a bit like a cloud. Find out more today in Wonderopolis!

#265

Why Do Airplanes Leave Tracks In the Sky?
Where Is the Eye of the Hurricane?

What has an eye but doesn’t see? Find out today in Wonderopolis!

#1454

Where Is the Eye of the Hurricane?
Why Does It Hail?

What’s that stuff falling from the sky? Watch out! It’s today’s Wonder of the Day!

#287

Why Does It Hail?
How Do Clouds Form?

Today’s Wonder of the Day is way up high in the sky!

#1413

How Do Clouds Form?
Why Can You See a Rainbow in Bubbles?

You’ll see a rainbow today in Wonderopolis even if it’s not raining!

#1416

Why Can You See a Rainbow in Bubbles?
What's the Difference Between Snow, Sleet, and Freezing Rain?

There’s a winter weather alert in Wonderopolis! The weatherman is predicting a lesson on snow, sleet, and freezing rain.

#97

What's the Difference Between Snow, Sleet, and Freezing Rain?
Why Are All Snowflakes Different?

Put on your mittens! Grab your scarf! Today’s wonder is going to let it snow! Let it snow! Let it snow!

#79

Why Are All Snowflakes Different?
What Is a Lenticular Cloud?

Today’s wispy Wonder of the Day is way up high in the sky!

#591

What Is a Lenticular Cloud?
What Happens When Lightning Strikes a Tree?

Today’s Wonder of the Day is really, really shocking!

#1161

What Happens When Lightning Strikes a Tree?

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