Wonderopolis

What Is a Spit Valve?

We don’t mean to toot our own horn, but we think today’s Wonder of the Day will be music to your ears.

#399

What Is a Spit Valve?
Do Jitterbugs Bite?

Dance on over to Wonderopolis today for a Wonder we hope won’t bug you too much!

#524

Do Jitterbugs Bite?
Why Do Pianos Have 88 Keys?

Today’s Wonder of the Day is all about the ebonies and the ivories!

#1142

Why Do Pianos Have 88 Keys?
What’s the Biggest Marching Band?

We don’t mean to toot our own horn, but we believe you’ll love today’s Wonder of the Day!

#1041

What’s the Biggest Marching Band?
Why Do Orchestras Need So Many People?

Tune in to a wonder that will be music to your ears. Wonderopolis is alive with the sound of music!

#69

Why Do Orchestras Need So Many People?