Why Do Some Things Rust?H ave you ever seen a very old car? How about an old metal key or set of tools? Maybe you’ve seen an old bicycle lying around. If any of these things have been abandoned and ...

Have You Ever Wondered... Does temperature affect the bounce of a ball? Will a ball bounce higher in hot or cold weather? What sports are affected by changes in temperature?

Have You Ever Wondered... What is four-wheel drive? What's the difference between front-wheel and rear-wheel drive? How did the Jeep get its name?

Do you have a new spring in your step today? Join us in Wonderopolis as we explore the science behind the vernal equinox!

Do Dogs Really Eat Homework?Y ou have a big, important homework assignment due tomorrow, but you're not stressed. You made good use of your study time at school and completed over half of it. When you ...

Do Cats Really Have Nine Lives?H ave you ever heard someone say that cats have nine lives? What's up with that? Is it true? If so, who keeps count? To the relief of dogs everywhere, we can say without ...

Today’s Wonder of the Day was inspired by Rebecca from AL. Rebecca Wonders, “ who created school? ” Thanks for WONDERing with us, Rebecca!

What do you get when you combine marshmallows, chocolate, and graham crackers? Today’s tasty Wonder of the Day will leave you wanting s’more!

Have You Ever Wondered... What would Earth be like without the Sun? What would happen to Earth if the Sun suddenly disappeared? How long could humans survive on Earth if the Sun went out?

Who Invented Money?Try It Out We hope you had fun learning about the history of money! Learn even more when you check out the following activities with a friend or family member: Show me the money!

It’s time to get in the zone… the time zone! Today in Wonderopolis we’re exploring why clocks say different things in different places.

Try It Out Using the information in today's wonder, estimate how much blood is in your body. Find a 2-liter or gallon container and then use it to fill another larger container with a red liquid to ...