• What's so super about Super Bowl Sunday?
  • What is the most-viewed program in television history?
  • How much does Super Bowl commercial airtime cost?
Find it out

Approximately how much was a 30-second commercial during the Super Bowl in 2015?

Test your knowledge
  • What happens if you don't brush your teeth?
  • Who invented the toothbrush?
  • How did people brush their teeth before toothbrushes?
Find it out

When bacteria break down leftover sugar, what is formed?

Test your knowledge
  • How are rocks made?
  • What are the different types of rocks?
  • Can a rock change from one type to another?
Find it out

Which of the following is NOT one of the three types of rocks?

Test your knowledge
  • Why do people get headaches from certain scents?
  • Can "unscented" products still cause headaches?
  • How can you treat scent-related headaches?
Find it out

Is it possible to get a headache from a product that is unscented?

Test your knowledge
  • When was the toothbrush invented?
  • Who invented the toothbrush?
  • What types of bristles were used on the earliest toothbrushes?
Find it out

Brushing teeth didn’t become a widespread practice in the United States until after what?

Test your knowledge
  • Who decomposes the decomposers?
  • What is a detritivore?
  • What natural process do decomposers help carry out?
Find it out

Which of the following is NOT an example of a decomposer?

Test your knowledge
  • What is surface tension?
  • Which forces are responsible for surface tension?
  • What are some examples of surface tension?
Find it out

Which forces make water molecules tend to stick together, resulting in surface tension?

Test your knowledge

What Are You Wondering?

Join in the Wonder Creation

Make YOUR wonder a wonderful reality!


...Questions in the Wonder Bank and counting! Here are the latest...

Latest from the Wonder Bank

  • why do people call the super bowl the super bowl?
    Daniel Jaramillo
    Published as Wonder of the Day #126
  • What is the new planet called the new 9th planet
    kate froelich
  • how many plantets are in the whole universe
    kate froelich
  • Why is wonderopolis so wonerful
    Joshua Mattingly
  • WhY do dogs bark
    Mak Vesnic
  • What is The Land of the Midnight Sun?
    Tanisha Copas
  • how much time live a fly
    marikza rangel
  • How many people are there in the world?
    Bryce winters
  • why where boys invented
    rebecca guzman
  • Do fish drink water?
    Kristy Rangel
  • Why is technology so important
    Lilly Hanke
  • what causes air
    oscar nango
  • why do we wonder things
    julia davis
  • why do you dream
    savana rosado
  • what is the biggest toilet
    jesus ulloa
  • why are some people deaf and mute
    isabella torres
  • Can a person sleep under the covers and survive?
    Annie McNamara
  • why do we solr our slava
    chris ruiz
  • Why are some dogs mean and some nice?
    Kyla Hanson
  • why do we work 40 hour weeks
    Cheryl Tyrrell
  • how do you stick to a wall when something spins really really fast like the gravitron
    Evan Schelke
  • how is blood blue on the inside but red when it comes out
    Evan Schelke
  • What is a lucid dream?
    Brett Hunt
  • Why are some dogs friendly and some not?
    Kyla Hanson
  • why most of the world water
    isabella torres
  • how do animals breathe underwater
    Joshua Williams
  • How does a controller (like on a X-box One) work
    Caleb Long
  • are eyebrows considered facial hair
    emily k
  • what is tyhe biggest car one earth
    angelique villalta
  • the tallest person on earth
    abigail gallegos
View all questions in the Wonder Bank

Top Nominated Wonder Questions:

  • +1222

    How do you get into a bad habit?

    Aeden DeGraw

  • +1219

    What makes the ocean blue when water is clear?

    Ana Brossette

  • +1153

    Why does at low atomic pressure water boils faster?

    pradyumna behera

  • +1131

    What will school be like in the future?

    Meghan Pohl

  • +1052

    how was water created


  • +1017

    Why is light sometimes colourful

Vote for wonder nominees

Where are You Wondering?

Discover Wonder Hotspots nearby and join!


Wonder Guides

Hankins Family

Woodland Litter Critters ABC by Patience Mason

Books friends are the very best friends.Just a week ago, my good book friend introduced me to Patience Mason as Teri knows of my interest in ABC books, particularly when teaching classification as a rhetorical mode (a post for anot

Edwards Family

Is it raining resources?

Since it is raining outside today, I decided to go to one of my favorite resource sites to do a search for “rain” to see what I could find!The resources and ideas just flooded in …A few of them were the ones I expected …But some were so much more …Here are just a few of the many resources found when I searched 

Edwards Family

What did you do today that your students will remember?

While I was attending the NCFL Conference, someone asked me if I knew the Wonder of the Day from Wonderopolis that day ….I had to sadly admit that I did not know …But I quickly found out:While in a 4th grade classroom today, I gave an instruction to students getting


Explore the World of Wonders

Discover the latest Wonders from ARTS & CULTURE: airtime, commercial, statistics, Super Bowl, Entertainment, Sports, and more

Image #23

Who Painted the Sistine Chapel?

What would you do if someone asked you to spend the next four years working with your arms raised above your head? Sound like a form of medieval torture…

Image #27

What Would You Do on a Staycation?

You don't have to travel to an exotic land or make reservations at a fancy hotel to take your family on an overnight getaway once the weekend rolls around…

Image #14

Why Does Jell-O Jiggle?

Over the course of his life, Peter Cooper built a very diverse resume. A former presidential candidate and designer of the first steam locomotive, Cooper also held the first …

Image #15

What Is Your Secret Superhero Identity?

View the "Try it out" section.…

Wonder Stream

Spread the Joy of Wonder

Wonderopolis Widget

Interested in sharing Wonderopolis® every day? Want to add a little wonder to your website? Help spread the wonder of families learning together.

Add widget

Spread the Joy of Wonder

Wonderopolis Widget

Interested in sharing Wonderopolis® every day? Want to add a little wonder to your website? Help spread the wonder of families learning together.

Add widget