• Are pennies lucky?
  • Is it bad luck to pick up a penny that's tails-up?
  • Should the United States stop making pennies?
Find it out

Pennies are made mostly of what metal?

Test your knowledge
  • Is it always calm before a storm?
  • Do all storms behave the same way?
  • What should you do to stay safe in a storm?
Find it out

This Wonder was mostly about...

Test your knowledge
  • How big do cats get?
  • What species are considered big cats?
  • What makes big cats unique?
Find it out

Which big cat’s name comes from a Native American word that means “he who kills with one leap”?

Test your knowledge
  • Why does reading make you sleepy?
  • Is reading hard on the eyes?
  • How can you stay awake when reading?
Find it out

Which of the following methods will NOT likely help you stay awake longer when reading?

Test your knowledge
  • Why is a dog man's best friend?
  • Who coined the phrase "a dog is a man's best friend"?
  • What qualities do dogs possess that make them such good friends?
Find it out

Dogs share 99% of their DNA with which other animal?

Test your knowledge

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

Latest from the Wonder Bank

  • Who Is Brittany?
  • how are hot dogs made
  • What is sign language?
  • who invented math
  • Who was Jonny depp
  • Can you prevent the Carona Viris?
  • how did people name things?
  • robot/how to make one
  • fennece foxes
  • Why do we need to breath to survive
  • I wonder who made wonderopolis
  • Is food edible?
  • How did they host all of these games
  • Why do cats not listen to their owners?
  • why does th earth have gravity
  • why is hot water foggy
  • Arcitc fox
  • How was the solar system created?
  • how do i live
  • what is live
  • what is 1 +1
  • how do we speak
  • what came first the chicken or the egg
  • Where did fast food come from?
  • I wonder how much people play pickle ball
  • How do we get your last names?
  • Why are there no brown flowers
  • how are words made?
  • why are there no green flowers?
  • Who was he first person to ever murder someone?
View all questions in the Wonder Bank

Top Nominated Wonder Questions:

  • +58

    Why do Olympians bite their medals?

    Sam — Glen Allen, VA

  • +50

    What causes blindness?

    Katherine — Owatonna, MN

  • +46

    How does weeds grow?

    Rafiul — Sydney, AL

  • +38

    How many animals are on earth?

    helaina — clearwater, FL

  • +35

    Why does a slinky get tangled so easily and is so hard to untangle?

    Terry — Garner, NC

  • +34

    Why do we procrastinate?


Vote for wonder nominees

Explore the World of Wonders

Discover the latest Wonders from SOCIAL STUDIES: bad, belief, cent, coin, copper, counting, and more

Wonderopolis #4

Are You a Good Observer?

Have you ever had a friend claim that he can't see the forest for the trees? If so, you may have WONDERed what this curious phrase means. If you can see the trees, how can you not see the forest?

Wonderopolis #10

Can You Travel the World Without Leaving Home?

Have you ever WONDERed what it's like to ride on a dog sled in the Arctic? Or dance the Flamenco in Spain? There are so many places to WONDER about in this great big world, and there are lots ways to...

Wonderopolis #2

How Do Streets Get Their Names?

When you hear Broadway, Abbey Road, and Bourbon Street, what comes to mind? Bright lights? The Beatles? Mardi Gras? They are some of the most recognizable streets in the world, and though you may neve...

Wonderopolis #22

How Can Spare Change Make a Big Difference?

Many children are already involved in fundraising through their schools, scouts and churches, but bringing philanthropy into the home makes giving back to your community a whole-family effort.

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