Wonderopolis
  • What is hemophilia?
  • What causes hemophilia?
  • What is the treatment for hemophilia?
Find it out

In a person with hemophilia, an issue with genes on the X chromosome can result in a lack of _____________.

Test your knowledge
  • Who was Duke Ellington?
  • What kind of music was Duke Ellington known for?
  • What made Duke Ellington’s music unique?
Find it out

What was the main idea of this Wonder?

Test your knowledge
  • Why do bath bombs fizz?
  • What are bath bombs made from?
  • What are shower bombs?
Find it out

Which two ingredients in bath bombs interact to cause a fizzing effect?

Test your knowledge
  • Who were the Knights Templar?
  • What did the Knights Templar do?
  • Why did the Knights Templar end?
Find it out

In what year did the order of the Knights Templar end?

Test your knowledge
  • How long have people worn wigs?
  • How are wigs made?
  • How long does it take to make a wig?
Find it out

About how many knots are needed to make one full wig?

Test your knowledge

Where are You Wondering?

Discover Wonder Hotspots nearby and join!

Wonderopolis
EXPLORE WONDER HOTSPOTS

What Are You Wondering?

Join in the Wonder Creation

Make YOUR wonder a wonderful reality!

266,213

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

Latest from the Wonder Bank

  • ABOUT PURE PRESSURE
    Grace
  • Is the moon really made out of cheese?
    Peyton
  • how much money is there on earth?
    Alexia
  • What is Since
    Luis
  • why is snow white
    Aubrey
  • Can Helium Balloons Float To Space?
    Samuel
  • why do prisoners go crazy but inoccent criminals not
    seth
  • what is your dream pet?
    maymunah
  • what is your dream pet?
    maymunah
  • how do they name streets in the world
    Erin
  • is kfc good for health
    Maymunah
  • what causes the ability to yawn
    Erin
  • What was the California gold rush?
    Sally
  • how are tanks built
    Parker
  • are the dino fossils in right shape
    Charlie
  • how to make a millon dollars
    Ed
  • How is polystyrene made
    Leo
  • How do bees make hives?
    Evie
  • How did Donald Trump because president
    Joshua
  • are dragons real?
    Alexia
  • how hot is lava
    daniel
  • how do you do a slime bissnuse
    M
  • Why do we cry?
    Brea
  • how to make a fortune teller
    ty
  • Why do we not feel the Earth move?
    Alexia
  • How do clams make a pearl?
    Julianna
  • What are sound waves like?
    Ethan
  • What are black holes made of
    David
  • why do people hunt dear
    zoey
  • Who Made God?
    Caylie
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?

    Evan

Vote for wonder nominees

Explore the World of Wonders

Discover the latest Wonders from SCIENCE: Science, Life Science, Hemophilia, Blood, Clotting Factors, Chromosome, and more

Wonderopolis #17

Can You Garden in the City?

Over seven billion people call Earth home these days. Feeding all those hungry people is no small task. Fortunately, scientific advances have helped to modernize agriculture to the point where billion...

Wonderopolis #1

Why Are Flamingos Pink?

We were hanging out on the Wonderopolis seashore the other day when we overheard an interesting conversation between a seagull and a pelican:

Wonderopolis #3

Can Plants Eat Insects?

When you think of a jungle adventure, what comes to mind? Swinging around from tree to tree on vines? Gorgeous birds flying through the air? Monkeys and other exotic creatures prowling through the den...

Wonderopolis #19

What Would You Pack For a Trip To Outer Space?

Have you ever dreamed of traveling in space? For many kids, gazing at the stars leads to daydreams about what it would be like to be an astronaut. Would you like to travel on a spaceship? Just think a...

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

Wonderopolis Partners & Sponsors

×

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