• What is a dumbo octopus?
  • What habitat do dumbo octopuses live in?
  • What is the diet of a dumbo octopus?
Find it out

Dumbo octopuses can vary in length from eight inches to ____________.

Test your knowledge
  • Who's at the top of the food chain?
  • What is a food web?
  • Do humans have any predators?
Find it out

Which of the following is an example of a decomposer?

Test your knowledge
  • Where is Mauna Kea?
  • How tall is Mauna Kea?
  • Is Mauna Kea still active?
Find it out

Which of the following makes Mauna Kea a great place to observe the sky?

Test your knowledge
  • How are expiration dates for food determined?
  • Can you eat food past its expiration date?
  • How can people reduce food waste?
Find it out

Which of these is NOT a sign that food has gone bad, according to this Wonder?

Test your knowledge
  • What is osteoporosis?
  • What causes osteoporosis?
  • How is osteoporosis treated?
Find it out

A good source of calcium is...

Test your knowledge

Where are You Wondering?

Discover Wonder Hotspots nearby and join!


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

  • how to get your crush to like you back?
  • where does the practice of meditation originate from?
  • where did the greek myths come from?
  • Can looking into more than one magnifying glass at one time help you see closer?
  • How many bones are in a chicken wing?
  • Do Penguins Have Knees?
  • why are there 60 seconds in a minute
  • how are tinted windows made
  • is there over 10 planets
  • Did Albert Einstein have dyslexia?
  • Is Penny Wise alive
  • how to do a kickflip
  • How to do a kickflip?
  • What is The Sims 4
  • How do you make music
  • what is life
  • is school usful
  • do flowers bite
  • Where did blobfishes come from
  • Why do dogs bury bones
  • What is the first language to be created?
  • How much do teachers get paid
  • How do dogs remember their names?
  • How is thunder and lightning made?
  • how to tame a dog
  • 16*16+14
  • to see if a boy likes you
  • What is the best beyblade?
  • how to create a yellow and purple cat in minecraft
  • paper
View all questions in the Wonder Bank

Top Nominated Wonder Questions:

  • +2921

    Why are only certain animals our pets?

    teagan — AL

  • +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

Vote for wonder nominees

Explore the World of Wonders

Discover the latest Wonders from SCIENCE: Science, Life Science, Ocean, Sea, Animal, Creature, 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? If you're like most kids, gazing at the stars at one time or another has led to a daydream about what it would be like to be an astronaut. Not only would i...

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