Student feedback that makes our team feel wonderful: "Wonderopolis is so much fun. We're learning and don't even know it!" Support under-cover learning and become a #WonderFunder!

  • Why can't metal objects go in the microwave?
  • What is a magnetron?
  • How do microwave ovens cook food?
Find it out

Microwaves heat food when they’re absorbed by what type of molecules within the food?

Test your knowledge
  • What is the space-time continuum?
  • How many dimensions make up the space-time continuum?
  • Who developed the theory of general relativity?
Find it out

The curvature of the space-time continuum caused by objects with mass is what we know as what?

Test your knowledge
  • Have you ever played cricket?
  • What is a wicket?
  • How long is a game of cricket?
Find it out

A wicket is composed of how many wooden stumps?

Test your knowledge
  • How are stained glass windows made?
  • What is vitreous paint?
  • Why is lead used in stained glass windows?
Find it out

In a stained glass window, pieces of glass are held together by narrow strips of what?

Test your knowledge
  • Has a president ever served more than two terms?
  • When were presidential term limits enacted?
  • Who set an example of not seeking reelection after two terms?
Find it out

Franklin Delano Roosevelt’s presidency was marked by two major historical events: the Great Depression and what else?

Test your knowledge
  • What are wisdom teeth?
  • When do wisdom teeth appear?
  • Do you really need wisdom teeth?
Find it out

Approximately what percentage of the modern population never develops wisdom teeth at all?

Test your knowledge
  • What is the smallest computer?
  • When were the earliest computers developed?
  • How big were the first computers?
Find it out

What modern devices are like small computers that people carry everywhere with them?

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

  • what is homestock
    carly west
  • earthbound
    carly west
  • How does 1 cm compare to 10 mm
    Zaire Desesso
  • who created the game undertale
    carly west
  • how did the myth of dragons become wouldwide
    William Li
  • What makes a person physically beautiful? Why are some persons beautiful, and some not?
    kaylee satterwhite
  • why are we put on this earth
    skyonna canty
  • Why does splitting the atom create an explosion?
    Lucy Hansen
  • Why does splitting the atom create an explosion?
    Lucy Hansen
  • mincaft
    skyonna canty
  • puppies
    kinsley geddings
  • Why is yor brain inportant
    shakira mickens
  • how can the brain remember all the things people teach you?
    Donna Howard
  • whats undertale?
    Racheal Whitton
  • why do people get married ?
    kendreana reuben
  • Why do people get hungry at at a certain time?
    ahnadja mack
  • Why are some people left handed and some people right handed?
    JaZyriah Smith
  • Why is Sans from Undertale cool
    Racheal Whitton
  • who invented spice
    Nickoli Smith
  • How did the Titanic sink?
    Jack Post
  • why can dog talk
    Rasheed Anice
  • do you even lift bro
    Isaac Fuhrman
  • why are blood oranges red and why are they called blood oranges
    shakira mickens
  • Does temperature the bounce of a ball?
    kathrin wuchnick
  • How are sprinkles made?
    Kylee Hoeschen
    skyonna canty
  • Pigs
    Kylee Hoeschen
  • why do drink lids have extra holes
    Taniya Roberts
  • How did the earth form?
    Chloe Brooks
  • why do we have to brush our teeth?
    helen FERNANDEZ
View all questions in the Wonder Bank

Top Nominated Wonder Questions:

  • +3042

    What makes the ocean blue when water is clear?

    Ana Brossette

  • +3039

    What will school be like in the future?

    Meghan Pohl

  • +2915

    How do you get into a bad habit?

    Aeden DeGraw

  • +2855

    how was water created


  • +2549

    Who made up gymnastics

    Khiyanna Fields

  • +2360

    Why does at low atomic pressure water boils faster?

    pradyumna behera

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 SCIENCE: Science, Heat, Cook, Appliance, Kitchen, Stovetop, and more

Image #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...

Image #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:

Image #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...

Image #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...

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

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