72 Fun Facts for Kids: Weird, Wild & True
Did you know your nostrils take turns breathing? It’s one of 72 fun facts for kindergarteners and curious kids aged 3 to 8, all written to read aloud together. Every topic opens into an interactive story to explore as a family.
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About Fun Facts for Kids Stories
These fun facts for kids are written for ages 3 to 8, from preschool and kindergarten through first and second grade, and every one is short enough to read aloud as a family. They're weird but true, and every fact is checked. Each topic opens into an interactive story, so when a fact sparks a question, there's a whole journey to explore.
Random and weird facts for kids
A butterfly tastes a flower by standing on it, because it tastes with its feet.
An octopus has three hearts, and its blood is blue.
Deep inside Uranus and Neptune, scientists think it rains diamonds.
Your eyes catch the world upside down, and your brain quietly sorts it out.
Cheesemakers call the holes in Swiss cheese eyes, so a Swiss cheese with no holes is called blind.
A barreleye fish looks up through its own see-through head, and the "eyes" on its face are really nostrils.
Fresh sweat doesn't smell. The smell comes from tiny bacteria living on your skin.
A catfish tastes with its whole body, right down to its tail.
Lots of garden spiders eat their old web each evening, then spin a new one.
Uranus has clouds made with the same gas that gives rotten eggs their smell.
A banana plant isn't a tree. It's a giant herb.
More than half the bones in your body are in your hands and feet.
Fun facts about your body
Your nostrils take turns: one does most of the breathing while the other rests, then they swap.
Every time you swallow, a little flap called the epiglottis closes over your windpipe so food goes the right way.
Your left lung is smaller than your right, to leave room for your heart.
Your lungs are spongy, packed with tiny air pockets no bigger than a grain of salt.
Your brain never switches off, and it makes your dreams while you sleep.
You can't tickle yourself, because your brain knows your own touch is coming.
You're a little taller in the morning than you are at bedtime.
Chew bread for long enough and it starts to taste sweet, because your mouth begins digesting it before you swallow.
Your fingerprints were finished before you were born, and nobody else has the same ones.
Your brain is wrinkly because it's folded up to fit inside your head.
Your eyebrows help steer sweat away from your eyes.
Your small intestine is so long that it's folded up in loops to fit inside you.
Shrink down and explore Inside Your Body!
Fun facts about animals
Cats can't taste sweet things.
Wombats poop cubes, and scientists think the shape stops them rolling away.
An ostrich's eye is bigger than its brain.
A gecko can hang its whole body from one toe, using millions of tiny hairs instead of glue.
Frogs use their eyeballs to help push food down when they swallow.
A snow leopard wraps its long, fluffy tail around itself like a scarf.
Some swifts stay up in the air for ten months without landing once.
The shine in an Arctic reindeer's eyes turns from gold in summer to deep blue in winter.
When one prairie dog jumps and calls, the next one does too, until it ripples through the whole town like a stadium wave.
Each bottlenose dolphin has its own whistle that works like a name.
Sea otters have the densest fur of any animal.
One olm stayed in the very same spot for over seven years.
Travel from the top of the sky to the bottom of the sea in Sky to Sea!
Fun facts about food
Popcorn pops into two main shapes, called butterfly and mushroom.
One honeybee makes only about a twelfth of a teaspoon of honey in her whole life.
Chocolate comes from seeds inside big pods that grow straight out of the cacao tree's trunk.
Each cacao pod holds about 20 to 60 beans, wrapped in sweet white pulp.
Bananas grow in bunches called hands, and each single banana is called a finger.
Giant pumpkins can grow as heavy as a small car.
The tiny black specks in some vanilla ice cream are seeds from the vanilla pod.
A starfruit sliced across makes slices shaped like stars.
A pineapple's leafy top can grow into a whole new plant, but it takes two years or more.
Much of the wheat for bread is planted in the fall and sleeps under the snow all winter.
Cream shaken hard in a tightly closed jar turns into butter.
Brussels sprouts taste sweetest after a frost.
Follow your food around the world in Where Snacks Grow!
Fun facts about space
The Moon is drifting away from Earth about as fast as your fingernails grow.
Mars has blue sunsets, the opposite of ours, and a pinky-orange sky during the day.
Scientists think Jupiter's moon Europa hides an ocean under its ice with more water than all of Earth's oceans put together.
Jupiter's moon Io has hundreds of volcanoes, and some blast plumes right out into space.
Uranus is tipped over on its side, so one summer there lasts about 21 years.
Pluto was named by an 11-year-old girl, Venetia Burney, who thought of it at breakfast.
Red stars are the cooler ones, and the hottest stars glow blue, the opposite of a faucet.
On a dark night you can see a whole other galaxy, Andromeda, with just your eyes, and its light set off before there were people like us.
To photograph the black hole at the middle of our galaxy, scientists joined telescopes around the world into one as big as Earth.
Our galaxy is called the Milky Way because it looks like spilled milk across the night sky, and the word galaxy comes from an old word for milk.
A gas cloud near the middle of our galaxy contains the chemical that gives raspberries their flavor.
Saturn's rings almost disappear every 13 to 16 years, when we see them edge-on.
Point the telescope farther out in Way Out There!
Fun facts about bugs
A cricket's ears are on its front legs, just below its knees.
A ladybug's real wings fold up under its spotty shell, and they open out four times bigger than it is.
Roly-polies aren't insects. They're cousins of crabs and shrimp.
Under many ant hills is a whole ant city, with rooms for babies, food and even garbage.
A dragonfly can hover in one spot and even fly backward.
A crab spider can slowly turn from white to yellow to match the flower it's hiding in.
Moths don't really fly toward lights. They keep their backs to the sky, and a lamp tricks them into circling.
A walking stick sways in the wind so it looks just like the twigs around it.
A slug breathes through a little hole on its side that opens and closes.
"Millipede" means a thousand feet, but many have fewer than 100 legs. The leggiest one ever found has 1,306.
Earthworms have no eyes. They sense light through their skin.
A whirligig beetle's eyes are split in two, the top half for seeing above the water and the bottom half for seeing below it.
Grab a magnifying glass and explore Backyard Bugs!
Questions parents ask
What are some fun facts for kindergarteners?
Kindergarteners love facts they can picture, like this one: a giraffe has seven neck bones, the same as you, but each one is almost as long as a ruler. And bats aren't blind; many find their way in the dark by listening for echoes.
What's a good fun fact for a 4 or 5 year old?
Try this one: fireflies are really beetles, and each kind blinks its own light pattern to find the others.
How do you explain fun facts to a preschooler?
Tie each fact to something they can see or touch. Instead of a measurement, say "make a fist, that's about how big your heart is," then read it aloud together and let the questions come.
What are some weird facts for kids?
One of the weirdest is that on Saturn's moon Titan, the air is so thick that scientists say you could strap on wings and fly. Here on Earth, ants look after aphids like farmers with cows, tapping them for a sweet drop to drink.