💡 Fun Facts for Kids

An octopus has three hearts and blue blood.

A group of flamingos is called a flamboyance.

Sea otters hold hands while they sleep so they don't drift apart.

Some snails can stay sealed up and resting for months when the weather is very dry.

Cows have best friends and get stressed when they are apart.

Butterflies taste with their feet.

An ostrich's eye is bigger than its brain.

Hummingbirds are the only birds that can fly backwards.

A group of owls is called a parliament.

Kangaroos can't walk backwards.

Elephants can't jump. They always keep at least one foot on the ground.

A blue whale's heart is about the size of a bumper car.

Starfish don't have brains.

Giraffes in the wild often sleep less than two hours a day, in short naps.

A newborn kangaroo is about the size of a jelly bean.

Gentoo penguins give pebbles to the penguin they want as a mate.

Dolphins sleep with one eye open.

A shrimp's heart is in its head.

Pigs are very smart and can learn their own names.

Honeybees can recognize human faces.

A cheetah can run as fast as a car on the highway — about 70 miles per hour!

Frogs drink water through their skin.

Koalas sleep up to 20 hours a day.

Each zebra has its own unique pattern of stripes.

Polar bears have black skin under their white fur.

One day on Venus is longer than one year on Venus.

The Sun is so big that about one million Earths could fit inside it.

There is no wind on the Moon, so astronauts' footprints could stay there for millions of years.

Saturn could float in a giant bathtub because it is less dense than water.

Mars has the tallest volcano in the solar system, called Olympus Mons.

A year on Mercury is just 88 Earth days long.

Jupiter is so big that all the other planets could fit inside it.

Light from the Sun takes about 8 minutes to reach Earth.

Astronauts grow a little taller in space because there is less gravity squishing their spines.

Neptune has the fastest winds in the solar system.

The International Space Station goes around Earth about 16 times every day.

Uranus spins on its side, like a rolling ball.

Stars twinkle because their light bends as it passes through Earth's moving air.

Your nose can tell the difference between a huge number of smells — scientists think it could be many thousands or even more!

Babies are born with about 300 bones, but adults have 206.

Your heart beats about 100,000 times every day.

You can't hum while holding your nose closed. Try it!

The strongest muscle for its size in your body is the one you chew with — the jaw muscle.

Your fingernails grow faster than your toenails.

Your tongue print is unique, just like your fingerprint.

You blink about 15 to 20 times every minute.

Your stomach makes a new lining every few days so it doesn't digest itself.

The smallest bone in your body is in your ear. It is about the size of a grain of rice.

Bananas are berries, but strawberries are not!

Scientists think some trees may share food and signals through their roots and tiny fungi underground.

A bolt of lightning is about five times hotter than the surface of the Sun.

Rainbows are actually full circles — we usually only see half because the ground gets in the way.

Some bamboo plants can grow almost 3 feet in a single day.

Honey never spoils. Archaeologists have found honey in ancient tombs that was still good to eat!

Sunflowers follow the Sun across the sky when they are young.

There are more trees on Earth than stars in our galaxy.

Snowflakes almost always have six sides or six points.

The Amazon rainforest is home to about one in ten of all known kinds of animals.

Apples float in water because they are about 25% air.

The largest flower in the world, the rafflesia, can be over 3 feet wide.

Cacti can store water inside their stems for months.

The Pacific Ocean is bigger than all the land on Earth put together.

Mount Everest grows a tiny bit taller every year as the ground underneath pushes it up.

Antarctica is the largest desert in the world — deserts are places with very little rain or snow.

Earth is the only planet not named after a god.

About 71% of Earth's surface is covered by water.

The Sahara Desert is about the same size as the United States.

There are about 1,350 volcanoes on land that could erupt someday.

The deepest part of the ocean is deeper than Mount Everest is tall.

The word dinosaur means "terrible lizard."

Birds are living relatives of dinosaurs.

T. rex had teeth as big as bananas.

Some dinosaurs had feathers.

Stegosaurus was as big as a bus but had a brain about the size of a walnut.

The Argentinosaurus may have been as long as three school buses.

Dinosaurs lived on every continent, including Antarctica.

The first toothbrushes were made from twigs.

Ketchup was once sold as a medicine.

The Great Wall of China is over 13,000 miles long.

Ancient Egyptians used to play board games — one was called Senet.

ENIAC, one of the first electronic computers, weighed about 30 tons.

Crayons were first sold in 1903 in a box of eight colors.

The Eiffel Tower can be about 6 inches taller in summer because metal expands in heat.

The first carrots people grew were purple or yellow, not orange.

Peanuts aren't nuts — they are legumes, like beans.

A strawberry has about 200 seeds on the outside.

Popcorn pops because of a tiny drop of water inside each kernel that turns to steam.

Pineapples take about two years to grow.

Chocolate comes from the seeds of the cacao tree.

Cucumbers are more than 95% water.

A group of crows is called a murder, and a group of kangaroos is called a mob.

Owls can turn their heads about three-quarters of the way around.

A hippo's sweat is a reddish color and helps protect its skin from the sun.

Sea turtles have been around since the time of the dinosaurs.

A group of pandas is sometimes called an embarrassment.

Octopuses can change the color of their skin in less than a second.

Ladybugs flash their bright colors to warn birds that they taste bad.

A baby giraffe can stand up within about an hour of being born.

Snails have thousands of tiny teeth on their tongues.

Flamingos get their pink color from the food they eat.

Bats are the only mammals that can truly fly.

An elephant's trunk has tens of thousands of muscles.

Penguins can't fly, but they are amazing swimmers.

Some parrots can live for more than 60 years.

The Moon is slowly moving away from Earth — about 1.5 inches every year.

Mars has two tiny moons named Phobos and Deimos.

The Sun is a star, and it's the closest star to Earth.

Venus is the hottest planet in our solar system, even though Mercury is closer to the Sun.

Saturn's rings are made mostly of chunks of ice and rock.

There are more stars in the universe than grains of sand on all of Earth's beaches.

A day on Mars is only a little longer than a day on Earth.

Jupiter has a giant storm called the Great Red Spot that is bigger than Earth.

Your heart is about the size of your fist.

You are a tiny bit taller in the morning than at night.

Your brain is about 75% water.

Your skin is the largest organ of your body.

Kids have 20 baby teeth, and adults usually have 32 teeth.

Humans share their birthday with millions of other people around the world.

A single oak tree can produce thousands of acorns in one year.

Some trees can live for thousands of years.

Rain has a smell! The earthy scent after rain is called petrichor.

Pineapples grow from the ground on a leafy plant, not on trees.

Bees communicate by doing a "waggle dance".

Leaves change color in autumn because the green chlorophyll fades away.

Mount Everest is the tallest mountain above sea level.

The Nile and the Amazon are the two longest rivers in the world.

Earth's inner core is about as hot as the surface of the Sun.

Lightning strikes somewhere on Earth about 40 to 100 times every second.

There are seven continents: Africa, Antarctica, Asia, Australia, Europe, North America and South America.

Some dinosaurs were as small as chickens.

Triceratops had three horns on its face and a big bony frill.

Scientists learn about dinosaurs by studying fossils — bones and footprints turned to stone.

Dinosaurs lived on Earth for more than 160 million years.

The first bicycle, made in the 1800s, had no pedals — riders pushed with their feet.

People in ancient Egypt made paper from a plant called papyrus.

The first teddy bears were made in the early 1900s.

Honey is made by bees from flower nectar.

Tomatoes and cucumbers are actually fruits because they have seeds.

Bananas grow in bunches called "hands", and each banana is a "finger".

Potatoes were the first vegetable grown in space.

A day on Jupiter lasts only about 10 hours — the shortest day of any planet.

The Moon has no air, so sound can't travel there.

If you could drive a car to the Sun at highway speed, the trip would take more than 100 years.

The Hubble Space Telescope has been taking pictures of space since 1990.

Saturn has more known moons than any other planet in our solar system.

Your inner ear helps you hear and also helps you keep your balance.

Your body has about 600 muscles.

Your eyes can tell apart about a million different colors.

Red blood cells travel all the way around your body in about one minute.

Photosynthesis is how plants turn sunlight, water and air into food.

Some seeds, like coconuts, can float across oceans to grow on new islands.

Pound for pound, spider silk is stronger than steel.

A single cloud can weigh as much as a hundred elephants.

Earth's crust is broken into giant pieces called tectonic plates that move very slowly.

Earthquakes happen when tectonic plates suddenly slip past each other.

The Mariana Trench is the deepest part of the ocean — almost 7 miles deep.

Only about 3% of Earth's water is fresh water; most of it is frozen in ice.

Monarch butterflies can migrate around 3,000 miles to spend the winter in Mexico.

Arctic terns fly from the Arctic to Antarctica and back every year — the longest migration of any animal.

Octopuses can taste things with the suckers on their arms.

Some frogs can freeze solid in winter and thaw out alive in spring.

Crows can recognize individual human faces and remember them for years.

The ancient Egyptians built the Great Pyramid of Giza more than 4,500 years ago.

The Caesar cipher, a secret code, is named after Julius Caesar, who used it over 2,000 years ago.

Gutenberg's printing press, invented around 1440, made books much cheaper and helped more people learn to read.

Popcorn was eaten by people in the Americas thousands of years ago.

Apples, pears and plums are all members of the rose family.

Pumpkins are a kind of fruit, because they grow from a flower and hold seeds.

Each pumpkin has about 500 seeds inside.

The first jack-o'-lanterns in Ireland were carved from turnips and potatoes, not pumpkins.

A single little brown bat can catch hundreds of insects in one hour.

Squirrels plant many new trees by burying acorns and nuts in the fall and forgetting where some of them are.

Red leaves get their color from the same kind of pigment that makes cherries and blueberries colorful.

Wild turkeys can run about 25 miles per hour and fly short distances.