Fun random facts are a huge hit with students. It doesn’t matter when or where you use them, the students will find them interesting and enjoyable. Often the students will remember these facts and will remind you of them all the time. Each day start by writing one random fact on the board as a topic starter for conversation after you mark the roll. 


A cockroach can live nine days without its head before it starves to death.

A hippo can run faster than a man.

Some ribbon worms will eat themselves if they can’t find any food.

A lion’s roar can be heard from five miles away.

Flies jump backwards when they take off.

Apples are more effective than caffeine at waking you up in the morning.

The fastest typist in the world can type 211 words per minute.

The hummingbird is the only bird that can fly backwards.


The world’s youngest parents were aged eight and nine in China in 1910.

On average, 100 people choke to death on ballpoint pens every year.

Elephants are the only mammals that cannot jump.

It is impossible to lick your elbow.

A crocodile can’t stick its tongue out.

A shrimp’s heart is in its head.

It is physically impossible for pigs to look up into the sky.

More than 50% of the people in the world have never made or received a telephone call.

Rats and horses can’t vomit.


If you sneeze too hard, you can fracture a rib.

Wearing headphones for just an hour will increase the bacteria in your ear by 700 times.

In every episode of Seinfeld there is a Superman somewhere.

A duck’s quack doesn’t echo, and no one knows why.

Twenty-three percent of all photocopier faults worldwide are caused by people sitting on them and photocopying their butts.

In the course of an average lifetime you will, while sleeping, eat 70 assorted insects and 10 spiders.

Most lipstick contains fish scales.

Like fingerprints, everyone’s tongue print is different.

The tallest nation in the world is the Watusis of Burundi.

Hot water is heavier than cold.

Sound travels 15 times faster through steel than through the air.

A ball of glass will bounce higher than a ball of rubber. A ball of solid steel will bounce higher than one made entirely of glass.


Ostriches are often not taken seriously. They can run faster than horses, and the males can roar like lions.

Guinea pigs and rabbits can’t sweat.

Deer can’t eat hay.

There are more than fifty different kinds of kangaroos.

The female lion does ninety percent of the hunting.

You can tell the sex of a horse by its teeth. Most males have 40 teeth and most females have 36 teeth.

Three hundred and fifteen entries in Webster’s 1996 Dictionary were misspelled.

Orcas (killer whales) kill sharks by torpedoing up into the shark’s stomach from underneath, causing the shark to explode.

Donald Duck comics were banned from Finland because he doesn’t wear any pants.

Leonardo da Vinci could write with one hand and draw with the other at the same time.

There are no words in the dictionary that rhyme with: orange, purple, and silver!

Celery has negative calories! It takes more calories to eat a piece of celery than the celery has in it to begin with. It’s the same with apples!


Chewing gum while peeling onions will keep you from crying!

Guinness Book of Records holds the record for being the book most often stolen from public libraries.

Of all the words in the English language, the word ‘set’ has the most definitions!

‘Almost’ is the longest word in the English language with all the letters in alphabetical order.

‘Rhythm’ is the longest English word without a vowel.

Human thighbones are stronger than concrete.

You can’t kill yourself by holding your breath.

There is a city called Rome on every continent.

It’s against the law to have a pet dog in Iceland.

Your heart beats over 100,000 times a day.

Right-handed people live, on average, nine years longer than left-handed people.

Your ribs move about five million times a year, every time you breathe!


One quarter of the bones in your body are in your feet!

Fingernails grow nearly four times faster than toenails!

Most dust particles in your house are made from dead skin!

Women blink nearly twice as much as men.

Coca-Cola would be green if colouring wasn’t added to it.

More people are killed each year from bees than from snakes.

Camels have three eyelids to protect themselves from blowing sand.


Earth is the only planet not named after a god.

You’re born with 300 bones, but by the time you become an adult, you only have 206.

Some worms will eat themselves if they can’t find any food!

Dolphins sleep with one eye open!

It is impossible to sneeze with your eyes open.

Slugs have four noses.

Owls are the only birds that can see the colour blue.

A giraffe can clean its ears with its 21-inch tongue!

The average person laughs 10 times a day!

An ostrich’s eye is bigger than its brain.

Butterflies taste with their feet.


The strongest muscle in the body is the tongue.

A cat’s urine glows under a black light.

Starfish have no brains.

Polar bears are all left-handed.