Facts for Ages 8–10
3502 facts perfect for this age group
The Fibonacci sequence (1, 1, 2, 3, 5, 8, 13…) appears in nautilus shells and sunflower seed patterns in nature. Each number is the sum of the two before it.
The small intestine is about 6 metres long — roughly four times the height of an average adult. It is coiled up tightly to fit inside your abdomen.
The windscreen wiper was invented by Mary Anderson in 1903 after she visited New York City in winter and noticed that the tram driver had to stop to wipe snow from the windscreen. She patented her swinging rubber blade design, but manufacturers initially refused to adopt it.
In English, "ghoti" could technically spell "fish" — using the "gh" from enough, "o" from women, and "ti" from nation.
Asgard is the realm of the Norse gods, a great city in the sky protected by high walls.
The first bicycle, invented in 1817, had no pedals — riders had to push it along with their feet on the ground.
The Sun is about 4.6 billion years old and is roughly halfway through its life.
The arabica coffee plant originated in the highland forests of Ethiopia, where local people discovered the energising effects of its berries thousands of years ago.
No number from one to nine hundred ninety-nine, when written out in English, contains the letter "a" — the first one is "one thousand."
Wild garlic can carpet entire woodland floors in spring, filling the air with its garlicky scent, and every part of the plant — leaves, flowers, and bulb — is edible.
Insect compound eyes are made of thousands of tiny lenses called ommatidia, giving them a nearly 360-degree field of view — though the image is less sharp than a human eye.
The assassin bug of China and Vietnam stacks the dried corpses of ants it has killed on its back — the camouflage allows it to sneak into ant colonies undetected.
The famous bullet-dodging scene in The Matrix was filmed using 120 cameras firing at the same time.
World War I was originally called "The Great War" because nobody imagined there would be a second one.
A chord is when three or more notes are played together at the same time to create a fuller sound.
In the Arctic tundra, where the growing season is very short and winds are fierce, willow trees grow only a few centimetres tall, creeping along the ground rather than growing upright.
The drone fly larva, nicknamed a rat-tailed maggot, lives in stagnant water and breathes through a telescoping tail tube up to 15 cm long that extends to the water surface like a snorkel.
Balder was the most beautiful and kind of all the Norse gods, beloved by everyone.
Male stag beetles have enormous antler-like jaws used only for wrestling rival males; despite looking fearsome, they are too weak to bite hard enough to break human skin.
Weaver birds construct incredibly complex nests by knotting and weaving strips of grass — a skill that takes young males years to perfect.