1. Snakes smell with their tongues.

2. Butterflies don’t have teeth. They eat only liquids, sucking their food up with something like a straw.

3. Horses and cows sleep while standing up.

4. Honeybees have hair all over their bodies, like dogs and cats. Do you think it tickles?

5. Locusts have leg muscles that are about 1000 times more powerful than an equal weight of human muscle.

6. Hummingbirds are so agile and have such good control that they can fly backwards.

7. Instead of bones, sharks have a skeleton made of cartilage.

8. Insects such as bees, mosquitoes and cicadas make noise by rapidly moving their wings.

9. The horn of a rhinoceros is made from compacted hair rather than bone or another substance.

10. Sharks lay the biggest eggs in the world.


1. Red blood cells carry oxygen around the body. They are created inside the bone marrow of your bones.

2. The color of human skin is determined by the level of the pigment melanin that the body produces. Those with small amounts of melanin have light skin while those with large amounts have dark skin.

3. Adult lungs have a surface area of around 70 square meters!

4. Humans have a stage of sleep that features rapid eye movement (REM). REM sleep makes up around 25% of total sleep time and is often when you have your most vivid dreams.

5. Most adults have 32 teeth.

6. The smallest bone found in the human body is located in the middle ear.

7. The staples (or stirrup) bone is only 2.8 millimeters long.

8. Your nose and ears continue growing throughout your entire life.

9. It takes the body around 12 hours to completely digest eaten food.


1. The Sun is larger than the earth.

2. Halley’s Comet was last seen in the inner Solar System in 1986, it will be visible again from Earth sometime in 2061 (get your camera ready).

3. A galaxy is a huge bunch of stars that hang out near each other.

4. Asteroids are small planets that are very hard to see, even with a giant telescope.

5. The Moon appears to have more craters and scars than Earth because it has a lot less natural activity going on, the Earth is constantly reforming its surface through earthquakes, erosion, rain, wind and plants growing on the surface, while the moon has very little weather to alter its appearance.

6. Saturn isn’t the only ringed planet, other gas giants such as Jupiter, Uranus and Neptune also have rings, they are just less obvious.

7. Footprints and tyre tracks left behind by astronauts on the moon will stay there forever as there is no wind to blow them away.

8. The sun is a giant ball of exploding fire. It’s so far away it won’t hurt you unless you stay outside too long and get a sunburn, but it makes you warm. People on earth need the sun’s warmth to live comfortably.

9. Comets are space rocks made mostly of ice and dust, just like giant dirty snowballs.


1. McDonald’s fast food chains employ over 1.5 million people around the world.

2. Avocado is a kind of berry, like a strawberry or a blueberry.

3. Pineapples got their name because they look like pine cones.

4. The sweet potato is a root vegetable and is not closely related to the potato.

5. Cutting onions release a gas which causes a stinging sensation when it comes into contact with your eyes. Your body produces tears to dilute the irritant and remove it from your eyes.

6. Pumpkins are usually labelled as vegetables, but they contain seeds and are technically a fruit.

7. Examples of popular fruits include apples, oranges, pears, strawberries, peaches, bananas, apricots and grapes.

8. A cucumber is not a vegetable – it’s a fruit.

9. Navel oranges got their name because they have belly buttons, another word for navel. The bigger the belly button, the sweeter the orange.


1. Dinosaurs first showed up on Earth about 230 million years ago.

2. The Stegosaurus was a dinosaur that was as big as a semi truck (30 feet long) but had a brain the size of a walnut.

3. Where did dinosaurs live? Scientists think they lived all over Earth.


1. The first toothpaste ever invented was made from wine and ground-up rock.

2. Zebras are actually white, with black stripes.

3. Cats sleep about 16 hours a day.