Animal Superpowers
The Human Body
History’s Mysteries
Geography Giants
Food Facts
100

This reptile can regrow its tail if it gets caught and some species can even regrow their limbs and heart.

Lizard

100

These "filters" in your chest help you breathe by taking in oxygen and letting out carbon dioxide.

Lungs

100

This ship hit an iceberg and sank in the Atlantic Ocean in 1912.

Titanic

100

This is the tallest mountain in the world, located in the Himalayas.

Mount Everest

100

This is the most popular pizza topping in the United States.

Pepperoni

200

This animal has a roar that can be heard from up to five miles away.

Lion

200

This is the largest organ on the human body, protecting us from germs and keeping us warm.

Skin

200

These ancient people from Scandinavia were the first Europeans to reach North America, long before Columbus.

Vikings

200

This imaginary line circles the middle of the Earth, dividing it into the Northern and Southern Hemispheres.

Equator

200

This fizzy drink was originally invented by a pharmacist and was once sold as a medicine.

Coca-Cola

300

This sea creature has blue blood and can squeeze through a hole the size of a coin.

Octopus

300

This is the strongest muscle in the human body based on its weight

Jaw

300

This giant wooden horse was used by Greek soldiers to sneak into a city and win a famous ancient war.

Trojan Horse

300

Located in South America, this is the world's highest waterfall, where the water falls from a height of over 3,200 feet.

Angel Falls

300

This spicy green paste often served with sushi is usually just dyed horseradish, because the "real" version is very expensive.

Wasabi

400

This can lift objects that are 50 times its own body weight like a human lifting an entire car.

Ant

400

But babies are born with many of these and later on they decrease because they fused together.

Bones

400

This massive stone monument in England was built thousands of years ago, but nobody knows exactly how they moved the heavy rocks.

Stonehenge

400

This is the deepest place in the world’s oceans, reaching a depth of nearly 7 miles down in the Pacific.

Mariana Trench

400

It takes about 400 of these to make just one single pound of chocolate.

Cacao Beans

500

Using a "sixth sense" called electroreception, this ocean predator can detect the tiny electrical pulses of a prey's heartbeat.

Shark

500

These tiny "messengers" in your brain send signals to the rest of your body at speeds of up to 270 miles per hour.

Neurons or Nerve Cells

500

This "hidden city" in the mountains of Peru was built by the Incas and stayed a secret from the outside world for hundreds of years.

Machu Picchu
500

This "Giant" lake in Russia is the deepest and oldest freshwater lake in the world, containing 20% of the world's unfrozen fresh water.

Lake Baikal

500

Apples, pears, and plums all actually belong to this family of flowers.

Rose family