Planet Earth
True or False : The earth has a powerful magnetic field.
True - This phenomenon is caused by the nickel-iron core of the planet, coupled with its rapid rotation. This field protects the Earth from the effects of solar wind.
How long does an elephant pregnancy last?
Answer: 22 months
Elephants give birth to a single baby after a 22-month-long pregnancy. That’s the longest gestation period of any mammal.
Centipedes have 1 pair of legs per body segment. How many pairs of legs do millipedes have per body segment?
Two pairs.
True or false: There are 206 bones in an adult human body and 300 bones in an infant's body.
True. Some bones in the infant’s skull have not yet fused together and so the infant has more bones than a fully formed adult.
What is the largest fish in the world?
Whale shark - The whale shark is the largest living fish in the world. It can reach lengths up to 45 feet. If you selected one of the whales, remember that whales are not fishes. They are mammals.
How old is the Earth?
Earth is about 4.54 billion years old.
Polar bears sport a white coat of fur that helps them blend into the snow and ice. But what colour are their tongues?
Answer: Blue
Surprisingly, polar bears have blue tongues that sit among 42 razor-sharp teeth. They also have black skin under their fur.
During peak production, how many eggs can a queen bee lay per day?
1,500 eggs.
Can you lick your elbow?
No, but be honest. You just tried to, right?
What shark can live in both freshwater and saltwater?
Bull Shark - The bull shark is the only shark found in low salinity estuaries and has been know to enter freshwater. They can be found in several freshwater lakes in South and Central Americas and have been seen in the Mississippi River as far north as Iowa.
How long does it take for the earth to complete a full rotation?
Earth takes 23.934 hours to complete a rotation on its axis and 365.26 days to complete an orbit around the sun.
Oh which continent have the most Dinosaur fossils been found?
North America
What insect was responsible for transmitting the Bubonic or Black Plaque?
The rat flea.
What is the hardest substance in the human body?
Tooth enamel.
What is a sharks skeleton made of?
Cartilage - Cartilage is a flexible, durable tissue. It's about half the density of bones. Rays, skates and sawfish also have cartilaginous skeletons. Most other fishes have bony skeletons. Cartilage is also found in humans, most notably in our nose and ears.