Animal
Human body
Science
Nature
Space
100

Do you have the same number of neck vertebrae as a giraffe?

Yes

100

True or false: There are more bones in an infant's body than in an adult one.

True! Some bones in the infant’s skull have not yet fused together and so the infant has more bones (300) than a fully formed adult (206).

100

Which freezes faster, hot water or cold water?

Hot water freezes faster than cold, known as the Mpemba effect

100

How many colors are in the rainbow?

Seven

100

How many moons does Earth have?

One

200

What mammal has the most powerful bite?

Hippopotamus

200

What percentage of your body is made of water?

Roughly 70%

200

Does sound travel faster in the air or in water?

Water

200

What is the hardest natural substance on Earth?

Diamond

200

If you go into space, do you get taller?

Yes, the cartilage disks in your spine expand due to the lack of gravity!

300

On what continent will you not find bees?

Antarctica

300

What is the longest bone in the human body?

Femur

300

The concept of gravity was discovered by which famous physicist?

Isaac Newton

300

Which natural disaster can produce the fastest winds on Earth?

Tornadoes are smaller than hurricanes, but they do produce faster winds.

300

Who was the first person to walk on the moon?

Neil Armstrong

400

What sense are puppies born without?

Puppies are born without their hearing

400

What is the most flexible muscle in the human body?

The tongue

400

Which is the most abundant element in the universe?

Hydrogen

400

What is the largest desert in the world?

It’s not the Sahara, but actually Antarctica!

400

What is the only planet not named after a God?

Earth

500

Where on the body are a crab’s taste buds?

Its feet

500

The average woman has 7 pints of blood, how much has the average man?

12 pints

500

in what century were fingerprints first used to solve a crime?

XIX century

500

What country is the largest consumer and importer of coal?

China

500

What manned U.S. space program eventually put 12 men on the Moon?

Apollo