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Human Body
Art
Planets
Zoology
Physics
100

How many muscles does it take to smile?

17, and it takes 43 to frown. So let's all be lazy and smile.

100

Which artist said "Everything you can imagine is real"?

Pablo Picasso

100

Would you weigh more or less on Mars?

Less. A person who weighs 200 pounds on Earth would weigh just 76 pounds on Mars.

100
About how far away can a human detect the smell of a skunk?

One mile

100

How much volts does an electric eel give off?

500 volts

200

True or false: Most of the dust in a home is made of human skin.

False. There's a common misconception that it's mostly human skin. It's not: that mainly ends up in the bath or shower. Two-thirds of the dust in your house comes from outside, as dirt tracked in on your feet, and airborne particles like pollen and soot. 

200

La Giaconda is better known as what?

Mona Lisa. La Giaconda is the Italian name for the painting.

200

What planet is farthest from the sun?

Neptune

200

How long can a tarantula live for without food?

2 years

200

What liquid can slow down light?

Water

300

What is the strongest muscle in the human body: the tongue, the jaw, or the tricep?

Jaw

300

What is the main substance used to make crayons?

Wax

300

What color is the sunset on Mars?

Blue

300

How long can the average alligator live for?

100 years

300

If you mix all colors of light what color do you get?

White light

400

What is trepanning?

An ancient form of medicine which involves making a hole in the human skull to relieve pressure. Do not do this.

400

In the Louvre Museum, Mona Lisa has its own what?

Mailbox. Mona Lisa receives love letters regularly, which is why out of all the artworks in the Louvre, only Mona Lisa has its own mailbox.

400

True or False: There are more stars in the Milky Way galaxy than trees on Earth

False. There are around 3 trillion trees on Earth, with 100-400 billion stars estimated in the Milky Way.

400

What animal can catch a human cold?

Gorilla

400

True of false: It is possible to physically stop light from moving

True

500

What is the lifespan of a human red blood cell?

Around 120 days

500

What is the only work of art Michelangelo ever signed?

The Pieta. The Pieta depicts the body of Jesus on the lap of his mother. It's the only artwork he physically signed, although he signed his other works by putting a part of himself in the paintings.
500

Which planet has the most powerful winds?

Venus

500

How much milk is a herd of cows able to produce in a day?

One ton

500

On the moon, which would hit the ground first if they were dropped from the same height at the same time:  a feather or a bowling ball?

Neither, they would hit the surface of the moon at the same time.