Random Knowledge
Science
History
Nature and animals
Riddles
Daily double
20

What popular board game was originally created to demonstrate the dangers of concentrating wealth through property ownership?


Monopoly (originally The Landlord's Game)

20

What gas is commonly used to fill party balloons so they float?


Helium

20

What ancient civilization is credited with developing one of the earliest forms of paper from a plant growing along the Nile River?


Ancient Egyptians (papyrus)

20

What animal has three hearts and blue blood?


An octopus

20

I have a neck but no head, a body but no arms, and I am often found on a dinner table. What am I?


A bottle

50

What common household item was originally made using animal fat and ashes?


Soap

50

What part of the human body contains the smallest bones?


The middle ear

50

What famous American monument was originally intended to serve as a lighthouse but proved too dim for ships?


The Statue of Liberty

50

What type of tree produces acorns?


Oak tree

50

The more of me you take away, the bigger I become. What am I?


A hole

100

What is the name of the imaginary line that divides Earth into the Eastern and Western Hemispheres, opposite the Prime Meridian?


The 180th meridian

100

What metal is liquid at normal room temperature and was once commonly used in thermometers?


Mercury

100

What ancient city was rediscovered in the 1700s after being buried by the eruption of Mount Vesuvius in AD 79?


Pompeii

100

What is the largest desert in the world when both hot and cold deserts are included?


Antarctica

100

I can be cracked, made, told, and played. What am I?


A joke

150

What is the only letter that does not appear in the name of any U.S. state?


Q

150

What is the name of the process in which a solid changes directly into a gas without becoming a liquid first?


Sublimation

150

What familiar kitchen appliance was invented after an engineer noticed a candy bar melting in his pocket near radar equipment?


The microwave oven

150

What is the name of the deepest known point in Earth's oceans?


Challenger Deep

150

A man looks at a photograph and says, "Brothers and sisters, I have none, but that man's father is my father's son." Who is in the photograph?


His son

200

What everyday invention was inspired by a scientist noticing burrs sticking to his dog's fur?


Velcro

200

What phenomenon causes a pencil to appear bent when placed in a glass of water?


Refraction

200

What was the name of the first artificial satellite launched into space in 1957?


Sputnik 1

200

What unusual mammal lays eggs, has a duck-like bill, and can detect electrical signals from its prey?


Platypus

200

A clock takes 6 seconds to strike 4 o'clock. How many seconds will it take to strike 8 o'clock, assuming the strikes are evenly spaced?


14 seconds (4 strikes have 3 intervals, so each interval is 2 seconds. Eight strikes have 7 intervals.)

500

What scientific scale is used to measure the hardness of minerals by testing which minerals can scratch others?

The Mohs hardness scale

500

What country is home to the world's oldest continuously operating company, a construction business founded in 578 AD?

Japan (Kongō Gumi, which now operates as part of another company)