History
Geography
Science
Brain Teasers
Random
100

Which ancient Greek city-state is known for its military discipline and warrior culture?

Sparta

100

Which country is famous for having thousands of islands and is the largest archipelago nation?

Indonesia

100

What is the name of the phenomenon where light bends as it passes through different mediums?

Refraction

100

I speak without a mouth and hear without ears. I have no body, but I come alive with the wind. What am I?

An Echo

100

What’s the only planet in the solar system that spins on its side?

Uranus

200

What revolution, beginning in 1789, led to the fall of the monarchy and the rise of Napoleon Bonaparte?

The French Revolution

200

What is the capital city of Brazil?

Brasilia

200

Which planet has the most moons in the solar system?

Saturn
200

I have keys but no locks, I have space but no room, you can enter but not go outside. What am I?

A Keyboard

200

Which country has no rivers, no lakes, and is one of the driest on Earth — despite being a developed nation

Saudi Arabia

300

This war, fought between 1914 and 1918, was sparked by the assassination of Archduke Franz Ferdinand.

World War I

300

This country is the only one to span two continents: Europe and Asia.

Turkey

300

The chemical symbol Au represents this

Gold
300

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there?

4 sisters, 3 brothers

300

Which number, when written as a word in English, is the first to appear in alphabetical order?

Eight

400

What was the name of the U.S. government project during World War II that developed the first nuclear weapons?

The Manhattan Project
400

This African country is the only one to have both the Atlantic Ocean and the Mediterranean Sea on its coast.

Morocco

400

This phenomenon occurs when light bends as it passes from one medium to another with a different density.

Refraction

400

A man rode into town on Friday. He stayed for three nights and left on Friday. How is that possible?

The horse's name was Friday...

400

The process where a substance transitions directly from a solid to a gas state, without passing through the liquid phase

Sublimation

500

This empire, known for its road system and vast territory in the Americas, was conquered by Spanish conquistadors led by Hernán Cortés.

Aztec Empire

500

This city is the capital of Canada.

Ottawa

500

This particle is exchanged in electromagnetic interactions and is the force carrier for electricity and magnetism.

Photon

500

A woman orders a drink at a restaurant. The waiter brings it to her with ice in it.
She drinks half of it immediately, then lets the rest sit and melt while she chats with a friend.
Later, she finishes the drink.
The next day, she’s found dead — poisoned.
Her friend, who drank from the same pitcher, is fine.
Why did the woman die?

The poison was in the ice, not the drink.
She drank it once it melted. Her friend drank it while it was still frozen

500

This device measures atmospheric pressure and helps forecast weather.

Barometer

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