WORLD & GEOGRAPHY
SCIENCE & NATURE
HISTORY
FOOD & CULTURE
BRAIN TEASERS
100

What is the largest ocean on Earth?

Pacific Ocean

100

What gas do plants absorb from the atmosphere?

Carbon dioxide

100

Who was the first president of the United States?

George Washington

100

What country is sushi originally from?

Japan

100

What has a face and two hands but no arms or legs?

A clock

200

Which country has the most natural lakes in the world?

Canada

200

What is the hardest natural substance on Earth?

Diamond

200

In what year did the Titanic sink?

1912

200

What is the main ingredient in traditional hummus?

Chickpeas

200

If you have three apples and take away two, how many do you have?

Two

300

What is the capital of Australia?

Canberra

300

How many chambers does the human heart have?

Four

300

Which ancient civilization built the pyramids of Giza?

Ancient Egyptians

300

What fruit is known for having its seeds on the outside?

Strawberry

300

What comes once in a minute, twice in a moment, but never in a thousand years?

The letter M

400

Which desert is the largest hot desert in the world?

Sahara Desert

400

What is the name of the process where water turns into vapor?

Evaporation

400

What year did humans first land on the moon?

1969

400

What country is credited with creating the croissant as we know it today?

France

400

A farmer has 17 sheep. All but 9 run away. How many are left?

Nine

500

What is the only continent that stretches across all four hemispheres?

Africa

500

What is the only metal that is liquid at room temperature?

Mercury

500

What famous wall was built to protect ancient China from invasions?

The Great Wall of China

500

What is the main ingredient used to make traditional guacamole?

Avacado

500

You see a boat filled with people. It hasn't sunk, but when you look again, you don't see a single person. Why?

Everyone on the boat is married. There isn't a single person!