History
Breakthrough Inventions
Science
Food & Drink
Nature
100

The famous wall built in China to protect against invaders

What is the Great Wall of China?

100

He invented the first practical telephone

Who is Alexander Graham Bell?

100

The force that pulls objects towards the center of the Earth

What is gravity?

100

The only fruit with seeds on the outside

What is a strawberry?

100

The hottest desert on Earth

Where is the Sahara Desert?

200

The ship that brought the Pilgrims to America

What is the Mayflower?

200

He invented the first commercially successful light bulb

Who is Thomas Edison?

200

The gas that plants absorb from the air to produce food

What is Carbon dioxide?

200

The only food that will never go bad

What is honey?

200

The hardest natural substance on Earth

What is diamond?

300

The leader of the Mongol Empire that conquered vast territories across Asia

Who is Genghis Khan?

300

The technology that allows us to access the internet from anywhere using a portable device

What is the World Wide Web (WWW)?

300

The chemical symbol for water

What is H2O?

300

The most popular spice in the world 

What is pepper?

300

The largest mammal on Earth

What is the Blue Whale?

400

The ancient civilization known for its pyramids and hieroglyphics

Who are the Egyptians?

400

The medical device used to measure blood pressure

What is a sphygmomanometer?

400

The smallest unit of matter

What is an atom?

400

This country is the world's largest producer of olive oil

Where is Spain?

400

The largest ocean on Earth

Where is the Pacific Ocean?

500

Major war that led to the formation of the United States of America

What is the American Revolutionary War?

500

The first successful vaccine developed to prevent a major disease

What is the smallpox vaccine? (developed by Edward Jenner)

500

He is credited with developing the theory of relativity

Who is Albert Einstein?

500

The country that exports the most coffee beans

Where is Brazil?

500

The process by which plants create their own food using sunlight

What is photosynthesis?

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