Geography
Riddles
Science
History
100
What is the largest country in the world?

Russia

100

I can be seen in the sky, I change shape at night, and I go through phases. What am I?

Moon

100

What force keeps planets in orbit around the Sun?

Gravity

100

Who was the first President of the United States?

George Washington

200

What country is known as the “Land of the Rising Sun”?

Japan

200

I go up but never come down. What am I?

Age

200

What is the hottest planet in our solar system?

Venus

200

What ancient wonder of the world was a massive tomb built for Pharaoh Khufu?

The Great Pyramid of Giza

300

What is the capital of Australia?

Canberra
300

I go up when rain comes down, but I am not alive.

An umbrella

300

What organ in the human body is primarily responsible for filtering blood?

The kidneys

300

What treaty ended World War I in 1919?

The Treaty of Versailles

400

What is the deepest oceanic trench on Earth?

Mariana Trench

400

I am full of holes but still hold water, what am I?

A sponge

400

What blood vessels carry blood away from the heart?

Arteries

400

What two rivers were central to Mesopotamian civilization?

The Tigris and Euphrates Rivers

500

Which country has borders with the most other countries in the world,

China

500

I have a head, a tail, but no body. I am not a snake. What am I?

A coin

500

What organ system is responsible for transporting oxygen and nutrients?

The circulatory system

500

What major trade route connected Europe and Asia in ancient times?

The Silk Road