Europe
Asia
Africa
Space
Earth
100

What is the smallest country in the world?

Vatican City/Holy See

100

What country has the highest population in the world?

India

100

What is the largest country in Africa?

Algeria

100

What galaxy do we live in?

The Milky Way

100

Who is the most important human who has/will ever live?

Mr. Moreland

200

What is the longest river in Europe?

Volga

200

What country is the modern home of Persia?

Iran

200

What country is considered the heart of Africa?

The Democratic Republic of the Congo

200

Which moon is the closest in size to the planet it orbits?

Luna, the Earth's moon

200
What is the largest desert on Earth?

Antarctic Desert

300

What country is at the center of Europe, considered the heart of Europe?

Germany

300

What is the name of the geographic feature made up of flat plains that runs from China to Hungary?

Steppe

300

What is the largest island of Africa?

Madagascar

300

Which planet in our solar system is the hottest?

Venus

300

What is the Earth's largest island?

Greenland

400

What European country is trans continental?

Turkey

400

What country has the most islands in Asia?

Indonesia

400

What is the name of the plains where lions, zebras and giraffes live?

The Serengeti

400

How old is the known universe?

13.7 billion years (close enough answers are acceptable)

400

How old is the Earth?

4.5 billion years

500

What century were Italy and Germany founded?

1800s/19th century

500

What 2 rivers were home to the earliest civilizations in Asia?

Tigris and Euphrates 
500

What country is the modern home of the Nubians?

Sudan

500

What 2 planets in our solar system does not have any moons 

Mercury and Venus

500

What is the Earth's deepest lake?

Lake Baikal