Science and space
World Geography
Literature & Mythology
World History
100

This is the closest star to planet Earth

The Sun

100

This is the largest ocean on Earth, covering more area than all of Earth's landmass combined.

Pacific Ocean

100

In Greek mythology, this hero used a wooden horse to sneak his army into the city of Troy.

Odysseus

100

This massive defensive wall was built across historical northern borders to protect ancient dynasties in East Asia.

Great wall of china

200

It is the only planet in our solar system known to have an atmosphere that can support life.

Earth

200

This is the most populous continent in the world, home to countries like China and India.

Asia

200

In this classic fantasy book by J.R.R. Tolkien, Bilbo Baggins goes on a quest to steal treasure from the dragon Smaug.

The Hobbit

200

This 14th-century cultural movement and "rebirth" of art, science, and learning began in Italy.

The Renaissance

300

This basic unit of life is the smallest structure capable of performing all life processes.

The Cell.

300

This European capital city is famous for its Eiffel Tower and the Louvre museum.

Paris

300

This punctuation mark is used to join two independent clauses that are closely related in thought, without using a coordinating conjunction.

semicolon

300

This French military leader and emperor conquered much of Europe in the early 19th century before being defeated at Waterloo.

Napoleon Bonaparte

400

Represented by the letter "c" in physics, this travels at approximately 186,000 miles per second in a vacuum.

The speed of light

400

This long South American river carries more water than any other river in the world.

Amazon River

400

In a story, this literary term describes the main character's primary opponent or rival, often known as the "bad guy."

antagonist

400

The "Magna Carta" was famously signed in this European country in 1215, limiting the absolute power of the king.

England

500

This process, which takes place in a cell's mitochondria, converts glucose and oxygen into usable energy (ATP) for the organism.

Cellular Respiration. 

500

This is the capital city of Australia, chosen as a compromise location between Sydney and Melbourne.

Canberra

500

Rick Riordan’s modern fantasy novel The Lightning Thief heavily features this mythical location, which is guarded by the three-headed dog Cerberus.

The Underworld

500

This ancient trade route spanned over 4,000 miles, connecting China and the Mediterranean for merchants exchanging goods and ideas.

Silk Road

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