Anime
Marvel
Books
Science
History
100

This young ninja with a dream of becoming the leader of his village famously wears an orange jumpsuit.

Naruto Uzumaki

100

This green, rage-fueled Avenger is the massive alter ego of the brilliant scientist Bruce Banner.

Hulk

100

The lightning-bolt-scarred boy wizard who attends Hogwarts School of Witchcraft and Wizardry.

Harry Potter

100

The common chemical formula H2O represents this essential, life-sustaining liquid.

Water

100

The 16th President of the United States, who issued the Emancipation Proclamation during the American Civil War.

Abraham Lincoln

200

In this hit anime, humanity lives inside cities surrounded by massive walls to protect themselves from giant, man-eating humanoids.

Attack on Titan

200

The highly trained former Russian spy and assassin who becomes a founding member of the Avengers.

Black Widow

200

In this dystopian novel, 16-year-old Katniss Everdeen volunteers as tribute to save her younger sister, Prim.

The Hunger Games
200

Known for its Great Red Spot, this striped gas giant is the largest planet in our solar system.

Jupiter

200

This ancient empire built the Colosseum and was ruled by famous leaders like Julius Caesar and Augustus.

Roman Empire

300

The dark fantasy series where high schooler Yuji Itadori gains powers after swallowing a cursed finger.

Jujutsu Kaisen

300

This blind lawyer from Hell's Kitchen fights crime at night as "The Man Without Fear."

Daredevil (Matt Murdock)

300

This fictional 12-year-old boy discovers his ADHD and dyslexia are actually signs that he is a demigod son of Poseidon.

Percy Jackson

300

The biological process by which an animal physically develops after birth or hatching, such as a caterpillar turning into a butterfly.

Metamorphosis

300

The massive global conflict that officially began with the invasion of Poland in 1939 and ended in 1945.

World War II

400

In Demon Slayer, Tanjiro carries this younger sister in a wooden box during the day after she is turned into a demon.

Nezuko

400

Peter Quill, also known as Star-Lord, leads this ragtag group of cosmic misfits that includes a talking raccoon.

Guardians of the Galaxy

400

In this classic S.E. Hinton novel, the working-class "Greasers" have a fierce rivalry with the wealthy "Socs."

The Outsiders

400

This specific type of cell in the human body is responsible for carrying oxygen from the lungs to the rest of the body.

Red blood cells

400

The ambitious military leader who rose to prominence during the French Revolution and crowned himself Emperor of France in 1804.

Napoleon Bonaparte

500

The number-one hero in My Hero Academia who passes his quirk, "One For All," down to Izuku Midoriya.

All Might

500

The terrifying magical dimension where Doctor Strange traps Dormammu in a time loop until he agrees to bargain.

Dark Dimension

500

In this famous dystopian novel by Ray Bradbury, "firemen" are hired to burn books in order to suppress independent thinking.

Fahrenheit 451

500

The outermost solid shell of the Earth, which sits directly above the mantle.

Crust

500

The historical era starting in the 18th century that saw a massive shift from hand-production methods to machines and factories.

Industrial Revolution

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