Revolutionaries and Reformers
Tech That Changed Everything
Mythology Beyond Olympus
Music Through The Decades
The Science of Everyday Life
400

This civil rights leader delivered the famous “I Have a Dream” speech in 1963.

Martin Luther King Jr

400

This company launched the iPhone in 2007, redefining the smartphone industry.

Apple

400

In Norse mythology, this hammer-wielding god is the son of Odin.

Thor

400

This “King of Pop” released Thriller in 1982, still the best-selling album of all time.

Michael Jackson
400

Water turns into this state of matter when it freezes at 32°F (0°C).

What is a solid?

800

This nonviolent Indian leader led the Salt March in 1930 to protest British taxation.

Mahatma Gandhi

800

This company created the first commercially successful graphical operating system with Windows 3.0 in 1990.

Microsoft

800

In Hindu mythology, this blue-skinned deity is often depicted playing a flute and is known for his teachings in the Bhagavad Gita.

Krishna

800

This British band’s 1967 album Sgt. Pepper’s Lonely Hearts Club Band is often considered one of the greatest ever.

The Beatles

800

Humans see lightning before hearing thunder because light travels faster than this type of wave.

Sound

1200

Known as “The Iron Lady,” she became the first female Prime Minister of the United Kingdom.

Margaret Thatcher

1200

This 1970s invention by Ray Tomlinson became the first widely used method of digital communication.

Emails

1200

Anubis, the jackal-headed god of embalming and the afterlife, appears in this ancient mythology.

Egyptian Mythology
1200

This singer became the youngest artist ever to sweep all four major Grammy categories in 2020.

Billie Eilish

1200

This gas makes up about 78% of the Earth’s atmosphere.

Nitrogen

1600

This Russian revolutionary wrote The Communist Manifesto with Friedrich Engels

Karl Marx
1600

This chip manufacturer’s “8086” processor became the foundation of modern PC architecture.

Intel

1600

This trickster god of Norse mythology is known for shapeshifting and causing mischief among the gods.

Loki

1600

This Seattle band’s 1991 album Nevermind helped bring grunge into the mainstream with its hit “Smells Like Teen Spirit.”

Nirvana

1600

This force keeps your car moving forward when you hit the brakes — the reason you lurch ahead.

Inertia

2000

This South American liberator helped free countries like Venezuela and Colombia from Spanish rule.

Simón Bolívar?

2000

This 2016 breakthrough in artificial intelligence saw Google DeepMind’s AlphaGo defeat a world champion in this strategic board game.

Go
2000

In Egyptian mythology, this sun god travels across the sky in a solar boat each day. He also plays receiver for the Lions

Ra

2000

This King of Rock and Roll had his first No. 1 hit in 1956 with “Heartbreak Hotel.”

Elvis Presley

2000

This scientific term describes the upward force that keeps objects floating in water; Archimedes famously discovered it.

Buoyancy

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