This ancient civilization built Machu Picchu high in the Andes Mountains.
Incas
This planet is known as the Red Planet.
Mars
This scientist developed the theory of relativity.
Albert Einstein
This is the largest continent in the world by land area.
Asia
This author wrote the novel 1984, a warning about government surveillance.
George Orwell
This ancient people built the pyramids at Giza around 4,500 years ago.
Egyptians
This gas giant is the largest planet in the solar system.
Jupiter
This inventor is credited with creating the first practical telephone.
Alexander Graham Bell
This is the largest desert in the world — it may not have sand.
Antarctic Desert
Ray Bradbury wrote this novel about censorship and the destruction of books.
Fahrenheit 451
This major document signed in 1215 limited the powers of the English king and is considered an early step toward constitutional government.
The Magna Carta
This is the name of our galaxy, home to the solar system.
Milky Way
This scientist discovered gravity after observing a falling apple — or so the story goes.
Isaac Newton
This river is the longest in the world.
Nile River
This American author wrote The Adventures of Huckleberry Finn.
Mark Twain
This ancient trade route connected Europe and Asia for centuries, carrying silk, spices, and ideas across continents.
The Silk Road
This planet rotates on its side, giving it extreme seasons unlike any other planet.
Uranus
Alexander Fleming discovered this breakthrough in modern medicine.
Penicillin
This Great Lake borders Wisconsin along its eastern edge.
Lake Michigan
Sir Arthur Conan Doyle created this iconic character known for sharp deductive reasoning.
Sherlock Holmes
This ancient Middle Eastern empire built the Royal Road and is known for leaders like Cyrus the Great.
Persian Empire
This planet in our solar system has a day that is longer than its year.
Venus
The Montgolfier brothers are credited with inventing this early form of flight.
Hot‑air Balloon
This mountain range contains Mount Everest, the highest point on Earth.
Himalayas (Hint: The Abominable Snowman in Monsters Inc. welcomes Mike and Sulley to it when they get banished to the human world).
This ancient Greek poet is traditionally credited with writing both The Iliad and The Odyssey.
Homer