This country is home to the Great Pyramid of Giza.
What is Egypt?
This scale measures the intensity of earthquakes.
What is the Richter scale?
This physicist developed the theory of relativity.
Who is Albert Einstein?
This 2008 film features the line “Why so serious?”
What is The Dark Knight?
This is the hardest natural substance on Earth.
What is diamond?
This wall fell in 1989, symbolizing the end of the Cold War.
What is the Berlin Wall?
This gas makes up about 78% of Earth’s atmosphere.
What is nitrogen?
This civil rights leader delivered the “I Have a Dream” speech.
Who is Martin Luther King Jr.?
This Pixar film follows a robot left to clean up Earth after humans leave.
What is WALL-E?
This is the main gas humans exhale.
What is carbon dioxide?
This explorer is credited with reaching the Americas in 1492.
Who is Christopher Columbus?
This is the chemical symbol for gold.
What is Au
This British prime minister led the UK through most of World War II.
Who is Winston Churchill?
This 2010 film revolves around entering dreams within dreams.
What is Inception?
This is the term for animals that eat both plants and meat.
What are omnivores?
This 1986 nuclear disaster occurred in present-day Ukraine.
What is Chernobyl?
This is the process by which plants convert sunlight into energy.
What is photosynthesis?
This writer created the Sherlock Holmes detective character.
Who is Arthur Conan Doyle?
This 2009 sci-fi film directed by James Cameron is set on the planet Pandora.
What is Avatar?
This device measures atmospheric pressure.
What is a barometer?
This empire, centered in modern-day Turkey, fell in 1922 after over 600 years of rule.
What is the Ottoman Empire?
This law states that energy cannot be created or destroyed, only transformed.
What is the First Law of Thermodynamics?
This Renaissance artist painted the ceiling of the Sistine Chapel.
Who is Michelangelo?
This 2004 film, directed by Michel Gondry and features Jim Carrey, explores memory erasure after a relationship ends.
What is Eternal Sunshine of the Spotless Mind?
This is the term for a word that reads the same forward and backward.
What is a palindrome?