Math
Question: In algebra, this letter is commonly used to represent an unknown or variable.
Answer: What is 'x'?
Question: This gas is essential for all living organisms and is produced during photosynthesis.
Answer: What is oxygen?
Question: The American Revolution officially ended with the signing of this treaty in 1783.
Answer: What is the Treaty of Paris?
Question: The monster in Mary Shelley's "Frankenstein" is often referred to by this name.
Answer: What is Frankenstein's Creature?
Question: This river, often referred to as the "Mother of All Rivers," is the longest river in the world.
Answer: What is the Nile River?
Question: In a right triangle, the side opposite the right angle is called this.
Answer: What is the hypotenuse?
Question: The three states of matter are solid, liquid, and this.
Answer: What is gas?
Question: The Zimmermann Telegram, intercepted during World War I, was a diplomatic proposal from Germany to this country.
Answer: What is Mexico?
Question: This British author is famous for the "Harry Potter" series.
Answer: Who is J.K. Rowling?
Question: This imaginary line, located at 0 degrees longitude, divides the Eastern and Western Hemispheres.
Answer: What is the Prime Meridian?
Question: This mathematical concept, used in calculus, refers to a continuously changing quantity.
Answer: What is a derivative?
Question: The Earth's outer layer is divided into these large pieces that float on the semi-fluid asthenosphere.
Answer: What are tectonic plates?
Question: The Black Death, one of the most devastating pandemics in human history, swept through Europe in the 14th century. Which disease caused the Black Death?
Answer: What is the Bubonic Plague?
Question: Who wrote the play "Hamlet," which revolves around the tragic events in the life of the Prince of Denmark?
Answer: Who is William Shakespeare?
Question: The Great Barrier Reef, the world's largest coral reef system, is located off the northeast coast of this country.
Answer: What is Australia?
Question: Named after a French mathematician, this mathematical principle states that the sum of the squares of the lengths of the two shorter sides of a right-angled triangle is equal to the square of the length of the hypotenuse.
Answer: What is the Pythagorean Theorem?
Question: Named after an English scientist, this law states that the rate of change of momentum of a body is directly proportional to the force applied and occurs in the direction of that force.
Answer: What is Newton's Second Law of Motion?
Question: The Code of Hammurabi is one of the earliest and most complete written legal codes. In which ancient civilization was it created?
Answer: What is Babylon (Mesopotamia)?
Question: What is the title of the novel by George Orwell that explores the consequences of a totalitarian government and features the character Winston Smith?
Answer: What is "1984"?
Question: The Great Wall of China was primarily built to protect against invasions from this nomadic group.
Answer: Who are the Mongols?
Question: This type of number cannot be expressed as a fraction and has a non-terminating, non-repeating decimal expansion.
Answer: What is an irrational number?
Question: This process is responsible for the energy production in the sun and other stars.
Answer: What is nuclear fusion?
Question: The Manhattan Project, which led to the development of the atomic bomb, was undertaken during World War II. In which U.S. state was the first successful test conducted?
Answer: What is New Mexico?
Question: Suzanne Collins is the author of this dystopian trilogy, in which the protagonist Katniss Everdeen competes in the Hunger Games.
Answer: What is "The Hunger Games" trilogy?
Question: The Cyrillic alphabet is associated with the written script of this language.
Answer: What is Russian?