Math
This basic operation is often described as the inverse of addition.
What is subtraction?
This organ in the human body is responsible for pumping blood throughout the circulatory system.
What is the heart?
This war, fought between 1914 and 1918, was known as "The Great War" before World War II occurred.
What is World War I?
This famous playwright wrote Romeo and Juliet and Hamlet.
Who is William Shakespeare?
This is the largest country by land area in the world.
What is Russia?
This mathematical constant is approximately 3.14159 and represents the ratio of a circle's circumference to its diameter.
What is pi?
The process by which plants convert sunlight into chemical energy is called this.
What is photosynthesis?
This U.S. document, adopted in 1787, established the framework for the federal government and is the oldest written national constitution still in use.
What is the U.S. Constitution?
This is the term for a word that imitates the sound it represents, like "buzz" or "clang."
What is onomatopoeia?
This is the capital city of Canada.
What is Ottawa?
This type of number can only be divided by 1 and itself, such as 2, 3, 5, and 7.
What is a prime number?
This element has the chemical symbol "Au" and is known for its yellow color and high conductivity.
What is gold?
This 1917 event led to the overthrow of the Romanov dynasty and the establishment of a communist government in Russia.
What is the Russian Revolution?
This term refers to the central idea or message of a literary work.
What is the theme?
This mountain, located in Japan, is an active volcano and the highest peak in the country.
What is Mount Fuji?
The equation "y = mx + b" is the slope-intercept form of this type of equation.
What is a linear equation?
This scientist developed the theory of general relativity, fundamentally changing our understanding of gravity.
Who is Albert Einstein?
This famous document, signed in 1215, limited the power of the English king and laid the foundation for modern democracy.
What is the Magna Carta?
This classic novel by George Orwell features a dystopian society under constant surveillance, with a leader known as Big Brother.
What is 1984?
This island nation is located southeast of the United States, famous for its unique wildlife and a large number of endemic species.
What is Cuba?
This mathematical concept refers to the limit of a sequence of numbers or functions as it approaches a specific value, often used in calculus to describe the behavior of functions at points where they are not explicitly defined.
What is a limit?
This gas makes up about 78% of the Earth's atmosphere.
What is nitrogen?
This ancient empire, known for its advanced road system, was located in modern-day Iran and was defeated by Alexander the Great.
What is the Persian Empire?
This type of poem, originating in Italy, has 14 lines and follows a specific rhyme scheme, often focusing on themes of love.
What is a sonnet?
This desert in northern China and southern Mongolia is known as the world’s largest cold desert.
What is the Gobi Desert?