This is the most abundant gas in the Earth's atmosphere.
What is nitrogen?
This river, the second longest in the world, flows through Brazil and empties into the Atlantic Ocean.
What is the Amazon River?
This Dutch painter is famous for cutting off part of his own ear.
Who is Vincent van Gogh?
This 1803 acquisition doubled the size of the United States.
What is the Louisiana Purchase?
This pop star's 2014 album "1989" included hits like "Shake It Off" and "Blank Space."
Who is Taylor Swift?
This element, with the atomic number 6, is the basis for all known life and forms the backbone of organic chemistry.
What is carbon?
This city is known as the "Eternal City."
What is Rome?
This artist is known for the frescoes on the ceiling of the Sistine Chapel.
Who is Michelangelo?
This event, which occurred on April 18, 1775, involved Paul Revere's famous midnight ride warning that "the British are coming."
What is the Battles of Lexington and Concord?
This television series, set in the fictional town of Hawkins, Indiana, features a group of kids battling supernatural forces.
What is Stranger Things?
This organ in the human body is responsible for filtering and detoxifying the blood.
What is the liver?
This country is both in Europe and Asia.
What is Turkey?
Known for his "Blue Period," this Spanish artist co-founded the Cubist movement.
Who is Pablo Picasso?
This event on December 7, 1941, led to the U.S. entering World War II.
What is the attack on Pearl Harbor?
This film director is known for blockbuster hits like "Jurassic Park," "E.T. the Extra-Terrestrial," and "Indiana Jones."
Who is Steven Spielberg?
This scale is used to measure the acidity or alkalinity of a solution, with 7 being neutral.
What is the pH scale?
This body of water, the largest inland body of water in the world, is bordered by five countries, including Russia and Iran.
What is the Caspian Sea?
This American artist is famous for his drip paintings and is a key figure in abstract expressionism.
Who is Jackson Pollock?
This 19th-century policy declared by President James Monroe warned European nations against further colonization in the Americas.
What is the Monroe Doctrine?
This British singer gained international fame with her debut album "19" and hits like "Rolling in the Deep."
Who is Adele?
This scientist developed the theory of general relativity.
Who is Albert Einstein?
This strait separates the southern tip of Spain and the northern tip of Morocco, connecting the Atlantic Ocean to the Mediterranean Sea.
What is the Strait of Gibraltar ?
This painting by Edvard Munch depicts a figure with an agonized expression against a tumultuous sky.
What is The Scream?
This landmark Supreme Court case in 1954 declared racial segregation in public schools unconstitutional, overturning the "separate but equal" doctrine.
What is Brown v. Board of Education?
This director is known for films like "Pulp Fiction" and "Kill Bill."
Who is Quentin Tarantino?