Math
The number of wheels on 13 cars.
What is 52?
The planet known as the "Red Planet."
What is Mars?
The ancient trade route connected the East and West.
What is the Silk Road?
The continent that contains both the highest and lowest points on Earth.
What is Asia?
In baseball, this many strikes gets a batter out.
What is three?
In algebra, a letter for an unknown value.
What is a variable?
The gas that makes up most of the Earth's atmosphere.
What is nitrogen?
The first four U.S presidents assassinated in office were Lincoln, Garfield, McKinley, and this one.
Who is John F. Kennedy?
This country is known as the "Land of the Rising Sun."
What is Japan?
This sport is called the "sport of kings".
What is polo?
The name of the ratio of a circle's circumference to its diameter.
What is Pi?
The organ that produces insulin.
What is the pancreas?
The civilization, known as the "land between two rivers," developed cuneiform writing.
What is Mesopotamia?
The landform that marks the lowest elevation on Earth's surface.
What is the Dead Sea?
This country has won the most FIFA World Cup titles.
What is Brazil?
The hypotenuse of a right triangle with legs 6 and 8.
What is 10?
An object in space that creates its own light through nuclear fusion.
What is a star?
This 1215 English document guaranteed certain rights and the meeting of Parliament.
What is the Magna Carta?
The mountain range that runs from Canada down to New Mexico.
What are the Rocky Mountains?
This century was the revival of the Olympics after originally being held in Ancient Greece.
What is the 19th century?
The fraction (8x4)/(2x) simplifies to this.
What is 4x3?
The three main parts of a comet.
What are the nucleus, tail, and coma?
The year the Berlin Wall fell, symbolizing the end of the Cold War.
What is 1989?
The country that shares its longest land border with France.
What is Brazil?
This sport has been banned by the Scottish government on three occasions because it was believed that it interfered with military training.
What is golf?