Geography
What is the smallest country in the world by land area?
Vatican City
Which empire built the Great Wall of China to defend itself from invasions?
The Chinese Empire (Qin Dynasty)
What type of energy do plants use for photosynthesis?
Solar energy
This number is the only one that is neither positive nor negative.
Zero
What was the first animated film to win an Oscar for Best Picture?
Beauty and the Beast (1991)
Which country has the longest land border in the world?
Canada
What treaty ended World War I?
Treaty of Versailles (1919)
What is the most abundant metal in the Earth's crust?
Aluminum
The number π (pi) represents the ratio between the circumference and the diameter of which geometric shape?
The Circle
Which artist holds the record for the best-selling album of all time?
Michael Jackson (Thriller)
What is the deepest lake in the world?
Lake Baikal, Russia
What was the code name for the U.S. project that developed the first atomic bomb?
The Manhattan Project
What is the force responsible for keeping planets in orbit around the Sun?
Gravity, specifically gravitational attraction
This mathematical operation is the inverse process of exponentiation.
Root extraction (Radication)
What is the best-selling video game of all time?
Minecraft
What is the largest desert in the world by surface area?
Antarctica (largest polar desert)
What event in 1929 caused a global economic crisis and affected millions of people?
The Great Depression
What is the difference between a white dwarf star and a neutron star?
A white dwarf is the remnant of a small star, while a neutron star forms from the collapse of a massive star.
This set of numbers includes rational, irrational, integer, and natural numbers.
Real numbers
Which film director has won the most Academy Awards for Best Director?
John Ford, with 4 awards.
This city is the only one in the world that is located on two continents at the same time.
Istanbul, Turkey
Which ancient civilization developed the first known writing system?
The Sumerians (Cuneiform script)
What type of subatomic particles are made up of quarks?
Protons and neutrons.
This mathematical function, used in calculus, describes the instantaneous rate of change of a dependent variable with respect to an independent one.
Derivative
What is the longest-running science fiction TV series in history?
Doctor Who