World History
$100: This ancient civilization-built pyramids as tombs for their pharaohs.
Egypt
$100: This planet is known as the "Red Planet."
Mars
$100: The sum of angles in a triangle equals this many degrees.
180 degrees
$100: This sport uses a puck and is played on ice.
hockey
$100: The capital of France is this city.
Paris
$200: The assassination of this archduke led to the start of World War I.
Archduke Franz Ferdinand
$200: The chemical symbol for gold is this.
Au
$200: The square root of 144 is this number.
12
$200: Michael Jordan is best known for playing this sport.
Basketball
$200: The largest mammal on Earth is this animal.
Blue whale
$300: This empire, led by Julius Caesar, dominated much of Europe around 50 BC.
Roman Empire
$300: This scientist formulated the theory of evolution by natural selection.
Charles Darwin
$300: A shape with 8 sides is known as this.
Octagon
$300: This country hosted the 2016 Summer Olympics.
Brazil
$300: This author wrote Romeo and Juliet.
William Shakespeare
$400: The Cold War primarily involved tensions between these two nations.
United States and the Soviet Union
$400: The process by which plants make their own food using sunlight is called this.
Photosynthesis
$400: The number π (pi) is approximately equal to this value.
3.14
$400: The Super Bowl is the championship game of this sport.
American Football
$400: The official language of Brazil is this.
Portuguese
$500: The Great Fire of London occurred in this year.
1666
$500: The speed of light is approximately this many kilometers per second.
300,000 km/s
$500: The formula for the area of a circle is this.
πr²
$500: Serena Williams is a legendary player in this sport.
Tennis
$500: This is the hardest natural substance on Earth.
Diamond