This mathematical constant is approximately 3.1419
Pi
H2O is the chemical formula for what common substance?
Water
The Declaration of Independence was signed in this U.S. city.
Philadelphia
This ancient Ethiopian city is known for its rock-hewn churches.
Lalibela
Which country won the first-ever FIFA World Cup in 1930?
Uruguay
The square root of 64
8
In the periodic table, what element has the symbol 'O'?
Oxygen
Who was the 16th President of the United States?
Abraham Lincoln
Who was the last emperor of Ethiopia, overthrown in 1974?
Haile Selassie
What is the name of the prestigious European club competition for football?
UEFA Champions League
In geometry, this term refers to a straight line that touches a curve at a single point without crossing it.
Tangent
This force pulls objects towards the center of the Earth.
Gravity
What event marked the beginning of the U.S. involvement in World War II?
Pearl Harbor
Ethiopia is one of the oldest countries in the world and was formerly known as this historical name.
Abyssinia
Which country hosted the 2018 FIFA World Cup?
Russia
In algebra, these are the unknowns represented by letters.
Variables
What is the process by which plants make their own food using sunlight?
Photosynthesis
In what year did the United States gain independence from Great Britain?
1776
What ancient kingdom, with its capital at Aksum, was a major player in the trade along the Red Sea?
Kingdom of Aksum
Who is the all-time top scorer in the history of the FIFA World Cup?
Miroslav Klose
This famous theorem states that in a right-angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.
Pythagorean Theorem
In physics, what is the unit of measurement for electrical resistance?
Ohm
This civil rights leader delivered the famous "I Have a Dream" speech in 1963.
Martin Luther King Jr.
This 20th-century Ethiopian leader played a key role in resisting Italian occupation during the First Italo-Ethiopian War.
Menelik II
In what year did Pele win his first FIFA World Cup with Brazil?
1958