History
Who was the first president of the United States?
George Washington
What is 7 × 8?
56
What organ pumps blood through the human body?
The heart
What force pulls objects toward the Earth?
Gravity
What is the largest ocean on Earth?
Pacific Ocean
In which century did the Middle Ages begin?
5th century
What is the value of π (pi) rounded to two decimal places?
3.14
What process do plants use to make their own food?
Photosynthesis
What unit is used to measure electric current?
Ampere (amp)
What continent is Brazil located in?
South America
What major event started World War I in 1914?
The assassination of Archduke Franz Ferdinand
What is the square root of 144?
12
What part of the cell contains genetic material?
The nucleus
What type of energy is stored in a stretched spring?
Potential energy (elastic potential energy)
What is the longest river in the world?
The Nile River
Which ancient civilization built Machu Picchu?
The Inca civilization
What is the name of a triangle with all sides equal?
Equilateral triangle
What system of the body is responsible for breathing?
The respiratory system
What scientist is famous for the theory of relativity?
Albert Einstein
What line divides the Earth into Northern and Southern Hemispheres?
The Equator
Which 1648 treaty ended the Thirty Years’ War and helped establish the modern system of nation-states?
The Peace of Westphalia
What is the name of the number that results from dividing a circle’s circumference by its diameter?
Pi (π)
What molecule carries genetic information from DNA to the ribosome during protein synthesis?
Messenger RNA (mRNA)
What law states that for every action, there is an equal and opposite reaction?
Newton’s Third Law of Motion
What is the name of the imaginary line at 23.5° north of the Equator?
The Tropic of Cancer