Math
What is x=1?
The year the Declaration of Independence was signed
What is 1776?
The basic unit of life.
What is a cell?
The force that attracts objects toward the center of the Earth.
What is gravity?
The co-founder of Microsoft known for his philanthropy.
Who is Bill Gates?
The slope of the line represented by the equation y = 0.9x + 7.
What is 0.9?
The first president of the United States.
Who is George Washington?
The process by which plants convert sunlight into chemical energy.
What is photosynthesis?
The layer of the Earth where we live.
What is the crust?
The CEO of Tesla and SpaceX.
Who is Elon Musk?
The formula for the area of a circle.
What is pi*r^2?
The purchase that doubled the size of the United States in 1803.
What is the Louisiana Purchase?
The molecule that carries genetic information in living organisms.
What is DNA?
The process by which water vapor turns into liquid water.
What is condensation?
The search engine company founded by Larry Page and Sergey Brin in 1998.
What is Google?
The length of the hypotenuse in a right triangle with legs of lengths 3 and 4.
What is 5?
The explorer who is credited with discovering the New World in 1492.
Who is Christopher Columbus?
The closest planet to the Sun.
What is Mercury?
The speed of light in a vacuum, in meters per second.
What is approximately 3×10^8 meters per second?
The Apple device that combines a phone, an iPod, and an Internet communicator.
What is the iPhone?
The value of x in the equation x^2 - 5x + 6 = 0.
What is 2 or 3?
The movement to end racial segregation and discrimination against African Americans.
What is the Civil Rights Movement?
The term for a star that has collapsed under its own gravity to the point where it emits no light.
What is a black hole?
The pH value of a neutral solution.
What is 7?
The gaming console developed by Sony, first released in 1994.
What is the PlayStation?