Math
What is the value of x in the equation: 2x + 5 = 11
x = 3
What part of the cell is known as the “powerhouse”?
The Mitochondria
Who was the first U.S. president?
George Washington
How many continents are there?
7
Who is known as the “King of Pop”?
Michael Jackson
Simplify: (3x² - 2x + 4) + (2x² + 5x - 1)
5x² + 3x + 3
Speed equals distance divided by...?
Time
What year did the American Revolution start?
1775
What line divides Earth into Northern and Southern Hemispheres?
The Equator
What do we call the speed of a song?
Tempo
Factor: x² - 9x + 20
(x - 4)(x - 5)
What is the name of molten rock beneath Earth’s surface?
Magma
What war was fought between the North and South in the 1860s?
The Civil War
What mountain range separates Europe and Asia?
The Ural Mountains
What wind instrument uses a reed and has a bell-shaped end?
A clarinet
Solve for x: 3(x - 2) = 2(x + 4)
x = 14
What do you call a group that doesn’t get the treatment in an experiment?
The control group
What year did the U.S. enter WWII?
1941
What’s the deepest ocean trench on Earth?
The Mariana Trench
What is the term for playing softly in music?
Piano
Solve: |2x - 1| = 5
x = 3 or x = -2
What law says "for every action there is an equal and opposite reaction"?
Newton's third law
What was the Roman Republic’s main governing body called?
The Senate
What is the capital of Nigeria?
Abuja
What pop star was in the group NSYNC before going solo?
Justin Timberlake