Math
Biology
US History
Movies & TV
Riddles
100

What is the square root of 196?

14

100

During photosynthesis, what gas do plants take in from the atmosphere?

carbon dioxide or CO2

100

Who was the first president of the US

George Washington

100

What superhero is known as "the Man of Steel"?

superman

100

I'm tall when I'm young, and I'm short when I'm old. What am I?

a candle

200

What is the value of x in: 20x-217=583

40

200
What is the name of the process where DNA is copied before cell division?

DNA replication

200

What document officially declared the American colonies independent from Britain? 

Declaration of Independence

200

In The Simpsons, what is Homer's favorite drink?

Beer

200

The more you take, the more you leave behind. what am i

footsteps

300

Rewrite in logarithmic form:

23=8

log2(8)=3
300

What structure controls what enters and leaves the cell?

Cell membrane

300

What was the main issue that led to the Civil War?

Slavery

300

In Breaking Bad, what is walter white's alias?

Heisenburg

300

The person who makes it sells it. The person who buys it never uses it. The person who uses it never knows they're using it? What is it?

a coffin

400

Given a dataset of 10 cricket match scores: 90, 45, 50, 60, 70, 65, 75, 80, 38, 85

Find the mean and median 

mean - 65.8

median - 67.5

400

What is the final electron acceptor in cellular respiration?

oxygen

400

What amendment granted women the right to vote?

19th amendment 

400

wizarding boy attends Hogwarts and faces Voldemort in a series of eight movies

Harry Potter

400

I have cities, but no houses. I have mountains but no trees. I have water, but no fish. What am I?

a map

500

What is the derivative of cos(4x2)

-8xsin(4x2)

500

What blood cell helps fight infection?

white blood cells or leukocytes

500

What movement, led by the figure MLK, fought for equal rights in the 1950s-60s?

Civil Rights Movement

500

The 1994 film follows the life story of a man with a low IQ who witnesses and influences major historical events.

Forrest Gump

500

I can fly without wings. I can cry without eyes. Wherever I go, darkness flies. What am I?

a cloud