RIDDLES
SCIENCE
ANIMALS
ENTERTAINMENT
HISTORY
100

I turn once, what is out will not get in. I turn again, what is in will not get out. What am I?

key

100

What planet is known as the Red Planet?

Mars

100

What is the fastest land animal?

cheetah

100

Who is known as the "King of Pop"?

Michael Jackson

100

What was the main cause of the American Civil War?

slavery

200

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

candle

200

What is the powerhouse of the cell?

mitochondria

200

Which mammal can fly?

bat

200

Who played the character of Forrest Gump in the movie of the same name?

Tom Hanks

200

Who was assassinated on November 22, 1963, in Dallas, Texas?

JFK

300

What building has the most stories?

library

300

What gas do plants absorb from the atmosphere during photosynthesis?

CO2
300

Which aquatic animal is known for its intelligence and use of tools?

dolphins

300

Which film franchise features a character named Captain Jack Sparrow?

Pirates of the Caribbean

300

What was the purpose of the Magna Carta signed in 1215?

To limit the powers of the king and establish certain legal protections

400

I have branches, but no fruit, trunk, or leaves. What am I?

bank 

400

What is the most abundant gas in the Earth's atmosphere?

nitrogen
400

What is the purpose of the spot on spot tail fish?

resemble an eye

400

Which singer is known for the hit song "Rolling in the Deep"?

Adele

400

What significant event took place on June 6, 1944, during World War II?

D-Day

500

What has a bottom at the top?

leg

500

What type of bond involves the sharing of electron pairs between atoms?

covalent

500

Which animal is known for having blue blood due to the presence of hemocyanin?

horseshoe crabs

500

Who played the character of Tony Stark / Iron Man in the Marvel Cinematic Universe?

Robert Downey Jr

500

Which country did the United States purchase Alaska from in 1867?

Russia