Math
Vocab
History
Science
Riddles
100

the ratio of a circle's circumference to its diameter; equal to 3.14159265358979323846...

What is Pi?

100

The physical features of an area.

What is Geography?

100

This was the first man to walk on the moon.

Who is Neil Armstrong?

100

the basic unit of structure and function in an organism

What is a Cell?

100

If you know me, you'll want to share me but if you share me, I'll be gone.

What is a secret?

200

facts provided or learned about something or someone.

What is information? 

200

The bombing of Pearl Harbor is associated with this war.

What is World War II?

200

A living thing

What is an Organism?

200

what belongs to you, but others will use it

What is your name?

300

orders or directions on how to carry out an operation or task

What are Instructions?

300

This was the President of the United States during World War II.

Who is Franklin D. Roosevelt?

300

This is energy in motion.

What is Kinetic Energy?

300

I see without seeing, to me darkness is as clear as daylight. What am I?

What is a Bat?

400

The study of past events

What is History?

400

This was the codename for the creation of the atomic bomb.

What is the Manhattan Project?

400

the process by which species gradually change over time.

What is Evolution?

400

I have both a head and a tail, but no legs. What am I?

What is a Penny?

500

being certain of your abilities or having trust in people, plans or the future

What is Confident?

500

This inventor created the lightbulb.

Who is Thomas Edison?

500

A trace of an ancient organism that has been preserved in rock or other substance

What is a Fossil?

500

what has two hands, a round face, always runs, yet always stays in place, too?

What is a clock?