Science
English
Math
History
Animals
100

What is the gas we breathe out?

Carbon Dioxide 

100

What is the term for words that have the same meaning?

Synonym 

100

What shape has 4 equal sides?

A square
100

Who wrote the Declaration of Independence?

Thomas Jefferson

100

What is the most popular household pet?

Dog/Cat

200

What is Earth's largest ocean?

The Pacific Ocean

200

What is the term for words that have opposite meanings?

Antonyms 

200

How many ounces are in a pound?

16 ounces

200

What was the main issue leading to the American Civil War?

Slavery

200
What is the largest living reptile

Crocodile

300

What is the largest ecosystem on Earth?

The Ocean

300

What is the term for the word that replaces a noun in a sentence?

Pronoun

300

How many feet are in a yard?

3 Feet

300

Who was the leader of the American Revolution?

George Washington

300

What is the largest bird of prey?

The Golden Eagle

400

What is the process by which cells divide?

Mitosis 

400

What is the term for the repetition of consonant sounds in poetry?

Alliteration

400

What is the radius of a circle?

The distance from the center of the circle to the edge of the circle. 

400

Who was the main author of the US Constitution?

James Madison

400

What is the fastest insect?

Dragonfly

500

What is the scientific term for the study of earthquakes?

Seismology

500

What is the term for the use of words to imitate sounds?

Onomatopoeia

500

How many seconds are there in a day?

86400

500

What was the name of the ancient city destroyed by volcanic eruption?

Pompeii 

500

What is the only mammal that lays eggs?

Platypus