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100
What are the three primary states of matter?
Solid, liquid, and gas 
100
Which ancient civilization built the Great Pyramid of Giza?
The Egyptians
100
Which ocean is the largest on Earth?
The Pacific Ocean
100
What do you call a word that means the opposite of another word?
Antonym
100
How many degrees are in a right angle?
90 degrees
200
Which part of a cell is known as the "powerhouse" because it creates energy?
Mitochondria
200
In what year did the United States sign the Declaration of Independence?
1776
200
Which country shares the longest international border with the United States?
Canada
200
Who wrote the famous play Romeo and Juliet?
William Shakespeare
200
What is the only even prime number?
2
300
Which planet is known as the "Red Planet"?
Mars
300
Which major world war took place between 1939 and 1945?
World War ll
300
Which continent is the least populated and covered mostly by ice?
Antarctica
300
Which punctuation mark is used to show a sudden break in a sentence or to emphasize a point?
An dash (—)
300
How many centimeters are in one meter?
100
400
What is the process called when plants use sunlight to make their own food?
Photosynthesis
400
Who painted the Mona Lisa?
Leonardo da Vinci
400
What is the longest river in the world?
The Nile
400
A Japanese poem consisting of three lines with a 5-7-5 syllable structure is called what?
A Haiku
400
If you add a set of numbers and then divide by how many numbers there are, what is that result called?
Average
500
On the periodic table, what element does the symbol "O" stand for?
Oxygen
500
Who refused to give up her seat on a bus in Montgomery, Alabama, sparking a famous protest?
Rosa Parks
500
In which city would you find the Colosseum?
Rome (Italy)
500
What is the term for the main "hero" or central character of a story?
Protagonist
500
In math and science, what number does the prefix "Kilo-" represent?
1,000