Math
I am 110 - 55.
What is 55?
All animals need food, air, and this to survive.
What is water?
I am the continent that Argentina is on.
What is South America?
I am a collection of synonyms and antonyms.
What is a thesaurus?
The vowels.
What are A E I O U?
I am 91 - 32.
What is 59?
I am the two holes in your nose.
What are nostrils?
I am the imaginary line running around the middle of the Earth.
What is the equator?
A person, place, or thing.
What is a noun?
I am a complete thought/group of words.
What is a sentence?
I am 5 + 6 + 3 + 3 .
What is 17?
I am inside your body to help your arms and legs move.
What are muscles?
I am the capital of Kansas.
What is Topeka?
I go at the end of sentences to complete them; I can be more than just a period.
What is punctuation?
The animal whose footprints are outside this building!
What is a giraffe?
I am 7 - 5 + 2 - 2
What is 2?
I am Earth's only natural satellite.
What is the moon?
I am the biggest city in the USA by population.
What is New York City?
I am attached to the beginning of words to change their meaning.
What is a prefix?
The seven continents.
What are N. America, S. America, Europe, Asia, Africa, Australia, and Antarctica?
I am 5 - 7
What is -2?
I am the group that got us to the moon.
What is NASA?
The number of stars on the American flag.
What is 50?
"The Empire State Building" is this kind of noun.
What is a proper noun?
Every type of creature in the science center lobby.
What are snakes, frogs, turtles, fish, and a water dragon/lizard?