1. Civics
   Grammar
2. Mathematics
   Science

There's no actual consensus on how many parts of speech there are. A common number you'll hear is eight. This counts nouns, verbs, adjectives, adverbs, articles, prepositions, conjunctions and interjections.

1. Art
   History
2. Mythology
   Geography

This question would be found in a class on classical (Greek and Roman) mythology. The answer is Juno.

1. Astronomy
   Geology
2. Philosophy
   Mathematics

Pluto has teetered on the edge of planethood for a while now, with astronomers debating whether an object about 20 percent the size of Earth's moon can be called a planet. For now, it's a "dwarf planet."

1. Grammar
   Literature
2. Social studies
   World History

Ralph Ellison wrote the classic "Invisible Man," about race and American culture. Don't confuse it with "The Invisible Man," a strictly sci-fi classic by H.G. Wells.

1. Astronomy
   Biology
2. Chemistry
   Mathematics

This is a basic (though impressive-sounding) biology question. The list goes: Kingdom, Phylum, Class, Order, Family, Genus and Species.

1. Civics
   English
2. Mathematics
   Science

"Abnegation" means "putting aside or denying." (The root is "negation," and "ab" is a prefix meaning "away.") Don't use it interchangeably with "self-abnegation" -- you need the prefix for it to have that specific meaning.

1. American literature
   Economics
2. Social studies
   U.S. history

The Missouri Compromise allowed MIssouri to enter the Union as a slave state. The "compromise" was that Maine was admitted as a free state.

1. Algebra
   History
2. Literature
   Zoology

The Punic Wars are something you'd study in world history. It's also a favorite name for students to alter by changing a letter in textbooks. (What? We were thinking "Panic Wars." What were you thinking?)

1. Literature
   European history
2. World history
   Social studies

Hatshepsut was one of the female pharaohs of Egypt. She would be studied in a world history class, not European.

1. Geography
   Geology
2. Astronomy
   Zoology

The Mason-Dixon line is commonly said to separate the northern U.S. from the South (though it doesn't extend across the country; not even into the Midwest). It was laid out by surveyors in the 18th century.

1. Chemistry
   Geology
2. Physics
   Zoology

The core, mantle and crust are the three general sections the planet Earth is divided into. The core, at the center of the Eart, is the hottest.

1. Business math
   Calculus
2. Physics
   Zoology

Compound interest is a fairly basic concept in economics. It might also be found in "life skills" courses.

1. American history
   Government
2. World history
   Either #1 or #2

This is more likely to be a government or civics question. But since the bill was signed into law several years ago, and Obama's presidency is now in the history books, it could also qualify as U.S. history.

1. Calculus
   Chemistry
2. Physics
   World history

Gravity causes acceleration of 9.8 feet per second squared. You learn this in physics class.

1. Biology
   Geology
2. Physics
   Physical education

These are the three types of rock. Naturally, that makes this question fall under "geology."

1. Biology
   Latin
2. History
   Mathematics

"Lux" means "light" in Latin. It's a third-declension noun, so the "x" changes to a "c" as it's declined: lucis, luci, lucem, luce. From this we get our word "lucid," and others.

1. Biology
   Geology
2. Geography
   World history

Lake Baikal, the world's deepest lake and possibly its oldest, is in Russia. So you'd study this in geography.

1. Biology
   Chemistry
2. Government
   World history

Atoms are also studied in physics, especially the subatomic particles and the field of quantum physics. However, you'll learn the basic part of the atom and how atoms behave in chemistry.

1. Business math
   History
2. Literature
   Current events

The U.S. Constitution was accepted by a majority of delegates on this date. This isn't the same thing as the individual states ratifying the document -- Rhode Island didn't officially ratify the Constitution until 1970!

1. Anatomy
   Geometry
2. Grammar
   Physics

A preposition shows a relationship between nouns. Over, under, by, around ... these are all prepositions.

1. Grammar
   Italian
2. Music
   Either #2 or #3

"Pianoforte" is a term in music meaning "starting softly, then growing louder." Since it's Italian, you might learn it in Grammar as well as in Italian class.

1. Civics
   English
2. Etiquette
   History

The sentence above has a subject-verb agreement problem (which you probably knew). This falls under English, and more specifically, grammar.

1. French
   German
2. Italian
   Philosophy

"Beurre" is the French word for "butter." You'll want to know this if you're taking a trip to France that's centered on enjoying the food.

1. Biology
   Economics
2. Physics
   Social Studies

The theory of impenetrability says that no two units of matter can occupy one unit of space. This is why when you drive a nail into a wall, the wood has to move aside to make room.

1. Current events
   Geography
2. U.S. history
   World history

Franz Ferdinand was the heir to the Austro-Hungarian empire. A Serbian nationalist killed him in Sarajevo, starting the chain of events that led to WWI.

1. Art history
   French
2. Music
   Spanish

Caravaggio was a talented, controversial artist. His full name was Michelangelo Merisi da Caravaggio, and he is always called "Caravaggio" to avoid confusion with Michelangelo, the artist behind the Sistine Chapel.

1. Chemistry
   Physics
2. Music
   Wood shop

Shop classes aren't dead, folks! Neither is "home economics," though it's often rebranded as "life skills" or "family science."

1. English
   Geography
2. Social studies
   World history

Though the name might remind you of "Vietnam," Surinam is in South America. It used to be called Dutch Guyana.

1. French
   Literature
2. Music
   Spanish

Unreliable narrators are relatively rare in fiction, and a fairly modern phenomenon. Essentially, the phrase means that the person telling the story might be lying to you, the reader -- some of the things he or she said happened might not have happened, and so on.

1. Chemistry
   Geography
2. Physics
   Zoology

The noble gases are a group of elements that are colorless, odorless and have very low reactivity. They include helium, argon and neon.

1. Astronomy
   Home economics
2. Nutrition
   Either #2 or #3

If you've followed the Diet Wars over the past ten years, you know what macronutrients are: carbohydrate, protein and fat/lipid. (Actually, there's a fourth, alcohol, but it's rarely mentioned). This is clearly a nutrition question, but you might also learn it in home economics, which nowadays covers how to be a well-educated grocery consumer and home cook.

1. Art history
   Mathematics
2. Music
   Physics

"Beats" and "measures" are the province of music class. Often, the first beat in a measure is called the "downbeat."

1. Film studies
   Literature
2. Music
   Any of these

A "motif" is a small repeating theme or detail. This term turns up in many of the arts, including the three above.

1. Civics
   Geometry
2. Physics
   Trigonometry

The Miranda rule gave us the Miranda rights ("You have the right to remain silent.") You'd most likely learn about it in civics class, in which you learn about the laws and procedures that keep U.S. society running.

1. Astronomy
   Geography
2. U.S. history
   World history

Yes, this one is a little bit of a trick question. It sounds like geography, but the Sea of Tranquility is on the moon, putting this question firmly in the astronomy camp.