Math
It's the point-slope formula for a linear equation; any line can be written in this format.
What is y = mx + b?
It's the 16th letter of the alphabet.
What is P?
Blood vessels that carry blood away from the heart are called arteries. Those that carry blood towards the heart are called this.
What are veins?
In the first great world war, chemical gases were used as a weapon, namely this one that you wouldn't want to put on your hot dog.
What is mustard/chlorine gas?
Playing a note is grand on its own, but add a few more notes that harmonize with it to get this.
What is a chord?
It's the process by which you take a quadratic equation and separate it into two linear equations multiplied by each other.
What is factoring?
It's the term for a word that expresses emotion, such as "Oh!" or "Eek!"
What is an interjection?
It's the process by which a scientist observes an event, hypothesizes a universal law, conducts experiments, and either rejects or accepts his original hypothesis based on his results.
What is the scientific theory?
In the year 1492, Columbus said the ocean blue on this flagship.
What is the Mayflower?
When reading sheet music, the notes on the paper are usually referenced from middle this.
What is C?
In Calculus, taking the derivative of a position graph will yield you a velocity graph. Taking the derivative of that will yield you this graph.
What is acceleration?
It's the term for a word that mimics a sound in writing, such as "Bang!" or "Meow!"
What is an onomatopoeia?
In a chemical equation such as Na + Cl -> NaCl, salt is called a product, but sodium and chlorine aren't called factors, they're called this.
What are reactants?
He was the president that spent the longest amount of time in office. He would've lasted even longer if he wasn't assassinated, and he's the reason that presidents today can now only serve two terms.
Who is Franklin D. Roosevelt?
A note that's one of these above another note is one that's played 12 semitones above it. For example, from A to A sharp to B to C all the way up to another A.
What is an octave?
In Albert Einstein's famous equation E = mc2, E stands for energy, m stands for mass, and c stands for this.
What is the speed of light?
The connotation of a word is the feeling you get from hearing it, such as fat implies a negative connotation whereas beefy implies a positive one. The actual definition of a word on the other hand is called this.
What is denotation?
It's the smallest bone in the body.
What is the stapes?
This infamous trial decreed that racial segregation was constitutional as long as both parties were treated equally. Technically, there has been no supreme court decision to directly overturn this sentence but has been considered de facto overruled.
What is Plessy v. Ferguson?
When playing drums, a good beat always involves a cymbal, the kick pedal, and this, the loud drum that makes a sort of crashing sound.
What is a snare?
It's the technical name for the superior base 12 numbering system, just like binary is the technical name for the base 2 numbering system.
What is duodecimal?
Most of Shakespeare's plays were written in this type of metric line, with 10 syllables composed of 5 feet, each foot starting with an unstressed syllable followed by a stressed syllable.
What is iambic pentameter?
The sun creates energy and light through this, the process by which atoms are pushed together so hard that eventually their nuclei combine and become a new atom with a new number of protons.
What is nuclear/binary fusion?
General Cornwallis, commander of the British army, surrendered at this battle on October 17, 1871, leading to the end of the American Revolution and the Treaty of Paris two years later.
What is the battle of Chesapeake Bay?
A guitar is usually considered a string instrument, but using palm muted notes, where you hit the strings with your palm rather than your hand, it can be considered this type of instrument
What is percussion/percussive?