Science
This green pigment found in chloroplasts absorbs light energy to power photosynthesis.
What is chlorophyll?
This ancient Egyptian writing system uses pictorial symbols to represent words and sounds.
What are hieroglyphics?
This is the mathematical term for the average of a set of numbers, found by adding them together and dividing by the total count.
What is the mean?
This type of figurative language gives human characteristics to non-human things, like saying "the wind whispered through the trees."
What is personification?
Red, yellow, and blue are known as this foundational group of colors, which cannot be created by mixing any other colors together.
What are primary colors?
This massive global migration of Americans and immigrants to California was triggered by James W. Marshall's discovery at Sutter's Mill in 1848.
What is the California Gold Rush?
The San Andreas Fault in California is a prime example of this type of tectonic plate boundary, where plates slide horizontally past one another.
What is a transform boundary?
This religious and political system of medieval Europe was based on a hierarchy of lords, vassals, knights, and serfs.
What is feudalism?
In the coordinate plane, this is the name given to the point $(0,0)$ where the x-axis and y-axis intersect.
What is the origin?
This is the perspective from which a story is told, using pronouns like "I," "me," and "my."
What is first-person point of view?
In music theory, this term describes the speed or pace at which a piece of music is played.
What is tempo?
In the Pentathlon novel The Lightning Thief, Percy, Annabeth, and Grover must use this magical, winged footwear to travel, though it turns out to be a trap.
What are the flying shoes (or sneakers of Hermes)?
This law of motion states that for every action, there is an equal and opposite reaction.
What is Newton’s Third Law of Motion?
This system of "checks and balances" ensures that no single branch of the U.S. government becomes too powerful.
What is the separation of powers?
In a right triangle, this theorem states that the square of the hypotenuse is equal to the sum of the squares of the other two sides ($a^2 + b^2 = c^2$).
What is the Pythagorean Theorem?
This structural part of an essay or paragraph introduces the main argument or central claim that the author will prove.
What is a thesis statement?
This Renaissance master painted the ceiling of the Sistine Chapel and sculpted the famous marble statue of David.
Who was Michelangelo?
This ancient maritime trade route spanned the Indian Ocean, relying on predictable monsoon winds to transport heavy goods like pottery and spices between Asia and Africa.
What is the Spice Route (or Maritime Silk Road)?
These are the three main types of rock that make up the Earth's crust, categorized by how they are formed.
What are sedimentary, igneous, and metamorphic?
This group of early American colonists, including Alexander Hamilton and James Madison, advocated for a strong central government and championed the ratification of the Constitution.
Who were the Federalists?
This is the slope of a line represented by the linear equation $y = -3x + 7$.
What is $-3$?
This grammatical term describes a word that modifies or describes a verb, adjective, or another adverb, often ending in "-ly."
What is an adverb?
This musical term refers to the loudness or softness of a sound or musical passage.
What are dynamics?
In physics, this force acts in the opposite direction of an object's motion through a fluid, such as air resistance slowing down a moving car or airplane.
What is drag?
This cellular process involves a single cell dividing into two genetically identical daughter cells, used for growth and repair.
What is mitosis?
This global trade network, named for the explorer who kicked it off in 1492, transferred plants, animals, culture, and diseases between the Eastern and Western Hemispheres.
What is the Columbian Exchange?
A number that cannot be expressed as a simple fraction because its decimal form goes on forever without repeating, such as $\pi$ or $\sqrt{2}$.
What is an irrational number?
In literature, this is the term for a dynamic character who undergoes an important inner change or growth throughout the course of a story.
What is a round (or developing) character?
This artistic technique uses a horizon line and vanishing points to create the illusion of three-dimensional depth on a flat, two-dimensional surface.
What is linear perspective?
Invented by Robert Fulton in the early 1800s, this transportation breakthrough revolutionized river travel and commerce by allowing boats to travel easily upstream against the current.
What is the steamboat?