Maths
The length of the longest side of a right triangle.
What is the hypotenuse?
This organelle is famously known as the "powerhouse of the cell" because it generates most of the chemical energy needed to power the cell's biochemical reactions.
What is the mitochondrion?
On December 16, 1773, American patriots dumped 342 chests of tea into this city's harbor.
What is Boston?
Giving human qualities, emotions, or actions to non-human things, like saying, "The wind howled through the night."
What is personification?
In 490 BC, an Athenian messenger ran from this famous battle site to Athens to announce a victory against the Persians, inspiring a modern racing event.
The total sum of interior angles in any triangle.
What is \180^{\circ }\?
This number on the periodic table represents the total number of protons in the nucleus of an atom.
What is the atomic number?
This pamphlet written by Thomas Paine and published in 1776 inspired colonists to seek independence from England.
What is Common Sense?
A direct comparison between two unlike things using the words "like" or "as."
What is a simile?
Discovered almost perfectly intact in 1922, this boy king became the face of Ancient Egyptian pharaohs.
Who is Tutankhamun?
A number that cannot be expressed as a fraction of two integers, famously represented by the symbol \\pi \.
What is an irrational number?
Coined by physicist John Wheeler, this is a region of spacetime exhibiting such strong gravitational effects that nothing—not even particles and electromagnetic radiation such as light—can escape from it.
What is a black hole?
On Christmas night in 1776, General George Washington famously led his troops across this icy river to launch a surprise attack in Trenton, New Jersey.
What is the Delaware River?
An extreme, deliberate exaggeration used to make a point, such as, "I have a million things to do today."
What is hyperbole?
Signed by King John in 1215, this historical document limited the power of the English monarch and established that no one, not even the king, is above the law.
The number of lines of symmetry in a regular hexagon.
What are \6\?
This fundamental law of motion states that for every action, there is an equal and opposite reaction.
What is Newton's third law of motion?
This 1777-1778 winter camp in Pennsylvania served as the grueling training ground where the Continental Army was whipped into a professional fighting force.
What is Valley Forge?
A word that phonetically imitates, resembles, or suggests the sound it describes
What is onomatopoeia?
Painted around 1503 by Leonardo da Vinci, this famous portrait is celebrated for the subject's subtle, enigmatic smile.
What is the Mona Lisa?
The mathematical term for a number that divides evenly into another with no remainder.
What is a factor?
In the process of photosynthesis, plants convert light energy into chemical energy by absorbing this specific gas from the atmosphere.
What is carbon dioxide?
The surrender of British General Lord Cornwallis in 1781 at this Virginia coastal town effectively ended the Revolutionary War.
What is Yorktown?
A figure of speech that directly refers to one thing by mentioning another, like saying, "Time is money."
What is a metaphor?
Spanish conquistador Francisco Pizarro famously conquered this mighty South American empire in the 1530s.
Who are the Incas?