Math
Which number is the only even prime number?
2
What green pigment absorbs light energy to help plants make their own food through photosynthesis?
Chlorophyll
Which part of speech shows an action or a state of being?
A verb
Before the American Revolution, who's the man of African and Native American descent was the first casualty of the 1770 Boston Massacre?
Crispus Attucks
Which massive river flows through Egypt and is widely considered the longest river on Earth?
the Nile
Named after an ancient Greek, which famous theorem states that a² + b² = c² for a right triangle?
The Pythagorean theorem
Unlike all other planets in our solar system, what is the "hottest" neighbor of Earth rotates in the opposite direction on its axis?
Venus
Which figure of speech compares two things using the words "like" or "as"?
A simile
In 1803, the United States doubled its size by purchasing the Louisiana Territory from which European country?
France
Spanning two continents, which country is the largest in the world by total land area?
Russia
Which famous mathematical constant, represented by the letter π, is the ratio of a circle's circumference to this measurement?
The diameter
Formed when lava cools very quickly, which dark, smooth volcanic glass was often used to make sharp primitive tools?
Obsidian
Which term describes the highest point of tension or turning point in a story?
The climax
Who is the King of Macedonia led his army to conquer an empire stretching all the way to India before dying at age 32?
Alexander the Great
Canberra serves as the capital city of which Southern Hemisphere nation?
Australia
Discovered or popularized in India around 600 A.D., which numerical digit represents absolute absence or zero quantity?
Zero
Who is the Russian chemist formulated the periodic law and organized the first version of the modern periodic table?
Dmitri Mendeleev
Which punctuation mark joins two independent clauses without using a coordinating conjunction?
A semicolon
The bloodiest single-day battle in American history took place on September 17, 1862, at which Maryland creek?
Antietam
Which freezing, ice-covered landmass at the bottom of the world is Earth's southernmost continent?
Antarctica
Which famous sequence of numbers starts with 0 and 1, where each number is the sum of the two before it?
The Fibonacci sequence
Named after the rhesus macaque, which common blood group antigen system is denoted as positive or negative?
Rh factor
Which term refers to the repetition of the same initial consonant sounds in neighboring words?
An alliteration
Holy Roman Emperor Charles V famously said he spoke which language "to my horse"?
German
Lake Baikal, the deepest lake in the world, is located in which specific region of Asia?
Siberia