This is the largest continent by land area.
What is Asia?
This is the center of an atom that contains protons and neutrons.
What is the nucleus?
This document, signed in 1776, declared American independence from Great Britain.
What is the Declaration of Independence?
This is the result when you multiply any number by zero.
What is zero?
This is the term for the main character in a story.
What is the protagonist?
This river is the longest in the world and flows through Egypt.
What is the Nile River?
This process is how plants make their own food using sunlight, water, and carbon dioxide.
What is photosynthesis?
This president issued the Emancipation Proclamation in 1863.
Who is Abraham Lincoln?
This is the term for a triangle with all three sides of equal length.
What is an equilateral triangle?
This author wrote 'The Diary of a Young Girl' while hiding from the Nazis during World War II.
Who is Anne Frank?
This imaginary line at 0° latitude divides the Earth into Northern and Southern hemispheres.
What is the Equator?
This type of rock is formed when magma or lava cools and hardens.
What is igneous rock?
This 1803 land purchase from France doubled the size of the United States.
What is the Louisiana Purchase?
This is the formula for finding the area of a circle.
What is πr² (pi times radius squared)?
This is the term for a comparison using 'like' or 'as,' such as 'brave as a lion.'
What is a simile?
This European mountain range separates France and Spain and extends to the Atlantic Ocean.
What are the Pyrenees?
This is the term for animals that can regulate their own body temperature internally.
What are endotherms (or warm-blooded animals)?
This amendment to the Constitution, ratified in 1920, gave women the right to vote.
What is the 19th Amendment?
This is the value of x in the equation: 3x + 7 = 22
What is 5?
In 'The Outsiders,' this is the name of the rival gang that opposes the Greasers.
Who are the Socs (Socials)?
This landlocked country in South America is named after a revolutionary leader and has two capital cities.
What is Bolivia?
This organelle is found only in plant cells and is responsible for photosynthesis.
What is the chloroplast?
This series of programs created by FDR in the 1930s aimed to provide relief during the Great Depression.
What is the New Deal?
This is the term for the set of all possible outcomes in a probability experiment.
What is the sample space?
This Greek epic poem by Homer tells the story of Odysseus's journey home after the Trojan War.
What is The Odyssey?