This is the closest star to planet Earth.
What is the Sun?
This is the largest ocean on planet Earth.
What is the Pacific Ocean?
He is the boy wizard who attended Hogwarts School of Witchcraft and Wizardry.
Who is Harry Potter?
This is the perimeter of a square if one of its sides measures 5 centimeters.
What is 20 centimeters?
This large, continuous wall was built in northern China to protect against invasions.
What is the Great Wall of China?
This is the center of an atom, containing protons and neutrons.
What is the nucleus?
This imaginary line wraps around the middle of the Earth at 0 degrees latitude.
What is the Equator?
In The Hunger Games, Katniss Everdeen represents this specific district.
What is District 12?
This is the term for a fraction where the numerator is larger than or equal to the denominator, like 7/4.
What is an improper fraction?
These ancient Egyptian structures were built as grand tombs for the pharaohs.
What are the Pyramids?
This is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy.
What is photosynthesis?
This is the only continent that is also its own country.
What is Australia?
Percy Jackson discovers that his biological father is this Greek god of the sea.
Who is Poseidon?
This is the value of $x$ in the equation: 2x - 5 = 15$.
What is 10?
This historical period, meaning "rebirth," marked a massive surge of interest in art, science, and literature in Europe after the Middle Ages.
What is the Renaissance?
This type of rock is formed from molten rock, or magma, that has cooled and solidified.
What is igneous rock?
This mountain range, the tallest in the world, contains Mount Everest.
What are the Himalayas?
This is the name of the fantasy world created by C.S. Lewis that characters enter through a wardrobe.
What is Narnia?
This is the statistical term for the middle number in a sorted list of numbers.
What is the median?
Invented by Johannes Gutenberg around 1440, this device made it possible to mass-produce books.
What is the printing press?
Often called the "powerhouses of the cell," these organelles generate most of the chemical energy needed to power the cell's biochemical reactions.
What are mitochondria?
This is the capital city of Canada.
What is Ottawa?
In literature, this term refers to the main character's enemy or the opposing force in a story.
What is an antagonist?
This is the total number of degrees in any triangle.
What is 180 degrees?
This written document, signed by King John of England in 1215, established the principle that everyone—even the king—is subject to the law.
What is the Magna Carta?