Science
This gas makes up about 78% of Earth's atmosphere
Nitrogen
The first U.S. president
George Washington
This singer is known as the "Queen of Pop"
Madonna
The capital of France
Paris
A word that sounds the same as another but has a different meaning and spelling
Homophone
The process by which plants convert sunlight into energy
Photosynthesis
The war that ended in 1945
WWII
The Marvel superhero with a vibranium shield
Captain America
The longest river in the world
Nile River
A figure of speech that compares two things using "like" or "as"
Simile
This part of the cell is often called the "powerhouse"
Mitochondria
The Great Fire of London occurred in this year
1666
The longest-running animated TV show
The Simpsons
The U.S. state known as the "Sunshine State"
Florida
A phrase where the first letters of each word spell out another word, like "NASA"
Acronym
The hardest naturally occurring substance on Earth
Diamond
The empire led by Genghis Khan
Mongol Empire
The actor who played Jack in Titanic
Leonardo DiCaprio
The only continent without a native human population
Antarctica
A type of wordplay where letters in a word are rearranged to form a new word, like "listen" and "silent"
Anagram
The name for the study of fungi
Mycology
The last tsar of Russia
Nicholas II
The director of Inception
Christopher Nolan
The official language of Brazil
Portuguese
A sentence that uses every letter of the alphabet at least once, like "The quick brown fox jumps over the lazy dog"
Pangram