Music
This boy band released 'I Want It That Way' in 1999.
Backstreet Boys
This river was central to ancient Egyptian civilization.
Nile
This is the name of the force that keeps planets in orbit around the Sun.
Gravity
This word means 'relating to the moon'.
Lunar
This is the number of sides on a hexagon.
6
This singer is known as the 'Queen of Pop' and released 'Like a Prayer' in 1989.
Madonna
The ancient Greeks held the first Olympic Games in this city.
Olympia
A light-year is a unit of this, not time.
Distance
An 'omnivore' eats both plants and this.
Meat
A 'herpetologist' studies this group of animals.
Reptiles
Beethoven composed this number symphony — his last — while completely deaf.
9th Symphony
This Mesopotamian city is considered one of the world's first civilizations.
Sumer
This planet is known as the Red Planet due to iron oxide on its surface.
Mars
The prefix 'bio-' means this.
Life
This is the only U.S. state that is an archipelago.
Hawaii
This rapper's real name is Aubrey Graham and he's from Toronto.
Drake
Person was famously assassinated on this date in 44 B.C.
Julius Cesar
Einstein's famous equation relates energy, mass, and the speed of light.
E = mc²
This word describes a word that is spelled the same forwards and backwards, like 'racecar'.
Palindrome
Mount Everest sits on the border between Nepal and this country.
China/Tibet
This genre of music originating in Jamaica is associated with Bob Marley.
Reggae
The Aztec empire's capital was built on an island in a lake — this is its name.
Tenochtitlán
This is the term for a star that explodes at the end of its life in a massive burst.
Supernova
The word 'democracy' comes from Greek — 'demos' means people, and 'kratos' means this.
Power/Rule
This organ filters blood and produces bile for digestion.
Liver