Science
Organelle known as the powerhouse of the cell.
Mitochondrion
Mammal that lays eggs and has a duck-like bill.
Platypus
U.S. document signed in 1776 that announced independence from Britain.
Declaration of Independence
Imaginary line at 0 degrees latitude that divides Earth into Northern and Southern Hemispheres.
Equator
Lives at Number 4 Privet Drive.
Harry Potter
Term for animals that regulate body heat internally.
Endotherms
Color of a polar bear’s skin beneath its white fur.
Black
Name of the ship that carried the Pilgrims to North America in 1620.
Mayflower
Longest river in South America.
Amazon River
Katniss Everdeen's district in the Hunger Games.
12
Gas that makes up about 78% of Earth’s atmosphere.
Nitrogen
Insect that hears with its legs and sings by rubbing its wings together.
Cricket
Ancient trade route that connected the Roman Empire with China.
Silk Road
Country shaped somewhat like a boot.
Italy
Greek god that is Percy Jackson's dad.
Poseidon
The most abundant element in the universe.
Hydrogen
Hoofed animal that has a blue tongue and uses it to clean its ears.
Giraffe
War fought between northern and southern U.S. states from 1861 to 1865.
American Civil War
Desert that covers much of northern Africa and is the world's largest hot desert.
Sahara
Series that follows siblings who enter a magical world through a wardrobe.
Chronicles of Narnia
Phase that changes a solid directly into a gas.
Sublimation
Amphibian that can regrow limbs, heart tissue, and parts of its brain.
Axolotl
Ancient Greek city-state famous for its strict military training.
Sparta
Country with the largest land area in the world.
Russia
Novel that follows Stanley Yelnats at a juvenile detention camp.
Holes