History
This U.S. document, signed in 1776, declared the American colonies' independence from Britain.
What is the Declaration of Independence?
This force keeps planets in orbit around the sun and objects grounded on Earth.
What is gravity?
This river is the longest in the world and flows through northeastern Africa.
What is the Nile?
He was the first president of the United States.
Who is George Washington?
Humans have 206 of these in their bodies by adulthood.
What are bones?
Mount Everest is located in this mountain range.
What is the Himalayas?
The war fought from 1939 to 1945 that involved many nations and is considered the deadliest conflict in history.
What is World War II?
This element, with chemical symbol O, is essential for human respiration.
What is oxygen?
This country is both a continent and a nation, known for the Outback and the Great Barrier Reef.
What is Australia?