This country is home to the Eiffel Tower.
What is France?.
This president's face appears on the one-dollar bill.
Who is George Washington?
Humans need this gas to breathe.
Humans need this gas to breathe.
This man became the first President of the United States.
Who is George Washington?
Thomas Edison is widely credited with improving and commercializing this invention.
What is the light bulb?
This city is known as the Big Apple.
What is New York City?
The Declaration of Independence was signed in this year.
What is 1776?
This planet is known as the Red Planet.
What is Mars?
This person became the first African American President of the United States.
Who is Barack Obama?
Alexander Graham Bell is credited with inventing this communication device.
What is the telephone?
Though it serves customers nationwide, TruStage calls this Midwestern capital city home.
What is Madison, Wisconsin?
This U.S. president issued the Emancipation Proclamation during the Civil War.
Who is Abraham Lincoln?
Water freezes at this temperature on the Fahrenheit scale.
What is 32 degrees?
This aviator became the first woman to fly solo across the Atlantic Ocean.
Who is Amelia Earhart?
This invention by the Wright brothers changed transportation forever.
What is the airplane?
The longest river in South America flows through this country before reaching the Atlantic Ocean.
What is Brazil?
This purchase from France in 1803 nearly doubled the size of the United States.
What is the Louisiana Purchase?
The process by which plants convert sunlight into energy is called this.
What is photosynthesis?
This astronaut became the first person to walk on the moon in 1969.
Who is Neil Armstrong?
Eli Whitney is famous for inventing this machine that revolutionized cotton processing.
What is the cotton gin?
This is the only continent that lies in all four hemispheres.
What is Africa?
This battle is often considered the turning point of the American Civil War.
What is the Battle of Gettysburg?
This is the largest organ in the human body.
What is the skin?
This woman became the first female Supreme Court Justice in the United States.
Who is Sandra Day O'Connor?
This inventor held more than 1,000 U.S. patents.
Who is Thomas Edison?