Which planet is known as the Blue Planet?

In what year did Christopher Columbus first reach the Americas?

Who painted the Mona Lisa?

What is the largest ocean on Earth

What are the bones in your spine called?

What temperature does water boil at? (Fahrenheit) 

What gives plants their color?

What is a human's strongest muscle?

What is the smallest bone in the human body?

In miles, what is the distance from the earth to the sun?