How long was the Enlightenment?

It was about 150 years

Who wrote the Principia Mathematica?

Isaac Newton

When did the Enlightenment start and when did it end?

It started in 1685 and ended in 1815

What is John Locke known as?

He is known was the father of liberalism

What is another name for the Enlightenment?

The Age of Reason

What did Thomas Jefferson write?

The Declaration of Independence

How many periods were there in the Enlightenment?

There were three periods

How many steps are in the scientific method?

7 steps

What are the three periods called?

The High, Early, and Late were what the three periods were called

What is the definition of the scientific method?

The scientific method is a method for gaining new knowledge using observation, experiments, and careful reasoning.