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Scientists of the Enlightenment
Changing the way we see the World
Middle Ages
Scientific Thought◦ Religious teachings -
Catholic Church Earth was flat Geocentric view
◦ Magic◦ Superstition◦ Ancient Writings (Galen,
Ptolemy, Aristotle)◦ Barber Surgeon
Scientific Revolution Use of Scientific Method
◦ Ideas that are unproven should be discarded◦ Ideas should be tested◦ Truth comes through investigation
Geocentric View vs. Heliocentric View
Catholic Church Copernicus
Nicolas Copernicus
Earth was round and, on an axis, rotated around the sun, which was at the center of the solar system.
Johannes Kepler
Planets move in ellipses not circles (Copernicus) and those closer to the sun travel faster. Did not get in trouble with Catholic Church because he was Protestant.
Galileo Galilei
Built telescope and argued that the earth was round. Had to recant his findings because he was Catholic. Church banned books and convicted people of heresy.
Their ideas challenged the authority of the church and long held beliefs. Their ideas were based on logic and
reason.
Francis Bacon
Developed scientific method that is made up of observation, hypothesis, tests, and conclusions. Scientific knowledge cannot be assumed. It must be tested.
Rene Descartes
Came up with the basic elements of Analytical Geometry.
Doubted everything except his own existence. You must prove everything. I think therefore I am.
Isaac Newton
He proved the theory of gravity (apple). Developed calculus to prove that gravity holds the universe together by keeping the sun and planets in orbit.
Andreas Vesalius
Studied Human Anatomy, dissecting corpses to find out about the human body.
William Harvey
The first to prove that the heart pumps blood throughout the body and it is circulated through the veins
Robert Boyle
Considered to be the father of modern chemistry, writing a book called The Skeptical Chymist
Joseph Priestley
Proved the existence of oxygen and of carbon dioxide. Carbonated drinks.
Antoine Lavoisier
Combustion comes from oxygen and flammable material
Impact of Scientific Revolution
Ideas would challenge church authority Ideas would challenge traditional beliefs
about nature and the universe Ideas would be based on reason and
observation in the future Led people to question their governments
Catholic Church’s Reaction Resented the challenge to church authority Banned books Convicted supporters of heresy