Scientific Revolution January 26th

Scientific Revolution Definition: new way of thinking about the natural world based on careful observation and a willingness to question

Scientific Revolution Influences: Renaissance inspired new curiosity Exploration broaden European horizons Scientific discoveries challenge excepted thinking Printing press spread ideas

Stop and Think!! What led to or caused the Scientific Revolution (in your own words)?

Nicolaus Copernicus Contribution: Wrote: On the Revolutions of the Heavenly Spheres

Nicolaus Copernicus Old View: believed the earth was the center of the universe (geocentric) New View: theorized that the sun was the center and the earth rotated around it (heliocentric)

Stop and Think! How did Copernicus’ ideas change Europeans’ world view?

Johannes Kepler Contribution: gave three fundamental laws of planetary motion

Johannes Kepler New View: Old View: planetary orbits rotated following an elliptical course (egg-shaped) with the sun sitting towards the end of the ellipse Old View: planetary orbits are circular with the sun sitting in the center

Stop and Think! How did Kepler change Europeans’ world view?

Galileo Galilee Contribution: first known scientist to regularly observe the universe using a telescope

Galileo Galilei Old View: Moon was a pure substance New View: Moon had a rough surface, supported Copernicus ideas

Stop and Think! How did Galileo change Europeans’ world view?

Sir Isaac Newton Contribution: Wrote: The Mathematical Principles of Natural Philosophy

Sir Isaac Newton Old View: a divine spirit present in all the material things that allowed for movement (hermetic theory) New View: gravity is the reason for planetary motion everything worked together in order like pieces to a clock and God was at the center of it that set everything in motion like a clock maker

Stop and Think! How did Newton’s ideas change Europeans’ world view?

Other Contributions Scientific Method: “I think therefore I am” Rene Descartes French intellectual who challenged traditional ideas said that human reason was capable of discovering and explaining the laws of nature and man accepted nothing as true unless it was proved