WELCOME BACK!! SPRING SEMESTER 2013

• What are your goals for the new year? • What is your game plan to accomplish your

goals?

WH: study of the Scientific Revolution– Complete the “New Scientific Ideas” organizer

– YOU WILL need a textbook to complete this activity today!!

Chapter 17: The Chapter 17: The Scientific RevolutionScientific Revolution

Men with Ideas!

I: New Scientific Ideas • Scientific Revolution came about

because people saw inconsistencies in what they saw in nature

• Based on careful observations & experimentation

Ptolemaic Universe: (geocentric)Earth is the center of the universe

Copernican Universe: (heliocentric) Sun is the center of the universe

A. Scientific Revolution 1. Leader of the

Scientific Revolution was the Polish scientist Nicolaus Copernicus

a. developed the heliocentric theory

2. Johannes Kepler- German astronomer who came up with the theory of planetary motion

3. Galileo Galilei a. 1609- built the 1st

telescopeb. able to prove Copernicus’

theory that the earth revolves around the sun as correct

c. est. universal laws of physics- inertia

d. Catholic Church forced him to recant his beliefs

4. Isaac Newton a. Considered the

greatest genius of the Scientific Revolution

b. est. theory of gravity

c. developed calculus

B. New Ways of ThinkingB. New Ways of Thinking 1. Francis Bacon-

English philosopher who helped dev. the scientific method

a. steps of the scientific method:

* observation, hypothesis, experimentation, and a scientific law proving it correct

Scientific Method

2. Rene Descartesa. French philosopher

& mathematician who wrote Discourse on Method

– doubted everything except his own existence

b. “I think therefore I am”

C. Investigating the Human C. Investigating the Human BodyBody

1. Andrea Vesaliusa. studied human anatomyb. published On the Fabric

of the Human Body 2. William Harvey a. blood circulates

throughout the body3. Robert Hooke a. discovered the cell

D. Experimenting with D. Experimenting with ChemistryChemistry

1. Robert Boyle- est. chemistry as a science

a. proved air was a mixture of several gases

2. Joseph Priestly- discovered existence of oxygen & the properties of carbon dioxide

a. led to the invention of carbonated drinks

E. Other contributions to E. Other contributions to ScienceScience

1. Zacharias Janssen (1590) inventor of the first microscope

2. Thermometera. Gabriel Fahrenheit b. Anders Celsius

3. Evangelista Torricelli- invented the barometer