What was the Heliocentric theory?The sun was the center of the Universe.

Who created the Heliocentric theory?Nicolaus Copernicus

What was wrong about the Heliocentric theory?The sun is not the center of the universe and stars do not revolve around the sun.

Bell Ringer

Reading Quiz

What is Scientific Method? People of the Scientific Revolution - Francis Bacon - Rene Descartes - Issac Newton Inventions Chemistry

Agenda/Objectives

Logical procedure for gathering and testing

ideas. Begins with a problem or question arising from

an observation. Next a hypothesis is formed. Next hypothesis is tested. Analyze and interpret the data – confirms or

disproves theory.

Scientific Method:

English Politician and writer. Attacked medieval scholars for relying on

Aristotle and ancient thinkers. Urged scientist to experiment and observe the

world around them and then draw conclusions. Idea known as Empiricism or Experimental

Method.

Francis Bacon

Francis Bacon

Analytical Geometry – linked algebra and

geometry. People needed to reject old ideas Everything should be doubted until proved by

reason. “I think therefore I am” General laws can be expressed

mathematically.

Rene Descartes

Rene Descartes

What law did he form? Law of Universal Gravitation: - Every object in the universe attracts every

other object. Degree of attraction depends on the mass of the objects and the distance between them.

1687 Mathematical Principles of Natural Philosophy – one of the most important scientific books ever written.

Isaac Newton

Isaac Newton

Zacharias Janssen – (Dutch) First Microscope in

1590. - 1670 Anton Van Leeuwehoek used it to

discover bacteria.

Evangelista Torricelli- First Mercury barometer in 1643.

- Tool used for measuring atmospheric pressure and predicting weather.

Scientist develop new instruments

First Microscope

Bacteria

First Mercury barometer

Gabriel Fahrenheit- (Dutch) First thermometer

using mercury in 1714. - showed water freezing at 32 degrees.

Anders Celsius –(Swedish) Created another scale, showing freezing at 0 degrees.

Scientist develop new instruments

First thermometer using mercury

Anders Celsisus

Middle ages: Aelius Galenus or Claudius Galenus - Galen

dissected pigs and assumed human bodies were much of the same.

Andreas Vesalius – dissected human corpses and published his observations.

On the Fabric of the Human Body (1543) Detailed drawings of human organs, bones, and

muscle.

Medicine and Human Body

http://www.youtube.com/watch?v=qOhh-

8mgTFk

Andreas Vesalius

William Harvey: English Doctor On the Motion of the Heart and Blood in

Animals – 1628 Showed Heart acted as a pump to circulate

blood. Described the function of blood vessels.

Medicine and Human Body

Edward Jenner introduced a small pox vaccine

in 1700s. Used cow pox to inoculate people which was a

milder disease.

Medicine and Human Body

Robert Boyle – founder of modern chemistry. The Sceptical Chymist 1661. Challenged Aristotle’s idea that the physical

world consisted of four elements – earth, air, fire, and water.

Boyle’s law – explains how the volume, temperature, and pressure of gas affect each other.

Discoveries in Chemistry

Using the term “Scientific Revolution” Come with a sentence

or word that best describes the Scientific Revolution. S – word or sentence… R C E I V E O N L T U I T F I I O C N

Writing Critically

Guided Reading – Scientific Revolution Please take a copy before you leave…

Homework