How do you know something is true? Because an authority says so? The moon is made of green cheese??

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The Geocentric Theory vs. The Heliocentric Theory

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Presentation transcript:

How do you know something is true? Because an authority says so? The moon is made of green cheese??

Socrates B.C.E. Opinion vs Fact

Aristotle B.C. Careful Observation! Views embraced by church. Geocentric Universe.

Ptolemy A.D. Ptolemaic System = Geocentric. Epicycles of 5 planets and sun around the earth. emy.jpeg

Copernicus Copernican system. Heliocentric (helios = sun). mages_sts_brochure/copernicus.gif

Galileo Telescope (“borrowed”) from a Dutch person. Jupiter’s moons = Galilean Satellites. ysics.ucsb.edu/ people/hnn/galil eo.jpg

“The Book” “Dialogue Concerning the Two Chief World Systems”. Heliocentric vs Geocentric. Written in Italian (not Latin). sp/images/galileo.5.html

Father of the Scientific Method Develop a hypothesis and test it. Do the lab report (so others can verify your work/ideas).

Bibliography HISTORY OF THE SCIENTIFIC METHOD STUFF Web page about Copernicus. Webpage on Galileo that gives a great synopsis of his life and achievements. Web page on Socrates gives pictures and a shot of him on his death bed. Web page on Aristotle, gives a picture and a link to the poster below. Great poster of Aristotle. Web page with color sketch of Ptolemy. Great poster of Ptolemy. Image of Galileo’s notes about Galilean satellites. sp/images/galileo.5.html Image of the cover page for Galileo’s book: “Dialogue concerning the two chief world systems.”