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Thales and the Atomic Theory

Thales and the Atomic Theory. Prepared by Yıldız Dizay Kaya. m odern atomic theory : an atom consists of a nucleus and electrons orbiting around it. orbits : trajectories on which electrons can sit. orbits can be calculated using quantum mechanics. The Bohr atom model.

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Thales and the Atomic Theory

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  1. Thales and the Atomic Theory Prepared by Yıldız Dizay Kaya

  2. modernatomic theory: an atom consists of a nucleus and electrons orbiting around it. • orbits:trajectories on which electrons can sit. • orbits can be calculated using quantum mechanics. The Bohr atom model

  3. Moderntheory of atoms: it took centuries for human beings to reach. • Many contributions by different scientists and philosophers. • Thales made a great progress in his time about the structure of matter.

  4. lived about 600’s b.c. • He was born in the city of Miletus (It is the Milet town in the city of Aydın) • The dates of his life is not known precisely. Thales • He was not only a thinker, he was involved business and politics. • Acoording to Heredotus’ history: Thales predicted the eclipse of the sun.

  5. The Theater of Miletus

  6. had been well known person in the early part of the 6. century b.c. • Arsitotle: Thales is first philisopher in the Greek tradition. • Bertnard Russell: The western philisophy begins with Thales. • Thales and geometry: There is a theorem in geometry called Thales’ theorem about similar triangles.

  7. Thales’ Theorem

  8. Thales and the atomic theory: • Aristotle: according to Thales the earth is superimposed upon water • Thales: the primary building blocks of all things to be water. • Therefore, he thought “things” as varying forms of one primary and ultimate element. • Of course, today we know that his ideasabout water is wrong.

  9. However, he actually suggested the same working hypothesis of modern atomic theory that all things are made up of atoms. • Historically, it is very important for a philosopher to think that things have a common building block. • Based on this, many claim that Thales is the father of both philosophy and physics

  10. References: • http://en.wikipedia.org/wiki/Thales • http://www.rain.org/~rcurtis/thales.html • http://www.bookrags.com/research/atomic-theory-woc/ • http://galileoandeinstein.physics.virginia.edu/lectures/thales.html

  11. Thanks for listening and your attention!

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