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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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thales and the atomic theory

Thales and the Atomic Theory

Prepared by Yıldız Dizay Kaya

slide2

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

slide3

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.
slide4

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.
slide6

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.
thales and the atomic theory1
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.
slide9

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
slide10

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