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Democritus and Aristotle
Updated: 10/10/2019
Democritus and Aristotle
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Storyboard Text

  • Democrius said that matter is made of small,solid objects that can't be divided,created,or destroyed.He also said that there is empty space between atoms.
  • Democritus
  • Ernest Rutherford
  • Aristotle did not believe in empty space. He believed that all matter is made of fire,water, air, and earth
  • Aristotle
  • John Dalton proposed the atomic theory. He agreed that atoms can't be divided, created,or destroyed . He created the ''billard ball''
  • Niels Bohr
  • John Dalton
  • JJ Thomson discovered the cathode ray bent towards a positively charged plate. HE created a atomic model it is a positive sphere with negative changes
  • J.J. thomson
  • He shot a positive particle beam towards a piece of gold foil.Some of the particle beam bounced back .
  • He discovered that the nucleus also contained the neutrally charge neutrons .
  • James Chadwick
  • He proposed that electrons move in circular orbits.He said that electrons closer to the nucleus less energy from the electrons away
  • He stated that electrons do not move in set paths but in waves .
  • Erwin Schrodinger
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