Savannah Famous Dead Guy

  • 101

    Thales of Miletus- 600BC

    First philosopher
    Cosmologial thesis (everything consists of water)
  • 101

    Democritus- 400BC

    first to think of the atom as the smalles piece of matter
  • 101

    Aristotle- 400BC

    theory of everything being made of the four elements: Fire, Water, Air, and Earth
  • Isaac Newton

    Discovery of Gravity, Laws fo Motion, Light Spectrum
    thought Democritus was right
  • John Dalton

    Atomic Theory of Matter
    t and f-matter is made up of atoms that are indivisible and indestrutible
    f- all atoms of an element are identical
    t- atoms of different elements are different
    t- atoms of different elements combine in simple whole numbers to form compounds.
    t and f- atoms cannot be created or destroyed
  • Antoine Becquerel

    discovered radioactivity
    4 experements; uranium experement
  • JJ Thomson

    discovered electron
    cathode ray tube
    -first to say atom is not a solid ball
    plum pudding modle
  • Robert Millikan

    helped determine the mass and charge fo electrons
    -oil drop experiment
  • Rutherford

    discovered nucleus and proton
    -gold foil experement
  • Niels Bohr

    discovered the way electrons rotated on paths
    -atomic model
  • Francis Aston

    discovered isotopes
    mass- spectrograph
    -atomic model
  • Erwin Schrodinger

    created Schrodinger's model
    predicts the odds of where electrons would be
    -mechanical model of atom
  • James Chadwick

    proved neutoron's existance