History of the Atom Timeline by Brea Brown

By breeaa
  • Dalton

    Dalton

    Discovered
    - contributed to the Atomic Theory and discovered color blindness
    Method
    - Observations about atoms
    Dalton, John. "John Dalton." Http://the-history-of-the-atom.wikispaces.com. N.p., 2014. Web. 24 Feb. 2014. http://the-history-of-the-atom.wikispaces.com/John+Dalton.
  • Rutherford

    Rutherford

    Discovered
    - invented a dectector for electricmagnetic waves
    Method
    - collaborated with H. Geiger
    Dalton, John. "John Dalton." Http://the-history-of-the-atom.wikispaces.com. N.p., 2014. Web. 24 Feb. 2014. http://the-history-of-the-atom.wikispaces.com/John+Dalton.
  • Bohr

    Bohr

    Discovered
    -electrons jump between energy level
    Method
    - used many ideas from Rutherford
    "Home." Http://the-history-of-the-atom.wikispaces.com/Niels+Bohr. Tangient LLC, n.d. Web. 27 Feb. 2014.
  • Thomson

    Thomson

    Discovered
    - electrons & noticed it cant be divided
    Method
    - model & put his information in books
    "J.J. Thomson - Biography". Nobelprize.org. 19 Nov 2010
  • Heisenberg & Schrodinger

    Heisenberg & Schrodinger

    Discovered
    - Uncertainty Principle
    Method
    - studied and went of past ideas
    "Werner Heisenberg." Wikipedia, the Free Encyclopedia. Web. 30 Nov. 2010.
  • Democritus (400 BC)

    Democritus (400 BC)

    Discovered
    - first to discover the Atomic Theory which stated all objects are made and cant be divided .
    Mehtod
    -gathered evidence from experiments "Democritus." The-History-of-the-Atom -. Creative Commons Attribution Share, 2014. Web. 20 Feb. 2014.
  • Aristotle (335 BC)

    Aristotle (335 BC)

    Discovered
    - he discovered that all material were not made of atoms, but those of the 4 elements.
    Method
    - wrote books
    "Aristotle." Angelfire: Welcome to Angelfire. Web. 30 Nov. 2010.