History of the Atom TimeToast by Brandi, Tori, Laruen

  • 400

    Democritus

    Democritus
    Democritius proposed the idea of the atom. He argued that te world consisted of an infinite amount of atoms. He believed once your ripped the bread up, he thought he would be leftwith an atom. Saffman, Mark. "Atom." World Book Advanced. N.d. Web. 19 Feb. 2015
  • Dalton

    Dalton
    Dalton believed that matter was made of invisible atoms. He also thought t hat atoms were arranged in different combinations to make compunds. Dalton thought that everything was made of different "flavored" atoms and believed that the atom looked like a Billard ball. Dalton, James. "World Book Online Reference Center | Online Reference Book| Online Encyclopedia." World Book. World Book, 2015. Web. 19 Feb. 2015.
  • Thompson

    Thompson
    Thomson believed that atoms weren't indivisble. To make his discoveery he did a series of experiments designed to study the nature of electric discharge in a high-vacuum cathode-ray tube, Thus, discovering the electron. "UCSB Science Line Sqtest." UCSB Science Line Sqtest. N.p., n.d. Web. 25 Feb. 2015.
  • Rutherford

    Rutherford
    Rutherford used the Gold Foil experiment to discover that a proton is the center of an atom. He thought the atom looked like a Nuclear Model. "Ernest Rutherford - Biographical." Ernest Rutherford - Biographical. N.p., n.d. Web. 20 Feb. 2015
  • Bohr

    Bohr
    Bohr discovered that electrons orbit around the nucleus in a circular motion. This reminded him of how gravity kept the planets in line. He figured out that electrical forces keep atoms in line.Bohr thought the atom looked like the solar system.
    "Niels Bohr - Facts." Niels Bohr - Facts. N.p., n.d. Web. 24 Feb. 2015.
  • Heisenberg and Schrodinger

    Heisenberg and Schrodinger believed that atoms moved in sporadic movements to take the shape of the object it creates. He studied the patterns of an atoms electrons.He thought the atom looked like a Quantum Mechanical Model. "Werner Heisenberg." The-History-of-the-Atom -. N.p., 2015. Web. 23 Feb. 2015.