jameria and carnesha

By jameria and carnesha
  • 460

    democritus BC

    democritus BC
    He belived all sensation is form of a touch resulting from atoms colliding with the sense organs. Grouping of atoms make up differnet things in the world.Atoms have size, weight,mass,and shape.

  • Dalton

    Dalton
    All mater composed of atoms . All atoms of an element were identical,different elements had atoms of different sizes and mass.
    All matter consists of tiny particle
    Atoms are indestrible and unchanged

  • Thomson

    Thomson
    J.J. Thomson discovered the "electron". Negative charged particles in motin.The particles weighted less than the light atom. He discovered this through finding that cathode.

  • Aristotle BC

    Aristotle BC
    The atomic ideas of Democritus had no lasting effect Aristotle. Aristotle didn't believe in the atomic theory. He thought all marterials on earth were not made of atoms but of the four elements, earth, wind, water,and air.He thought that substance were made of small amounts of these four element of matter.