Scientists Made of Atoms!

By: Campbell Dlouhy


  • Democritus was also known as the laughing philosopher, because of his emphasis.
  • Democritus believed that all substances were made up of small particles named atoms.
  • This scientist believed that atoms were unchangeable, indestructible, and have always existed.


  • Aristotle was from 384 BC in Stagira , Greece.
  • Aristotle studied a very wide variety of sciences.
  • Aristotle believed that all substances on earth was made of air, fire, water, and earth.


  • In 1869, Mendeleev developed a way to organize the elements.
  • To help him work on organizing the elements he used a set of cards of the elements.\
  • He organized the elements in order of increasing atomic mass.