Elements

By Hhhhahhahhahhah
  • 430 BCE

    Democritus

    Leucippus of Abdera, the philosopher, conceives of the atomic universe. His pupil is Democritus
  • 384 BCE

    Aristotle

    Aristotle was a Greek philosopher and scientist, better known as the teacher of Alexander the Great. He was a student of Plato and is considered an important figure in Western Philosophy.

  • The Classical elements

    Classical elements typically refer to the concepts in ancient Greece of earth, water, air, fire, and aether, which were proposed to explain the nature and complexity of all matter in terms of simpler substances. Ancient cultures in Egypt, Babylonia, Japan, Tibet, and India had similar lists.

  • The alchemist

    Alchemy was born in ancient Egypt, where the word Khem was used in reference to the fertility of the flood plains around the Nile. Egyptian beliefs in life after death

  • Joseph Priestley

    Joseph Priestly discovered oxygen. He found it out by answerering questions about how things burn

  • Robert Boyle

    J.J. Thomson discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged. In addition, he also studied positively charged particles in neon gas. Thomson realized that the accepted model of an atom did not account for negatively or positively charged particles. Therefore, he proposed a model of the atom which he likened to plum pudding.