Transcript Democritus, Aristotle, and Other Greeks

Democritus, Aristotle, and
Other Greeks
Ben Crouch
450 BC
 Empedocles (490-430) proposes a theory that all
matter is made up of four basic elements: earth,
air, fire, and water. His theories are accepted in
Europe until the 17th century.
Gascoigne, Bamber. “History of Chemistry” HistoryWorld. From 2001, ongoing.
http://www.historyworld.net/wrldhis/PlainTextHistories.asp?groupid=2458&HistoryID
=ac20&gtrack=pthc
420 BC
 Democritus (460-370) states that all matter is
made of tiny, invincible, inseparable particles that
cling together to make different substances. He
calls them atoms, from the Greek atomos, which
means “indivisible”. This theory is the basis for
modern atomic theory.
"Democritus." The-History-of-the-Atom -. Web. 24 Nov. 2014. <https://the-historyof-the-atom.wikispaces.com/Democritus>.
340 BC
 Aristotle (384-322) combines Empedocles and
Democritus’ theories into a single atomic theory.
He believed atoms were either hot or cold and
either wet or dry. These properties determined
which of the four basic elements the atom was.
"Aristotle's Contribution." Atomic Model History. 27 Nov. 2010. Web. 24 Nov. 2014.
<https://atomicmodelhistory.wordpress.com/2010/11/27/aristotles-contribution/>.
3rd Century BC
 Democritus, Epicurus, and Lucretius found the
school of thought known as Atomism. This
philosophy states that all matter in the universe is
made of atoms. Everything that is not an atom is a
void.
"Atomism." The Free Dictionary. Farlex. Web. 26 Nov. 2014. <http://www.thefreedictionary.com/atomism>.
3rd Century BC
 Greek science is practiced in Alexandria. Many of
the tools used in modern chemistry are also used
and invented here. Great advancements are made
in the field of chemistry. Alchemy begins.
"24.1 The Science of Alexandria¶." 24.1 The Science of Alexandria — The Outline of
History by H. G. Wells. Web. 26 Nov. 2014. <http://outline-ofhistory.mindvessel.net/240-science-and-religion-at-alexandria/241-science-ofalexandria.html>.