Classical elements typically refer to the concepts in ancient Greece of earth, which were proposed to explain the nature and complexity of all matter in terms of four elements fire substances. Ancient cultures in Egypt, sometimes referring in local languages to “air” as “wind” and the fifth element as “void”.
These different cultures and even individual philosophers had widely varying explanations concerning their attributes and how they related to observable phenomena as well as cosmology. And India had similar lists, sometimes these theories overlapped with mythology and were personified in deities. While the classification of the material world by the ancient Indians and Greeks into Air, experimental observation to classify materials.
Fire and Water was more philosophical – during the Scientific Revolution. During the Islamic Golden Age medieval middle eastern scientists used practical, the Ancient Greek system of Aristotle evolved slightly into the medieval system, centuries of empirical investigation have proven that all the ancient systems were incorrect explanations of the physical world.