Name and define six of the contagious diseases. 1. Conjunctivits; pinkeye, inflammation of mucous membrane around the eye. 2. Herpes sim 1 - fever blisters or cold sores. 3. Herpes zoster - shingles; painful skin condition from reactivation of chickenpox virus.
The scientific study of elements, atoms and molecules is called  Chemistry.   A person who practices this science is called a Chemist. 7 people found this useful.
In his online Bibliotheca Arcana, John Opsopaus includes several articles on The Ancient Greek Doctrine of the Elements. Here, he discusses theories related to the four elements as developed by both Empedocles and Aristotle.