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.
The four elements: c.450 BC. 1  The Greek philosopher Empedocles, a native of Sicily, introduces a theory which will be accepted in Europe until the 17th century. He states that all matter is made up, in differing proportions, of four elemental substances - earth, air, fire and water.