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.
An astronomer is a scientist who focuses primarily on the study of space, which includes the stars, the planets and the galaxies above us. The study of astronomy is the oldest of the natural sciences, and the only science in which you can only observe, and not physically touch what is being studied.