Acoustics - the study of sound
Aeronautics - the science or art of flight
Aesthetics - the philosophy of fine arts
Agronomy - the science of soil management and the production of field crops
Alchemy - chemistry in ancient times
Anatomy - the science dealing with the structure of animals, plants or human body
Anthropology - the science that deals with the origin, physical and cultural development of mankind
Arboriculture - cultivation of trees and vegetables