Chemistry is a major branch of the physical sciences and involves the study of substances and energy. It focuses on their composition, characteristics, changes, reactions, uses, and their benefits and dangers to human kind. Chemistry is important in the production of food, clothing, furniture, pharmaceuticals, plastics, glass, paper, and electronic devices. Knowledge of chemistry is crucial to environmental protection efforts as well as to mankind's health and safety.
Broad areas for further study are: inorganic chemistry, organic chemistry, analytical chemistry, applied chemistry, bio/chemistry, physical chemistry, nuclear chemistry and medicinal chemistry.