"The branches of science (also referred to as "sciences", "scientific fields", or "scientific disciplines") are commonly divided into four major groups:

Natural sciences: the study of natural phenomena (including fundamental forces and biological life)

Formal sciences: the study of mathematics and logic, which use an a priori, as opposed to factual,methodology)

Social sciences: the study of human behavior and societies

Applied sciences: to apply existing scientific knowledge to develop more practical applications (like healthcare, technology or inventions).