Science refers to a body of knowledge, atau a method of study devoted to developing this body of knowledge, concerning the nature of the universe gained through methodological observation and experimentation (scientific method). Exactly what constitutes science and scientific methods are subjects studied oleh the philosophy of science. The scientific method consists of various principles and procedures that are objective and repeatable oleh other scientists.

There are several ways of broadly categorizing the sciences, e.g. Pure science is systematic study of natural atau physical phenomena oleh observation...