Noun
the physical properties, phenomena, and laws of something
Source: WordNetA logical theory may be tested by its capacity for dealing with puzzles, and it is a wholesome plan, in thinking about logic, to stock the mind with as many puzzles as possible, since these serve much the same purpose as is served by experiments in physical science. Bertrand Russell
Within the last fifty years, the extraordinary growth of every department of physical science has spread among us mental food of so nutritious and stimulating a character that a new ecdysis seems imminent. Thomas Henry Huxley
I didn't mind studying. Obviously math and the physical science subjects interested me more than some of the more artistic subjects, but I think I was a pretty good student. Alan Shepard
But honestly, if you do a rigorous survey of my work, I'll bet you'll find that biology is a theme far more often than physical science. David Brin
Without renouncing the support of physics, it is possible for the physiology of the senses, not only to pursue its own course of development, but also to afford to physical science itself powerful assistance. Ernst Mach
Economics is a social science, not a physical science. Jim Stanford