Editing Physics (section)

===Scientific method===
Physicists use the scientific method to test the validity of a [[physical theory]]. By using a methodical approach to compare the implications of a theory with the conclusions drawn from its related experiments and observations, physicists are better able to test the validity of a theory in a logical, unbiased, and repeatable way. To that end, experiments are performed and observations are made in order to determine the validity or invalidity of a theory.<ref>{{cite journal |last1=Ellis |first1=G. |last2=Silk |first2=J. |title=Scientific method: Defend the integrity of physics |journal=Nature |date=16 December 2014 |volume=516 |issue=7531 |pages=321–323 |doi=10.1038/516321a |bibcode=2014Natur.516..321E |pmid=25519115 |doi-access=free }}</ref>

A scientific law is a concise verbal or mathematical statement of a relation that expresses a fundamental principle of some theory, such as Newton's law of universal gravitation.<ref name="honderich1995pp474-476">{{harvnb |Honderich|1995|pp=474–476}}</ref>