By being tested against reality multiple times.
no
a scientific test
A scientific theory
theory or fact that of course is influenced by a theory
The other way around. Its hard to become a theory.
whenever an experiment fails to confirm the theory it is no longer a theory ... it becomes a hypothesis
scientific law
The theory has been tested (against reality).
law is based on fact theory is a concept/idea
A theory
theory
whenever an experiment fails to confirm the theory it is no longer a theory ... it becomes a hypothesis