A scientific theory is a well-tested, broad explanation of a natural phenomenon. In everyday life, we often use the word theory to mean a hypothesis or educated guess, but a theory in the context of science is not simply a guess—it is an explanation based on extensive and repeated experimentation.

What is a scientific theory example?

A scientific theory is a broad explanation that is widely accepted because it is supported by a great deal of evidence. ... Examples of theories in physical science include Einstein's theory of gravity, the kinetic theory of matter and the wave-particle theory of light.

What is a scientific theory answer?

A scientific theory is a broad explanation for events that is widely accepted as true. To become a theory, a hypothesis must be tested over and over again, and it must be supported by a great deal of evidence.