A scientific theory is an explanation of observations or events that is based on knowledge gained from many observations and investigations.
Kinetic Molecular Theory Theory of Natural Selection Big Bang Theory Theory of Relativity
A scientific law is a rule that describes a repeatable pattern in nature.
Law of Conservation of Energy Law of Reflection Law of Universal Gravitation Law of Conservation of Momentum
TheoryLaw An explanation of why or how an event occurred. Supported by many observations. Can be rejected or modified. States that an event will occur but not why or how. Supported by many observations. Can be rejected or modified.