What Is The Difference Between A Theory And A Law

Theory explains why something happens whereas law describes what happens when certain conditions are present.

A scientific theory or law represents a hypothesis or group of related hypotheses which has been confirmed through repeated testing almost always conducted over a span of many years. The link must be confirmed by cause and effect. Theory explains how nature works. A law is a fact that has been determined by linking observations.

1 a law is an observation. The theory is used to explain an occurrence while the law describes a phenomenon under specific circumstances in nature. Laws are generalization about a phenomena. Law and theory are two terms that are often used in context of scientific terminology.

Theories are typically more expansive and they focus on the how and why of natural phenomena. 3 a theory may become obsolete with time. This is the key difference between theory and. Scientific laws differ from theories in that they tend to describe a narrower set of conditions.

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Generally a theory is an explanation for a set of related phenomena like the theory of evolution or the big bang theory. The main difference between a law and a theory is that a theory tries to explain the reasoning behind something that occurs in nature whereas scientific laws are just descriptive accounts of how something occurs in nature. A theory is a supposition intended to explain something but the cause is not determined. Although theories and laws explain various concepts in science there is a definitive difference between theory and law.

However this never happens with a law. Theory and law. 2 a theory requires experimentation under various conditions. Theory and law are two terms that we encounter in the field of sciences.

Theory is often descriptive and complex than laws with detailed explanation or contains several supported hypothesis. The evidence back a theory after going through experiments under various conditions whereas a law is a simple concise statement that remains unchanged. Law explains what is nature doing under certain conditions and it can predict the future if the conditions are satisfied. A theory is the explanation of that observation.

The theory may be a correlation a coincidence or an actual fact that is not fully explained. A law has no such requirements. A theory may get outdated or replaced by the other one while the law doesn t get replaced. A scientific law might explain the relationship between two specific forces or between two changing substances in a chemical reaction.

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4 a theory can be replaced by another better theory. Theories explain the phenomena and try to back them with logic and evidence.