Hypotheses, theories, laws and principles?

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    Laws Theories
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Discussion Overview

The discussion revolves around the distinctions and relationships between hypotheses, theories, laws, and principles in the context of physical science. Participants explore how principles, such as Bernoulli's principle and the Pauli exclusion principle, fit into the broader framework of scientific understanding.

Discussion Character

  • Exploratory
  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • One participant seeks clarification on how principles relate to hypotheses, theories, and laws, noting a misunderstanding in a classroom setting.
  • Another participant suggests that 'principle' may be interchangeable with 'law' in many contexts.
  • A participant references Wikipedia, describing a principle as a comprehensive law or a normative rule, and questions why different terms are used if principles are essentially laws.
  • Hooke's Law is mentioned as an example of a law, with a humorous remark about its rigidity.
  • There is a discussion about whether principles are considered fundamental laws or merely laws, raising further questions about terminology.

Areas of Agreement / Disagreement

Participants express differing views on the interchangeability of the terms 'principle' and 'law', and there is no consensus on how to categorize principles within the scientific framework.

Contextual Notes

Some definitions and interpretations of terms may depend on specific scientific contexts, and the discussion reflects varying perspectives on the nature of principles versus laws.

wrongusername
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I had this discussion about the differences between hypotheses, theories, and laws in my physical science class today, and I suddenly remembered the principles I had learned about in physics (e.g. Bernoulli's principle, Pauli exclusion principle). I was curious how principles fit into this whole hypotheses/theories/laws thing, but unfortunately the teacher thought I was talking about values (like the principles scientists work by) and I couldn't quite explain what I was talking about. So can somebody please clarify this for me? :smile:
 
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wrongusername said:
I had this discussion about the differences between hypotheses, theories, and laws in my physical science class today, and I suddenly remembered the principles I had learned about in physics (e.g. Bernoulli's principle, Pauli exclusion principle). I was curious how principles fit into this whole hypotheses/theories/laws thing, but unfortunately the teacher thought I was talking about values (like the principles scientists work by) and I couldn't quite explain what I was talking about. So can somebody please clarify this for me? :smile:
This is probably the answer you are looking for.

http://chemistry.about.com/od/chemistry101/a/lawtheory.htm
 
Don't forget Hooke's Law which is about as rigid as the springs it touches upon.
 
I think 'principle' is interchangeable with 'law' in most cases.
 
Tinyboss said:
Wikipedia has a decent discussion on it.

A principle is one of several things: (a) a descriptive comprehensive and fundamental law, doctrine, or assumption; (b) a normative rule or code of conduct, and (c) a law or fact of nature underlying the working of an artificial device.

Principle as scientific law
Laws Physics. Laws Statistics. Laws Biological. Laws of nature are those that can not be proven explicitly, however we can measure and quantify them observing the results that they produce.

Pulled from the Wikipedia page. So are principles "fundamental" laws or, as Jimmy said, usually "just" laws?

Why do they have different names then?



Jimmy Snyder said:
Don't forget Hooke's Law which is about as rigid as the springs it touches upon.

How would this fit into the discussion about principles? Just wondering.
 

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