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Chapter 12: Problem 75

What is a scientific law? What is a theory? How do these concepts differ? Does a law explain a theory, or does a theory attempt to explain a law?

Short Answer

Expert verified
A scientific law is a concise statement based on repeated experimental observations, which describes some aspect of the natural world under specific conditions, often expressed mathematically. A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on empirical evidence and logical reasoning, unifying a broad range of observations. The main differences between scientific laws and theories are their purpose, scope, nature, and flexibility. Laws describe what happens; theories explain why. Laws have a narrow scope, while theories have broader explanatory power. Laws are often mathematical, while theories are non-mathematical. Laws are rigid, while theories are more flexible. Scientific theories do not explain scientific laws; instead, they integrate and build on various laws to provide a comprehensive understanding of phenomena. Laws are components of theories, and theories attempt to explain the relationships and underlying causes described by these laws.

Step by step solution

01

Definition of a Scientific Law

A scientific law is a statement based on repeated experimental observations that describes some aspect of the natural world. It is a rule that explains what happens under specific conditions, often expressed mathematically. Scientific laws are concise, systematic descriptions of how nature behaves.
02

Definition of a Scientific Theory

A scientific theory is a well-substantiated explanation of some aspect of the natural world, which is based on empirical evidence and logical reasoning. It provides a coherent and comprehensive explanation of the observed phenomena and can be tested and refined through further experimentation. Theories often unify a broad range of observations under a common framework.
03

Differences between Scientific Laws and Scientific Theories

1. Purpose: Scientific laws describe what happens under specific conditions in the natural world, while scientific theories explain why those phenomena occur. 2. Scope: Scientific laws are usually narrow and limited to specific situations, whereas scientific theories have broader explanatory power, unifying various observations and phenomena. 3. Nature: Laws are often expressed in mathematical terms, while theories are mostly composed of non-mathematical explanations. 4. Flexibility: Laws are typically more rigid and remain relatively unchanged over time. Theories, on the other hand, are more flexible, evolving and adapting as new evidence emerges.
04

Relationship between Scientific Laws and Scientific Theories

A scientific theory does not explain a scientific law, but rather a scientific theory integrates and builds on various scientific laws to provide a more comprehensive understanding of the phenomena. In other words, scientific laws are components of a theory, describing specific relationships in the natural world, while theories attempt to explain these relationships and their underlying causes.

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Most popular questions from this chapter

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