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Chapter 1: Problem 60

(a) What is the difference between a hypothesis and a theory? (b) Explain the difference between a theory and a scientific law. Which addresses how matter behaves, and which addresses why it behaves that way?

Short Answer

Expert verified
(a) A hypothesis is an educated guess or proposed explanation for an observation, testable through experiments and further observations. A theory is a well-supported explanation of the natural world incorporating multiple lines of evidence and has withstood rigorous testing. The main difference lies in the amount of supporting evidence and acceptance within the scientific community. (b) A theory is a well-established explanation of a phenomenon based on observational evidence, experimental results, and logical reasoning, while a scientific law is a statement that describes a consistently observed pattern in nature with no exceptions. Scientific laws address how matter behaves, describing the relationship between phenomena under specific conditions. Theories address why matter behaves that way, providing underlying explanations and making predictions about natural phenomena.

Step by step solution

01

Part A: Difference between a hypothesis and a theory

A hypothesis is an educated guess or a proposed explanation for an observation, which can be tested through experiments and further observations. On the other hand, a theory is a well-supported explanation of the natural world that incorporates multiple lines of evidence and has withstood rigorous testing. The main difference between a hypothesis and a theory is the amount of supporting evidence and the level of acceptance within the scientific community.
02

Part B: Difference between a theory and a scientific law

A theory is a well-supported and well-established explanation of a phenomenon or a set of related phenomena. It is based on observational evidence, experimental results, and logical reasoning. A scientific law is a statement that describes a consistently observed pattern in nature, with no exceptions. Both theories and laws are supported by empirical evidence, but laws describe what happens, whereas theories explain why it happens.
03

Which addresses how matter behaves?

Scientific laws address how matter behaves. They are statements based on repeated experimental observations that describe the relationship between various phenomena under specific conditions. Laws highlight the pattern or regularity in the observations, but they do not explain the underlying cause or mechanism.
04

Which addresses why matter behaves that way?

Theories address why matter behaves the way it does. They provide underlying explanations for the observations and results we see in experiments, helping us understand the principles and mechanisms behind natural phenomena. Theories are also able to make predictions and can be refined or replaced if new evidence is discovered.

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