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Nature of Science

Nature of Science

Author: Allison Engmark

To explain the difference between a fact, hypothesis, theory, and a law.

There are many different terms used in science, but a few of the most important include Fact, Theory, Hypothesis, and Law.   These words are defined below:

Fact:  A fact is an observation that is repeatedly confirmed.

Theory:  A theory is a well substantiated explaination of an aspect of the natural world.  This is the best possible explanation in science and is the "end point" in explaining a part of the natural world. 

Hypothesis:  A hypothesis is a testable statement regarding the natural world.

Law:  A law is a generalization about how something works.  It will describe behaviors. 

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