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Section 1.3 Main Ideas

Scientific information is communicated through lab reports, professional papers, tables and graphs, and models.

A scientific theory is an explanation based on many observations during repeated experiments. A scientific theory is valid only if it is consistent with observations, makes predictions that can be tested, and is the simplest explanation of observations. A theory can be changed or modified if it is found to be incorrect.

A scientific law is a basic fact that describes the behavior of a natural phenomenon. A scientific law can be thought of as a “rule of nature,” even though the cause of the law may not be known.

Section 1.3 Study Guide

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