1. Chapter 1 Chemistry: An Introduction

2. Section 1.1 Chemistry: An Introduction Return to TOC Copyright © Cengage Learning. All rights reserved Why Is Chemistry Important?

3. Section 1.1 Chemistry: An Introduction Return to TOC Copyright © Cengage Learning. All rights reserved In this course, you will:

4. Section 1.2 What Is Chemistry? Return to TOC Copyright © Cengage Learning. All rights reserved The science that deals with the materials of the universe and the changes these materials undergo. The central science.

5. Section 1.3 Solving Problems Using a Scientific Approach Return to TOC Copyright © Cengage Learning. All rights reserved 1.Recognize the problem and state it clearly. 2.Propose possible solutions to the problem or possible explanations for the observation. 3.Decide which of the solutions is the best or decide whether the explanation proposed is reasonable.

6. Section 1.4 The Scientific Method Return to TOC Copyright © Cengage Learning. All rights reserved Steps in the Scientific Method Process that lies at the center of scientific inquiry.

7. Section 1.4 The Scientific Method Return to TOC Copyright © Cengage Learning. All rights reserved Scientific Models Summarizes what happens. Law Theory (Model) An attempt to explain why it happens. Set of tested hypotheses that gives an overall explanation of some natural phenomenon. Hypothesis A possible explanation for an observation.

8. Section 1.5 Learning Chemistry Return to TOC Copyright © Cengage Learning. All rights reserved Summary of Topics: Chapter 1 What is Chemistry Scientific method