1. Chapter 1 The Chemical World

2. What Is Chemistry?  The science that deals with the materials of the universe and the changes these materials undergo.  The science that seeks to understand what matter does by studying what atoms and molecules do.

3. What Is Chemistry?  Everything is made of tiny pieces called atoms and molecules.

4. Scientific Method  A process for trying to understand nature by observing nature and the way it behaves, and by conducting experiments to test our ideas.  Key characteristics of the scientific method include Observation, formulation of Hypotheses, Experimentation, and formulation of Laws and Theories.

5. Scientific Method

6. Applies to single or small number of events Applies to all events Describes what happens observationlaw Explains why things happen hypothesistheory

7. Summary of Topics: Chapter 1  What is Chemistry?  Scientific method