Chapter 2 stresses the importance of measurements in science. It covers the skills needed to make careful measurements, the metric system, scientific notation, significant digits, operations involving significant digits, graphing techniques and the concepts of accuracy and precision. Making careful measurements is a key to being successful in your study of physical science. This product uses the interactive capabilities of a computer. The chapter has an embedded end-of-chapter quiz, uses graphics, animations, user interactivity or embedded video on almost all pages. This product is designed to provide bite-sized pieces of information in an effort to enhance the scientific literacy of our next generation, not to overwhelm them with sheer quantity of information. Chapter 2 section titles: Why is measurement important? • Scientific Notation • Operations with Scientific Notation • The Metric System • Precision and Accuracy • Significant Figures • Operations with Significant Figures • Making Measurements in Science • Graphing in Science • Chapter Concept Map • Checking Your Understanding. This product works both on a Macintosh or PC computer.