x Student Materials Lab Workbook The Lab Workbook includes two types of student activities. The fi rst type of activity consists of questions designed to reinforce the content of the textbook. Completing these “workbook” activities helps you gain a deeper understanding of the terms, concepts, theory, and procedures presented in the chapter. The second type consists of hands-on lab activities, designed to be completed in the classroom with instructor guidance and supervision. These “lab” activities provide an opportunity to apply and extend the knowledge gained from the textbook. Online Textbook This online version of the printed textbook gives students access anytime, anywhere whether using an iPad, netbook, PC, or Mac computer. Using the Online Textbook, students can easily navigate from a linked table of contents, search specifi c topics, quickly jump to specifi c pages, zoom in to enlarge text, and print selected pages for offl ine reading. The Online Textbook is available at www.g-wonlinetextbooks.com.