Through the use of an interactive website, this course introduces students to several important topics in geology. These include the distinctive characteristics of rocks and minerals,the interpretation of specialized maps, the theory of plate tectonics and the processes by which rocks form from earth materials. It provides on-line exercises to present and explain each topic. The website provides all the resources and information required to gain mastery of the subject matter. Links to the on-line exercises and to course information (such as the course calendar, exam and assignment due dates, grading practices, etc.) are found on the course home page.