Designed for use as a companion to any core DC/AC electronics book, this lab manual contains 35 experiments that build upon each other to guide users from basic concepts to more complex circuit analyses. Beyond simple data collection, each lab promotes critical thinking skills by requiring users to make their own predictions about the behavior of a circuit, test them, and draw conclusions by comparing their hypotheses to actual lab results. A series of questions at the end of each experiment leads users through the process of drawing logical conclusions about circuit behavior that are grounded firmly in their understanding of basic electronics principles. In addition, each experiment provides continuous reinforcement of DC/AC electronics concepts. Necessary components for all experiments are readily available in most electronics labs, and component values may be substituted if needed without altering the concept of the experiment.