This document discusses why politics is an important topic to study and introduces some key concepts in political science. It notes that politics deals with important social and political issues like education, taxation, and racial tensions. It defines politics and government, and discusses why states vary in their policies and approaches. It introduces quantitative and qualitative analysis, the idea of variables and units of analysis, and the concepts of correlation and causation. Key terms covered include concepts, operationalization, theories, hypotheses, and political culture.