The document outlines the key branches of social sciences and themes of social studies. It discusses 10 branches of social sciences - economics, sociology, psychology, anthropology, political science, history, geography, linguistics, and archaeology. Each branch is defined briefly. It also outlines 10 themes of social studies - culture, continuity and change, people places and environments, individual development and identity, individuals groups and institutions, power authority and governance, production distribution and consumption, science technology and society, global connections, and civic ideals and practices. The themes represent the core content areas that will be covered in social studies to help young learners understand what constitutes the subject.