The Part I of Social Science Textbook consists of eleven chapters related to History, Political Science, and Sociology. Among them, seven chapters deal with History. The first two chapters are related to world history and the subsequent four chapters discuss themes from Indian history. One chapter is related to Kerala history. Incorporating maximum historical sources, these chapters are designed widely, utilizing the scope of thematic presentation. They are the extension of lessons presented in the seventh standard. The entire chapters have been planned ensuring continuity and extension of the contents discussed in the previous classes. The seventh standard textbook emphasises on chronological presentation of personalities, movements, facts, etc. On the other hand the textbook for standard X introduces the historical process by giving prominence to the analysis of concepts rather than presenting mere facts and events.