Samacheer Kalvi 6th Social Science Book Solutions and Answers Guide Term 1, 2, 3. Term - I History 1 What is History? 2 Human Evolution 3 Indus Civilisation 4 Ancient Cities of Tamilagam Geography 1 The Universe and Solar System 2 Land and Oceans Civics 1 Understanding Diversity 2 Achieving Equality Term - II History 1 Vedic Culture in North India and Megalithic Culture in South India 2 Great Thinkers and New Faiths 3 From Chiefdoms to Empires Geography 1 Resources Civics 1 National Symbols 2 The Constitution of India Economics 1 Economics-An Introduction Term - III History 1 Society and Culture in Ancient Tamizhagam: The Sangam Age 2 The Post-Mauryan India 3 The Age of Empires: Guptas and Vardhanas 4 South Indian Kingdoms Geography 1 Asia and Europe 2 Globe 3 Understanding Disaster Civics 1 Democracy 2 Local Bodies: Rural and Urban 3 Road Safety