This document provides details about a Social Science lesson for 9th standard students on the topic of Koan civilization. It includes the name of the teacher, school, subject, unit, sub-unit, duration of the lesson, learning objectives, classroom activities and discussion. The key points covered are: - Koan civilization was one of the most influential cultures in ancient world history. - Sources of information about Koan civilization come from Chinese texts, artifacts and ruins. - Koan society was agricultural based and people followed Confucian philosophies. - The lesson aims to teach students about different aspects of Koan civilization through class discussions and activities.