Simulation is a teaching technique that involves replicating real-life situations to help students learn. The document discusses simulation in detail, including its definition, purposes, types, principles, procedures, values and advantages/disadvantages. Key points covered include that simulation aims to provide students experiential learning in a safe environment, allows them to apply knowledge and receive feedback, and enhances critical thinking and problem-solving skills. Different types of simulation like role playing, socio-dramas and gaming are described. The overall process, including preparation, experience, sharing, processing and application stages are outlined.