Experiment 2&3 1. Video: Culture Media Preparation and autoclaving 2. Discussion: Bacterial culture Sterilization and disinfection 3. Exercises. All students: Streak plates Group 1: Examination of the bacterial distribution Group 2: The ultraviolet radiation test Group 3: Effectiveness of hand washingExperiment 2 & 3 1. Video: 2. Discussion: 3. Exercises: Culture Media Preparation and Autoclaving Bacterial culture Sterilization and disinfection All students: Streak plates Group 1: Examination of the bacterial distribution Group 2: The ultraviolet radiation test Group 3: Effectiveness of hand washing