This document discusses identifying hazards and risks in the workplace. It defines hazards as anything that can cause harm, like chemicals or poor ventilation, while risk is the chance that hazards could hurt someone. It identifies common workplace hazards like physical, biological, chemical, ergonomic, and psychological risks. Specific examples are given for each type of hazard. The document also discusses how workers can determine health and safety problems by observing their workplace, examining complaints and records, and using checklists. Students are assigned to identify hazards and risks they see around their school and explain how each could endanger others. They are also asked to list 5-10 COVID-19 related hazards and risks.