This Comparing Disinfectants lesson plan also includes:
High schoolers observe bacterial growth. They infer how well a disinfectant controls bacterial growth. Students draw conclusions regarding the best way to use disinfectants. They are asked why some cleaning products contain disinfectants. High schoolers discuss the fact that bacteria are present everywhere around them, and that controlling bacteria by using disinfectants helps to prevent the spreading of disease and food spoilage.