Week: SEVENSubject: PHETopic: PathogensSUB TOPIC(s):Behavioural objectives: At the end of the lesson, pupils should be able to; Define pathogens Explain communicable diseases Give examples of communicable diseases Explain how it can be prevented.Instructional material/Reference material: Physical and Health Bk; 6 by A. Ayegbusi, B. Musa, Charts and picturesCONTENTPathogens, diseases and preventionCommunicable diseases e.g. HIV/AIDS measles,