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KS3 Hand Hygiene

Hand hygiene has been shown to reduce the incidence of absenteeism in schools as good hand hygiene reduces the spread of microbes and infection. Our Hand Hygiene lesson supports children to understand the importance of handwashing, giving step by step instructions in an engaging format. This lesson perfectly complements RSHE Health and Prevention guidelines.

Last Updated: 13 August 2021
English Antibacterial, Bacteria, Contagious, Harmful, Hygiene, Infected, Infectious, Micro-organism, Microbes, Transfer
  • Overview

What will you learn:

In this lesson, students carry out an experiment to observe how microbes can spread from person to person simply by shaking each other's hands. They will also have to decide which method is best for hand washing. Picture scenarios to lead class discussion on what might be making two children ill.

Activities include:

  • An experiment to observe how microbes can spread from person to person simply by shaking their hands.
  • Worksheets that can be used to have a classroom discussion on the chain of infection.

Learning Objectives:

  • Understand that infection can be spread through unclean hands.
  • Understand that sometimes microbes can make us ill.
  • Understand that prevention of infection, where possible, is better than cure.
  • Understand how, when and why to wash their hands.
  • Understand that handwashing can prevent the spread of infection.
  • Understand why we should use soap to wash our hands.


  • Petri dishes containing nutrient agar
  • Hand soap
  • Paper towels
  • Access to a sink
  • Permanent marker

Curriculum Links:

  • Science: Working Scientifically, Experimental skills and investigations, Analysis and evaluation
  • English: Spoken English
  • RSHE: Health & Prevention
  • Design & technology: Cooking and nutrition
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