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Micro-organisms: harmful microbes

Teaching Time: 50min

Target Group: Key Stage 2

Science: Working scientifically; Living things and their habitats

English: Reading and Comprehension

PSHE: Core Theme 1 - Health and Wellbeing

Design and technology: Cooking and nutrition

Learning Objectives:

All students will:

  • understand that some microbes can make us ill.

Most students will:

  • understand that harmful microbes can be spread from person to person.

Some students will:

  • understand that not all illnesses are caused by harmful microbes.


In this section students are introduced to a variety of health issues caused by harmful microbes.

Your class will discuss how bad microbes can be harmful and that not all illnesses are caused by microbes.

Activities include:

  • Picture scenarios to lead class discussion on what might be making two children ill.
  • “Bad Bug Challenge” word searches and crossword help to reinforce words associated with bad microbes and illness.

Student Handouts for this section are also available in an MS PowerPoint presentation for whiteboard use.