Micro-organisms, more commonly known as ‘germs’, ‘bugs’ or ‘microbes’, are tiny living things too small to be seen with the naked eye. They are found almost everywhere on Earth. It is important to clarify that microbes are not innately ‘useful’ or ‘harmful’.

Although extremely small, microbes come in many different shapes and sizes. The three groups of microbes covered in this resource are viruses, bacteria and fungi.

This lesson plan will encourage students to consider the different types of microbes, become familiar with some of the most well known microbes, and design their own.

Learning Outcomes:

  • All students will:
  • Understand that bacteria, viruses and fungi are three main types of microbes
  • Understand that microbes are found everywhere
  • Most students will:
  • Understand that microbes come in different shapes and sizes and are too small to be seen by the naked eye
  • Understand that microbes can be beneficial, harmful or both

Activities Include:

  • Starter Activity:
  • Magazine Microbes
  • Main Activity:
  • Designabug
  • Extension Activities:
  • What are Microbes?
  • What Microbe am I?
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Curriculum Links:

  • Science:
    • Working scientifically
    • Living things and their habitats
    • Health and prevention
  • English:
    • Reading and comprehension
  • Art & Design:
    • Painting
    • Recording observations