Cleaning chemistry: soaps and detergents

A photograph of a bar of yellow soap in a blue and white enamel soap dish, against a pink-orange background

Source: © Getty Images

Discover practical experiments, investigations and other activities for 11–16 year olds to explore the chemistry of cleaning products like soaps and detergents.

In this collection of activities, students develop their understanding of key chemical ideas relating to soaps and detergents. Suitable for 11–16 year olds, the resources draw on a variety of scientific, historical and everyday contexts, with activities ranging from making and testing soap to product analysis. Stimulate and engage your students to learn about:

  • The chemical composition of cleaning products
  • How soaps and detergents work
  • Saponification, soap ‘scum’ and soapless detergents
  • The history of soap
  • Experimental design and planning investigations

Each activity includes instructions for students, as well as editable worksheets and resources available for download.

Make your lessons pop

Choose an account option to continue exploring our full range of articles and teaching resources

Register for a personal account

Free

Free access for everyone, everywhere. If you only need a few resources, start here.


What's included

  • One free teaching resource each month
  • Five free Education in Chemistry articles each month
  • Personalised email alerts and bookmarks
UK and Ireland only

Join Teach Chemistry

Free for eligible users

Free and comprehensive access for teachers and technicians at secondary schools, colleges and teacher training institutions in the UK and Ireland.


What's included

  • Unlimited access to our resources and practical videos
  • Unlimited access to Education in Chemistry articles
  • Access to our online assessments
  • Our teacher well-being toolkit and personal development resources
  • Applications for funding to support your lessons

Subscribe for extended access

£80 per year

Get unlimited articles and resources each month, plus discounts on professional development courses.


What's included

  • Unlimited access to our resources and practical videos
  • Unlimited access to Education in Chemistry articles
  • 10% off our self-led professional development courses