CLEAPSS Chemistry

Chemistry – Let's make it happen!

CLEAPSS provides guidance for teachers, technicians, science advisers and H&S officers on all aspects of practical work. We know that chemistry experiments can cause problems and activities may not 'work' as expected, or provide the effective learning opportunity that’s required. Sometimes, health and safety concerns are raised about the chemicals involved.

CLEAPSS works with suppliers and others to ensure that suitable chemicals and equipment are used in schools and we can also suggest ideas and innovative methods that might help you enhance practical chemistry in your school.

So, if you’re stuck, or need a bit of advice, get in touch by e-mail or 'phone and we'll do our best to help!

Latest news from CLEAPSS..

Help make a real difference in science education

The 2025 Science Teaching Survey is open now.

You work in education, which means you understand the challenges better than anyone.

The Science Teaching Survey is the largest science education survey in the UK and Ireland. In this year’s survey, we’re asking what you need: the missing tools, resources and approaches that could make a real difference.

Tell us where the issues you’re facing today, by completing the survey!

CLEAPSS at the ASE Conference 2025

Find all the resources related to our workshops, talks at the ASE Conference in Nottingham 2025.

Conference Resources 2025

CLEAPSS - Teachers H&S Self Study Online Course

We have developed a new self-study course for teachers, which covers the basics of health & safety and how to manage practical work and risk assessments in lessons.

We expect this to take 2-3hrs to complete.

This is a FREE course, all you need to do is complete this registration form.

The course is made up of a series of videos and some tasks. There is an option to download / print off the PowerPoint slides used in the videos to enable users to made notes during the course.

Eye protection vs Goggles

Unsure of the differences between Googles and Eye Protection (safety specs) ?

The read our buying guide which outlines the differences between the two.

CLEAPSS resources for techs

A video to highlight CLEAPSS resources technicians may find helpful when organising prep rooms and labs, and which could also save them valuable time.

Chemistry Resources

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PP081 - Fractional Distillation of Crude Oil

Crude oil refinery is a foundation industry, providing fuel products for heating and transport, and raw materials for many further industries, including polymer and pharmaceutical manufacturing. Fract.. more

ASE Lab Design Gallery

A portfolio of designs of school science laboratories, by Andy Piggott for the ASE

PS063 - Manufacturers and suppliers of electronic balances

This leaflet is intended to give brief details only of the major manufacturers and suppliers of electronic balances suitable for use in science within secondary schools and colleges.

CLEAPSS - Teachers H&S Self Study Online - Session 1 - Task

GL100 - School science technician services: a guide for senior managers

Outlines the work that science technicians do, the tasks which they should not, ideally, be given, and provides a pointer to the number of technicians needed in a department and to management issues w.. more

GL110 - CLP pictograms for chemical hazard labelling

This includes all the pictograms required by the Globally Harmonised System for chemical hazard labelling. A selection of large (A4) and small sized pictures for printing and use in schools

Testing for organic functional groups: unsaturation or double bonds

Testing for organic functional groups: unsaturation or double bonds

G030 - Successful Science Practicals

Straightforward advice on how to make sure your practical lessons work as you intend. Includes planning and preparing the activity, managing students, timing and equipment, and clearing away. Also inc.. more

GL316 - Using a tap funnel to separate immiscible liquids

Straightforward instructions on using a tap funnel, a piece of equipment used in several chemical preparations and investigations.

PX038 - Ethanoic and other monobasic acids, and their salts

Brief risk assessment guidance and experimental notes for a range of practical activities involving monobasic organic acids and their salts (Hazcards 38A, 38B, 38C, 38D).

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