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Welcome to the new CLEAPSS Science Website
What is CLEAPSS
CLEAPSS resources give teachers ideas for exciting and engaging practical activities that fire pupils' imaginations and then, unlike many other sources of ideas, go on to show teachers and technicians in detail how to translate the ideas into safe and exciting experiences in the classroom.
CLEAPSS advice and documentation is recognised by the Health and Safety Executive and the Department for Education.. (read more)
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Latest news from CLEAPSS..
CLEAPSS WhatsApp Channel
We now have a WhatsApp Channel to keep you up to date with all things CLEAPSS.

Use this QR code to subscribe to the CLEAPSS Channel.
CLEAPSS at the ASE Conference 2025
Find all the resources related to our workshops, talks at the ASE Conference in Nottingham 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 Goggles 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. 



What's new.. All new documents..
PP180 - Transition activity: Measuring volume, mass and force
A series of simple yet engaging activities to support visiting children to become familiar with commonly used measuring equipment.
 (24 Jun 2025)
GL472 – Activities using slime mould
This guide outlines a number of practical activities and investigations using the slime mould Physarum polycephalum, including making mazes, investigating food choices and observing features under a m.. full details
 (23 Jun 2025)
GL471 – Slime moulds
A general introduction on how to grow the slime mould Physarum polycephalum, using two different methods.
 (23 Jun 2025)
GL464 - Make it guide- Thin layer chromatography (TLC) plates
Instructions on how to make a version of TLC plates using simple resources.
 (19 Jun 2025)
GL190 - Using electrostatic generators - making sparks
Straight forward advice on the safe use of the Van de Graaff generator and Wimshurst machines, with some suggestions on suitable practical activities.
 (11 Jun 2025)