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..
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Latest news from CLEAPSS..
RSC Survey
More science technicians leaving because of stress and exhaustion
Royal Society of Chemistry annual survey also finds that science teaching staff are struggling to deliver practical lessons
https://www.tes.com/magazine/news/general/more-science-technicians-leaving-stress
Food Waste
CLEAPSS has worked closely with DEFRA to establish clear, definitive guidance for food waste disposal in science departments in schools. This follows uncertainty around how the changes in regulation affect handling of what could be consider to be food waste arising from science lessons, especially when the material has been contaminated, intentionally or accidently, by chemicals.
In short, food materials used in science should be double-bagged in opaque plastic and placed in general waste.
CLEAPSS - Technicians H&S Self Study Online Course - FREE!!!
We have developed a self-study course for technicians.
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. .
CLEAPSS ECT Training
Got an NQT/ECT joining your school next term ?
Then sign them up for one of our ECT Course H&S in practical Science for early career teachers
Discover the Fascinating World of Slime Moulds with CLEAPSS
Unlock the mysteries of slime moulds with two brand new guides from CLEAPSS: GL471 Slime Mould and GL472 Activities using Slime Mould.
These comprehensive resources outline what you need to bring the study of slime moulds into the classroom.
Useful for studying behaviour and growth, GL471 offers expert insight into slime mould biology, care, and observation tips, whilst GL472 features engaging, hands-on activities designed to inspire curiosity and scientific investigation.
What's new..
All new documents..
G9 - Fume Cupboards in Schools
This
guide is intended for those using, buying, or designing fume cupboards for
schools and colleges. Information is provided on common problems, on choosing
and installing appropriate cupboards an.. full details
(16 Sep 2025)
PP149 - Investigating osmosis of red blood cells
This procedure outlines how to observe lysis and crenation of red blood cells using different concentrations of saline solutions.
(16 Sep 2025)
GL485 - Observing and analysing blood
This guide outlines how to observe different components of blood and also how to analyse blood for a number of biomolecules.
(15 Sep 2025)
PS009 - Science class sizes, laboratory sizes and possible effects on safety
Provides recommendations on suitable lab sizes and the number of students that can safely be taught in them. Includes advice on the impact, on both students and teachers, of overcrowding
(8 Sep 2025)
GL486 - Creating areas for environmental study on school grounds
This document contains information and supporting links on developing environmental areas in schools, from the initial planning stages through to management strategies for when you are up and running... full details
(5 Sep 2025)