CLEAPSS Supporting practical science and technology
CLEAPSS Technicians
CLEAPSS Supporting technicians

Technicians play a vital role in supporting the teaching of exciting, effective science safely. CLEAPSS provides guidance on all aspects of being a technician and resources such as stock lists, templates for laboratory checklists, requisition sheets, labels and much more to help technicians in their jobs. CLEAPSS actively works with other organisations to raise the status of technicians in schools.

We also post details of technician networks and job vacancies.

If you need help or advice or would like to share a technician tip please get in touch by email or phone.

Working with glass

Latest news from CLEAPSS..
COVID-19 (Coronavirus) in Schools - Updated 28/07/2020
Latest News

CLEAPSS office is open Tuesday to Thursday.

We will continue to answer ALL helplines, and continue to develop both emergency guidance for COVID-19 and longer term developmental guides across all the areas we cover.

Returning in September Guidance 
CLEAPSS is currently working with DfE and other agencies reviewing the latest DfE guidance for schools returning in September. 
We will publish our updated guidance in response to this in early August when the DfE confirm that this guidance is being implemented.

If you have an EMERGENCY Helpline i.e. pupil with chemical in their eye, a chemical spill, or radioactive issue. 
Then please call 07565 114 059 (available 8.30am-5.30pm weekdays)

If you have a question about your membership i.e. what is my password, or can I check we are members. Then call our membership line on 07707 543 647 (available 8.30am-5.30pm weekdays)

If you have a technical or subject based question. Then please email it to

Please do NOT call the above mobile numbers with routine questions.

Primary schools should refer to our primary website for their guidance on managing practical work.

DT Staff should refer to our DT website for their guidance on managing practical work.

Please continue to check this web page for updates, and follow our Twitter account (@CLEAPSS ) for more updates.

Following government advice, CLEAPSS has cancelled all our courses until the end of July. 

We have now created a series of new guides to support schools during the COVID-19/Coronavirus Pandemic :-

The online local authority renewal process
We have produced a video to support local authority officers who are completing their CLEAPSS membership returns using the new online system.

You can view the video here
Check your chemical store!
One thing to do BEFORE schools shut down for the summer holiday.

Make sure you check the chemicals in the chemical store are secure, not leaking and stored appropriately e.g. ensure there is water surrounding your 2,4-DNP(H).

Refer to guides GL246 and our chemical stocklist E233 for more guidance on how to do this.
CLEAPSS Podcasts
CLEAPSS is now running a new series of Podcasts, the first edition is with Dave Parry our DT adviser discussing the new DT MRATs (Hazcards for DT).

Episode 2 is now live and about radioactive sources and your RPO/RPA.

Episode 3 is now live and with 'Uncle' Bob all about Hazcards and SDS's.

Episode 4 is now live, and all about things that are alive! An episode all about microbiology with Ai-Linh.

We intend to record more of these in the near future.

Find them here :
New Log In Details
The new login and password has been sent to members via the printed bulletin.

As part of the move to online membership processing, direct members of CLEAPSS (ie not via a local authority or other brokering organisation) will have been sent a renewal notice by e-mail. We have sent out over 2500 electronic requests and so far almost half of those we have contacted have successfully navigated the online membership renewal process.If the renewal request has been passed to you by someone else and you are not sure what to do next, give us a ring (01895 251496) and ask us to resend the renewal directly to you. That way you can simply click on the link in the e-mail to access the online portal. 

If your school has not renewed its membership by the end of January, membership will lapse and your password will stop working.
Technicians Resources
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Members only resource Click to download Document.
This document includes instructions on making a number of simple ray boards for pupils to use drawing pins and string to work out and display the paths followed by rays of light in different situation.. more

Members only resource Click to download Document.
This edition includes notes on a prosecution because of a failure to adequately record risk assessments, an eye accident involving sodium hydroxide, advice on Bunsen tubing, a problem with a filter fu.. more

Members only resource Click to download Document.
Guidance for the preparation of carbon dioxide gas.

Members only resource Click to download Document.
This edition includes some notes on CLEAPSS staffing, the RPA service, the dangers of jequirty beads, pressure cookers, the Home Office project 'Secure Your Chemicals', warnings about some lasers and .. more

Members only resource Click to download Document.
The accompanying word files E251 a-h, when printed out, produce a 2 metre-wide periodic table for a wall display.

Members only resource Click to download Document.
Describes techniques needed for pour and lawn plates and when each might be appropriate..

Members only resource Click to download Document.
Extracted and refreshed from section 12 of the Handbook, includes information on different electronic meters, and investigations using them. Includes coulombmeters, sensitive galvanometers, picoammete.. more

Members only resource Click to download Document.
Updated from section 14 of the CLEAPSS Handbook, this very briefly describes the pros and cons of a marine aquarium.

Members only resource Click to download Document.
Guidance on preparing, labelling and storing solutions of hydrochloric acid.

Free resource Click to download Document.
Using sodium hydroxide solution safely in practical work. Includes soda lime and potassium hydroxide

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