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I'd probably wind things down a bit to 0.5 to 2.5M in 0.5M increments.

Just had our usual term practice lock down followed by evacuation after a fire alarm, I couldn't hear the siren for the lockdown in my room so was unaware it was happening, one of the teachers did and came rushing into my prep room to inform me of the annoying whining sound in the lab, I go and...

The SEP energy transfer unit works okay but it does need a decent lamp or really strong sunlight.

I've found Elodea tends to emit fewer larger bubbles, Hornwort tends to produce lots of little bubbles, I usually cut the stem after the light has been shining on the weed for a while.

Three technicians to 26 teachers plus student teachers and other folk who randomly turn up throughout the year.

That might explain where all the little whiteboard pens are going.

I follow the CLEAPSS guidance and leave it at that, if the school want to pay someone else to do the testing they can do so, if they do I'll expect the company concerned to fill the paperwork in, I guess the site manager should retain a copy rather than me, as long as the fume cupboard has a...

I follow the CLEAPSS guidance and leave it at that, if the school want to pay someone else to do the testing they can do so, if they do I'll expect the company concerned to fill the paperwork in, I guess the site manager should retain a copy rather than me, as long as the fume cupboard has a...

It has always been on the summer holiday jobs list, but as there is only me now I report blocked sinks to the site staff, it is usually cleaners emptying mop buckets down them that blocks them up.

When staff leave someone in the school management should ascertain if a replacement is required, unless the job has been made redundant the answer is almost always going to be yes. There has to be someone high up responsible for recruitment even in academies where that function may be centrally...

I provide a sharp lock knife, I found it while out walking, the blade can be folded away after use, its the first thing I look for when collecting the kit.

Currently, 94 technician hours in total per week per year, 263 lessons per week, 14 labs plus classrooms, lessons are actually longer than an hour as we still have a 3 per day, this is due to increase to 4 per day next year and no sign of any extra help, I have not worked out the new service...

I usually keep a few 2litre bottles of tap water sitting on a prep room window sill to use for pondweed, it always seems to be okay.

Here you go, the amount of stuff we chuck away should keep a few of these going. https://www.homebiogas.com/ If they don't get the gas pipe fixed soon I'm going to suggest it.

If they are serious about being green. Why don't they just install a biogas generator in the new build?

I use a fine brass split pin attached to a lead with a 4mm plug on the other end, students just trap the wire in it and slide it along, they can line it up with the markings on the ruler.

I think the tablets will have insoluble compounds in them that won't dissolve, the chromatograms can be placed in dilute potassium permanganate to show the dots, we did this once, never again. The link to the site above has the details if you can access it.

Couldn't put 15 sets of equipment out in some rooms due to lack of space, we aim for students working in pairs at KS5.

Contact Andrew Field, he will be able to advise and supply balances, he often has balances for sale at discounted rates, anything you get from him will be fully serviced.

I've worked with teachers who would still expect a room like that to be sorted out over the weekend. I hope they manage to solve the problem but it sounds like a big job involving lots of folk in hi-viz gear paying you a visit.