Australia's Science Forum

RiskAssess already doing work for you Wayne. I've been trying to push it at my main school for a while now with little success. Hopefully, my methods of "no risk assessment or properly filled out req form, no prac" will slowly wear them down.

I live literally 5 minutes down the road, but can't make it out of work to attend. You win this round, paid employment.

Warm vinegar with a few pinches of salt in it. Soak away.

I've used it as a fix for washing machine hose. For chemical bottles I would imagine it's a bit fiddly as you need to apply it quite tight and overlap in order to get it to bond. But the stuff does work very well as a sealant, so I'd say worth a shot.

Slightly higher chance of skin irritation than bar soap, other than that relatively harmless.

I tend to use Chemwatch for as little as humanly possible. Excel spreadsheet is fairly effective, albeit a pain to update.

Portable fire extinguishers are by law required to be inspected by a qualified tester every 6 months.

EDIT: NSW Requirements Information <- Everything you need to know to cringe at what is and isn't correct in your school.

While I can't recall any specific guidelines to bunsen burner age restrictions off the top of my head, I would definitely be against classes of primary students taking part in their use, especially as low as years 3-4. They haven't got the presence of mind for the safety requirements involved (altho...