Australia's Science Forum

Yeah, that's what I was wanting - to have them on the schedule so Science staff can see that that there are other things going on. I didn't think about not signing off on the risk assessments. Does that mean I could just delete them later? I don't want to clog the system with saved food tech risk as...

Hey all! I know I'm not the only science and food tech labbie out there, so I'm wondering if anyone else has tried using risk assess to help with time management by adding food pracs to the scheduling. Is that possible without doing an actual risk assessment? I'm assuming not, but I don't want to 'r...

dead bat No-one had better bring me a dead bat shuddering at the thought of the disease & virus ridden bio bomb ocker. there was rum as well I was searching through the posts for the spread of disease pracs and came across this post. I bet nobody asks for dead bats anymore! Ewww.... (Edit: Afte...

Follow up on my previous post - I was looking up how to dispose of it when I found the amounts for use to make the carbon snake. (As far as I know, most teachers just do "about this much sugar" and add "about that much acid" and off it goes!). I thought I should try it in case ou...

I've found some dark brown Conc sulphuric acid here. It didn't react with sugar for the carbon snake demo (which is what I got it out for). Is it likely to be good for anything? There is probably about 1L of it.

Wow!

I added salt (probably a bit too much...) and an awful lot of blue food colour! It is a very dark blue ice block now

I find it interesting that the food dye moves to the middle of the ice instead of creating a layer at the bottom. That's what it did in my ice cream container as well! I'm sorry about your cracked beaker. :-({|= Thanks for doing the experiment though! :popcorn: :thumbup: Looks like I should add some...

Is it possible that the Blue was copper sulfate and not food dye . Cold filtering is a method used to separate particles out of solution .I guess thats what is happening when you freeze it . Swimming Carnaval today . Time for an experiment :D blue.jpg I'm sure if it was copper sulfate it would have...

melsid wrote: ↑08 Feb 2021, 07:22 Not silly at all, it's a very common problem!

Someone told me that if you add salt to the water, the food colouring will not separate out. I haven't had a chance to try it yet myself, if you do please let me know if it works or not...

salt water did cross my mind... I'll have to give it a go!

Hello! I hope you've all survived the first full week back with students!! I am trying to make a block of blue ice. When I arrived, there was an ice cream container with beautiful blue ice in it for use in a fish tank to show convection. Said ice block has now been used and I am trying to recreate i...

Yeah that makes sense. COVID has changed everything!! So glad we are not in the UK or US though...

Does anyone know if any conferences are being run this year? I just looked up St Mary's/SLAMN and saw it is no longer running!!! It was such a great conference and one of the things I was looking forward to when I returned to the labs! The ASET website doesn't appear to have been updated for a while...