Australia's Science Forum

We don't have a 24/7 exhaust fan. It's on a timer, I'm guessing about 2 hours. As soon as I enter the room I push the button, but it doesn't help much because there has been such a build up. It's pretty smelly and of course the flammable cupboard is extra smelly! The odours are contained in the room...

Thanks for the ideas everyone! Some great food for thought!
Cheers

Hi all,
I'm wondering how everyone stores their alligator wires?
I'm in the process of re-arranging my prep rooms, hopefully to be more organised and user friendly!
At the moment they hang on wire coat hangers, but they get into a terrible mess!
Appreciate all ideas

Thanks :-0

Thanks Merilyn!
He arrived this morning at 4.24am.
Levi Daniel, he is perfect in every way 7lb 8oz and 51cm long!
I'm in love!!!!!!

I'll be playing with a new grandson he was due yesterday, but still waiting, waiting........also entertaining the older ones with some day trips, nothing concrete planned! Hopefully the weather is going to stay pleasant!
Have a good break everyone

Yes
lockdown......short bursts continually for 20 seconds
evacuation....continuous bell for 20 seconds

thanks so much

Can someone tell me, please, what colour dot to use for Biuret solution?

Thanks

OK thanks piettaman

Hi all,

Is Calcium Hydrogen Orthophosphate Dihydrate water soluble??

I need to make a 0.1M solution.........I can't find any info....

thanks in advance....

thanks Debbie

O.K. thanks ELIZABETH!

Thanks for the feedback, ladies

Hi all, My teacher wants to do a prac...Investigating photosynthesis using Algal Balls.....my questions are, has anyone purchased green algae from any suppliers? I can see algal balls at Southern Biological....has anyone done this prac or a similar one? Do I just buy the algal balls or can I buy gre...

Hi all, Just wondering, I have seen something on here about restrictions on Bromine water........... Westlab (I think) sell 500ml bottles of saturated solution. I'm a D of E school.....are we able to buy this or are we only to buy the ampoules? I have also read that we shouldn't make a solution up f...

Mmmmm well I've been told by my principal that he wants me to do the whole school
So to clarify Labbie, it only needs a label if it goes into a classroom?

Another question about this rotten GHS labelling......sorry......do we have to label every "chemical" in the school??
Items in TAS, then there's all the bits and pieces in faculty staffrooms etc.......??

thanks for that Lyn!

I'm just wondering how long should universal indicator stay "fresh" for?? I have bottles of it dated 2005. I've had problems with it being contaminated twice today. The first lot was red so I discarded that and made up some new dropper bottles from a fresh bottle, but the teacher using it ...