Australia's Science Forum

I find that if I should be away for a day, the science teachers would be able to get out their equipment because all equipment is labelled and they are familiar with where I store equipment. I also try and ask teachers to provide experiments at least a day in front, so that I can have them out and o...

We heat our agar plates at 30 degrees, and we dispose by taping plates from the beginning after they have exposed them, and then these plates are not to be opened again. We incubate, view and then throw out by wrapping in newspaper, making sure all plates are sealed correctly and placing in a double...

Hi All, I make my glass tubing by using the bunsen burner, and as mentioned previously it is very time consuming, however rewarding when they work out. I believe you can purchase already made delivery tubes, but I am unaware of the cost. I find that I have many broken when being used in class also, ...

We use marble chips also, and the good thing is you keep recycling them.

Laurena
Waikerie High

Hello, These are some of the esters that we make: Put approx 2ml of each substance into a large test tube, add approx 15 drops of sulfuric acid. Stopper the test tube loosely with cotton wool. Place the test tube in a large beaker of boiling water for approx 10-15 minutes. Pour contents into a 100ml...

Joh, Sorry I didnt explain myself very well, in the experiment Tasting Electricity, we use salt water with two wires, that have attached a pce of carbon electrode and zinc electrode and the students touch these wires onto the tongue. It is very safe and causes no trouble to the heart. :roll: Laurena...

We currently use a Prac called Tasting Electricity, unfortunately we find that it does not give us the best results, as we are unaware whether the students are feeling the tingling reaction or the wire. Salt Water Solution Carbon Electrode Zinc Electrode Two wires attached to electrodes and place on...

Blood Group A - 0.5 Molar Sodium Chloride 2.9g/100ml water and add red food dye. Blood Group B - 0.1 Molar Barium Nitrate 2.6g/100ml water and add red food dye. Blood Group AB - mix equal amounts of the above two reagents and add red food dye. Blood Group O - water plus red food dye. Antisera A - 0....

Janet,
I have just read a booklet from Wiltronics, and they have Polythenelene Y pieces for .88 cents for (1-9)
.79 cents for (10-24)

http://www.chemtalk.com.au/viewtopic.php?f=26&t=451

Laurena
Waikerie High School

We have recently been doing a topic on "Energy and Sound", however we are looking at changing our experiments and would like some other Endothermic experiments, has anyone got some ideas for our year 8 class. We have previously used - Calcium Oxide in Water and Phenolphthalene in Sodium Hy...

bindi,
Your a legend, I have went and got some corn chips and will try this experiment today.
I appreciate your response and look forward to hearing the students reply.
laurena

Waikerie High School

I use Sprite Powerful cream cleanser (available from Guardian Chemicals) on my crucibles and then use a scourer to scrub, and remove the soot and grime.
Works Well.

Laurena
Waikerie High School

We have been using the experiment "The Burning Peanut" for our Year 8 energy topic, however we have been finding more and more students suffer from nut allergies, therefore we have deleted this experiment, but have not been able to come up with another experiment that is as adequate or bet...

Has anyone else had trouble purchasing junket tablets for year 12 Biology (Enzyme Activity), apparently these have been taken off the shelves in
South Australia.
laurena
Waikerie High School