Sulfur disposal: Could you please advise on the procedure for disposing of sulfur, specifically sulfur mixed with iron filings and HCl.
Electrical standards for classroom laboratories: Hi. Just wanting to find the current standard for school laboratories in WA with regard to electrical cut-off switches.
Forensic entomology: Are Grade 9 forensic elective students alllowed to do the following?
Making Sherbet: Can you tell me if any safety precautions are required for the sherbet activity, which allows students to create an acid–base reaction in their mouth?
Mercury Spills: We have a small amount of mercury in a thick-walled test tube, which only comes out once a year and is handled by the teacher. I do not have a spill kit for this. I was wondering
Number of exit doors in labs and prep rooms: How many exit doors must a lab and a prep room have? Should they be on opposite sides of the lab? Are sliding doors allowed?
Dissecting cane toads in WA: Could you please advise on the status of importing cane toads into WA as preserved specimens.
Students investigating mould and bacterial growth on food items: Are there any guidelines on how a prac investigating mould growth should be conducted?
Enzymes: Hi, do you have a recipe to mix trypsin 1:250 powder into a solution suitable for an enzyme digestion prac.
No concentration was stipulated in the activity.
Homeostasis - Osmoregulation: I am looking for an interesting and unique experiment relating to osmoregulation/salt-water balance.