Making Polyurethane foam: Could someone please tell me where I can find instructions for a Year 11 chemistry prac for making polyurethane foam?

Making Polyurethane foam: Could someone please tell me where I can find instructions for a Year 11 chemistry prac for making polyurethane foam?
This Standard Operating Procedure (SOP) contains a detailed method, including photographs, for how to perform a heart dissection.
This Standard Operating Procedure (SOP) contains a detailed method, including photographs, for how to perform a kidney dissection.
Mercury Thermometers: how do we dispose of mercury thermometers?
Making ionic compounds: I need help to understand the products we ended up with when we ran this practical.
Enzyme preparation for experiments: Could you provide guidance in the correct preparation of enzymes such as trypsin, pepsin and amylase for enzyme digestion practical activities?
Mercury II Thiocyanate: Hi all. Does anyone know if we can use this in high schools? it is used to make Pharoah's serpent?
Disposal of potassium permanganate: I would like to know how to dispose of potassium permanganate 0.02M solution. The MSDS states it is not a hazard but that it must not be put down the drain.
Reflux and distillation: How should solutions be heated when using quickfit apparatus to perform reflux or distillation? Are Bunsen burners still allowed? We do not have any heating mantles.
Organic waste: Students are investigating the reactions and properties of organic compounds from Heinemann Chemistry 2 VCE units 3 & 4.