Third party Safety Data Sheets (SDSs): Can you clarify the requirement for a manufacturer's SDSs versus a third party SDSs?

Third party Safety Data Sheets (SDSs): Can you clarify the requirement for a manufacturer's SDSs versus a third party SDSs?
This online resource is a Science ASSIST Connected Learning Experience (CLE) to help teach Year 7 students about the connected nature of ecosystems and the flow of energy through them.
Copper Sulfate Crystals: Is there a way to re-use copper (II) sulfate crystals to make another saturated solution?
Description: In this investigation, the properties of materials are investigated in the context of modelling a bungee jump by an egg.
Autoclaving disposable Petri dishes: How do you use a biohazard bag and can plastic disposable Petri dishes be autoclaved in them?
Description: In this investigation, students explore how push/pull forces can be applied to make an object move, in the context of spinning tops.
This online resource addresses some of the mathematics involved our CLEs.
Kate Dilger, Science ASSIST Teacher Support Officer, explains what a Connected Learning Experience is, outlines its components and describes how to 'unpack' one.
SDS for non-hazardous chemicals: Do my suppliers need to supply me with a SDS for a non hazardous chemical if I ask for it?
Labelling of solutions: This may have been asked before but do diluted solutions of chemicals need to be labeled with the new GHS and if so, do the ones that I have now have to be re-labeled or is