Sulfuric acid - going brown: Would you please tell me why concentrated sulfuric acid goes brown?
Recommended Chemicals for secondary Schools: I have to order new chemicals for our school in QLD, but the following chemicals are not in the list "List_of_recommended_chemicals-18March-2016.
Mitosis in onion root tip: Are there alternative stains for mitosis in root tips please? It needs to be inexpensive (I've been quoted $150 for 5 gm orcein, including postage), not too hazardous,
Balloons: I haven't heard of any issues but we have a parent who is concerned with regards to balloons and latex and the powder residue in them.
Storage of offal: Is it acceptable to store offal, such as plucks, hearts, kidneys, etc., in a freezer for long periods (months) for future use?
Safety issues are a significant consideration in the teaching of microbiology as the subject is practical-based and there is potential for exposure to infectious organisms.
The Chemical Management Handbook was developed by Science ASSIST in recognition of a need for guidance on the safe handling, storage and waste disposal of chemicals in schools.
This downloadable ASSIST Information sheet outlines the suggested and alternative sterilisation techniques for the in-house preparation of sterile equipment used in microbiology.
This downloadable ASSIST information sheet (AIS) outlines the procedures suitable for the decontamination of Risk Group 1 microbes used in a Physical Containment level 1 laboratory.
Standard Operating Procedure (SOP) and detailed method including images on how to prepare animal and plant cell slides
- Year 8 > Science Understanding > Biological Sciences > Cells are the basic units of living things and have specialised structures and... > ACSSU149
- Year Senior Secondary > Science Understanding > Biological Sciences