Calcium Carbide: My teachers are wondering whether there are any restrictions on us storing and using Calcium carbide for pracs here at school?
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,
Employment: Are there any standards or recommendations regarding the number of hours a lab technician should be employed?
Safe concentration of HCl for Year 8 students to use?: A year 8 textbook has an activity which includes an example for a colour change (blue litmus paper with HCl added to it).
- Year 8 > Science Understanding > Chemical Sciences > Chemical change involves substances reacting to form new substances > ACSSU225
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.
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.
This downloadable ASSIST Information Sheet (AIS) outlines the design features of portable Bunsen burners and explores the safety issues that schools should consider (in conjunction with a detailed