Chemicals (cold pack practical): I would like use the following chemicals for a cold pack prac: ammonium chloride, ammonium nitrate, magnesium sulfate and sodium thiosulfate.

Chemicals (cold pack practical): I would like use the following chemicals for a cold pack prac: ammonium chloride, ammonium nitrate, magnesium sulfate and sodium thiosulfate.
This downloadable resource helps teach younger students about the physical world.
Use of iron III nitrate and zinc nitrate: Is it still okay to use iron III nitrate and zinc nitrate, as they are not listed on the Recommended List of Chemicals for Schools.
This CLE covers the topic of genetic inheritance.
We intend teaching a unit on mini creatures at Year 1 level. The school has some magnifiers for viewing. The microscopes are not really friendly for younger students.
This online resource supports Year 1 students learning about schoolyard creatures.
This downloadable document gives the Standard Operating Procedure (SOP) and detailed method for the handling, storage and transportation of compressed gas cylinders in school science areas.
This Connected Learning Experience looks at chemical reaction rates.
Storage of copper powder: Could you please advice me how and where to keep this copper powder (Chem Supply) as in the SDS it has been marked as a DG 4.1 PGII?
We have received a few questions on this t