Flame testing: What would be considered safer for Year 8 students attempting flame testing of chemicals?

Flame testing: What would be considered safer for Year 8 students attempting flame testing of chemicals?
Wildlife Camera in School: We are considering using a wildlife camera that senses movement and then records a few minutes of video footage.
Safe storage of chemicals: I would just like to ask what chemicals can be stored safely together.
In a chemical storeroom, as in which classes can be put together. Thank you.
Storage and disposal of deliquescent chemicals - Zinc Nitrate: Hi, My bottle of zinc nitrate has liquid in it and the bottle has expanded. It does not look right.
Calcium oxide disposal: Hi. Can anyone tell me how to dispose of some very old calcium oxide. The container is all swollen and the date on the bottle is Dec 1988.
Litmus Paper: The Litmus paper in our lab is many years old, but has been kept dry in a dark drawer.
Disposal of old equipment: We have cupboards full of old school science laboratory equipment including: balances, models, etc. Most of the equipment hasn't been touched in over 10 years.
Bunsen Burners: What are the gas tubing and other connection specifications, including ma
Storage of nitrates: Hi, I'm upgrading the storage of my chemicals. Is it okay to store nitrates in clear glass bottles?
This online resource looks at human involvement in the Greenhouse Effect.