Calcium Metal: Can you please tell me how I can safely dispose of a very small amount of Calcium metal, which has not been used for a long time.

Calcium Metal: Can you please tell me how I can safely dispose of a very small amount of Calcium metal, which has not been used for a long time.
Lightning in a test tube: I have a teacher who is planning on performing the 'lightning in a test tube' demonstration in the school lecture theatre.
This downloadable worksheet is an environment-related data analysis activity.
The worksheet uses data for turtle hatching rates gathered by teachers visiting Malaysia in 2014.
Portable Bunsen burners: In August 2013, a Qld Dept Education Health and Safety Consultant advised us that the Australian Gas Association (AGA) and Qld Petroleum and Gas Inspectorate have decided t
Ammonium nitrate: Hi, Has anyone else had any trouble with ammonium nitrate absorbing water? Mine has become a clear mixture of liquid and crystals.
Disposal of empty helium cylinders: From browsing Google, there seems to be a lot of confusion on how to dispose of empty helium gas cylinders.
Science drug lab equipment: Apparently school laboratories need a list, by item and quantity, of anything that could be targeted by a 'drug lab' break in.
This online resource examines the bleaching of coral due to climate change.
Laboratory doors security: Is it a requirement that science room doors be locked when n
Licence to purchase chemicals: Hi - I've had a few Year 11 students (Occ Health & Safety topic) ask about licences for chemicals held in schools, specifically the Science Dept.