Video: A safer way to demonstrate the 'rainbow flame' in the classroom
Wednesday, November 11, 2015 - 14:50
in Physics & Chemistry
A chemistry demonstration commonly known as the "rainbow flame" experiment has resulted in a number of serious injuries in classrooms in recent years. The experiment is meant to show how various metal salt solutions can create flames of different colors, but it can be unsafe if teachers use highly flammable solvents like methanol or ethanol in the procedure.