Magic beakers - chemistry colour change demonstration

When first taught to distinguish between a chemical and a physical change, students are often asked to watch out for changes that may suggest the creation of new materials. Examples include a change in temperature, formation of a precipitate, effervescence or a change in colour.
For the latter, chemists often turn to a ‘coloured beakers’ demonstration in which a series of liquids are poured one into the other to reveal a succession of impressive colour changes. The most commonly used is the ‘water into wine’ demonstration but adventurous teachers can extend this by adding a few more carefully chosen ingredients
Read the article that accompanies this video in the March 2015 issue of Education in Chemistry at rsc.li/EiC215ec
This is part of the Education in Chemistry Exhibition Chemistry series: chemistry demonstrations to capture your students' imaginations: rsc.li/EiCExChem