This worksheet looks at electrolysis, its use in the extraction of sodium and aluminum and in the purification of copper. Having completed it, students are then asked to set up a simple electrolytic cell to obtain pure copper and calculate and measure the amount of product deposited at an electrode during...

This resource looks at how cutting edge science is being used to answer archaeological questions, as well as solving present day problems, such as the identification of meat in processed foods. Analysis of mitochondrial DNA was performed, at the University of York, on samples from skeletal remains unearthed by the...

This resource, provided by the Association for Science Education (ASE), is a pick and mix collection of activities enabling students to create their own stunning scents from scratch. Besides a collection of experiments for making and testing fragrances, there is extension material on applying the particle model to...