Dr. Lewis Dartnell takes a sample from the Atacama desert, to the Open University, to be analysed by a Raman spectrometer.  The spectrometer shows the organic compounds that Lewis found on the quartz, as well as the composition of the quartz itself.

This video is part of a series of ten which look at the one...

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to develop ideas relating to the factors which affect the rate of dissolving and the particle...

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to introduce and explain the phenomenon of dissolving.

Dissolving is recognised by the formation of a clear mixture. Before mixing,...

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to develop understanding of filtration, evaporation and distillation as methods to separate...

In this video from the Teachers TV series Demonstrating Chemistry, Professor Hal Sosabowski demonstrates a solid...