More video resources, the RSC and CLEAPSS
Web watch: Tony Tooth looks at some websites that may be of interest to chemistry teachers
More web videos
This Swiss website has an extensive list of videos of chemical demonstrations, which you will need RealPlayer software to view on your PC. However, each demonstration is also available as a slideshow or photos.
Originally designed to accompany a lecture series at ETH Zurich (a science and technology university), many of the videos could provide useful support for the teaching of GCSE and A-level chemistry. There are ca 200 videos on the site and some might offer ideas for demos that could be done 'live' in front of your class.
My favourites include: Crackling nitrate, in which charcoal is violently oxidised by molten KNO3; and Bengal light, in which sugar is oxidised in the presence of alkali metal salts used to colour the flames. Notes accompany each video to explain the procedure and the chemical basis of the reactions, including balanced equations.
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