Periodic Table of Videos

Thanks to IB Chemistry online mentor Maria Muniz Valcarcel for bringing to my attention this gem of a site where Nottingham University have put together an excellent resource of short Youtube video clips on each chemical element. They have also thought about the possibility of YouTube video being blocked in many schools - to aid this they have set up a mirror site here which will hopefully allow your school to use this as a resource for your students.
I think that the winner as far as student use is concerned is the interface itself allowing them to visualise where they are in the table and then have the rich full media experience.
Here is the introduction to the series :

You can also subscribe to their Youtube feed here http://www.youtube.com/periodicvideos