I have just received the following information which you might find useful. Why not sign up and have a look. No catches and there's even some free software!!
Stemit’s new website can provide science teachers with a well-resourced, diverse and relevant bank of Science materials. Resources are being added to daily. We are also offering Free Autodesk Software for teachers and students.
Devised by teachers, for teachers this exciting new site is FREE to access and can save science teachers precious time and energy, so with nothing to lose, why don’t you click on to www.stemit.org.uk
to see for yourself.