Institutes

Many of the professional institutions have education sections on their websites with free resources. Most of them have a “schools’ affiliate scheme” which schools can join at a minimal cost.

Royal Society of Chemistry 

http://www.rsc.org/Education/index.asp

Institute Of Physics 

http://www.iop.org/activity/education/index.html

Society of Biology

http://www.societyofbiology.org/education

IMechE

http://www.imeche.org/about/keythemes/education/

Insitiute of Materials, Minerals and Mining:

http://www.iom3.org/content/schools-affiliate-scheme

Excellent value and you get a free day of lectures included!

Institute of Engineering and Technology 

http://www.theiet.org/education/

Institute of Mathematics and it’s applications: http://www.ima.org.uk/Education/educationintro.htm