There is now a lot more information on the Science Framework web site. Follow the link below and navigate to the framwork guidance section (look to left hand menu). The sections on amplification and barriers to learning seem, to me, to be really useful when planning new courses.
http://www.standards.dcsf.gov.uk/secondary/framework/science
Another recent addition to the web support for science is the self study unit on Interactive teaching in science. This has some useful exemplars and suggests how to teach a number of topics in science.
http://www.nationalstrategiescpd.org.uk/course/view.php?id=163
This final link has the materials for the L6+ project available on-line.
http://www.nationalstrategiescpd.org.uk/course/view.php?id=162