URLs listed in this category:
Physics and Astronomy Classification Scheme (PACS)
Hierarchical numbering scheme, developed by the American Institute of Physics, used to identify fields and sub-fields of physics.
http://publish.aps.org/PACS/
Physics News Graphics
Diagrams (with captions) appearing in various AIP publications, sorted by category or by date.
http://aip.org/mgr/png/
The Physical World
Answers to simple physics questions, from New Scientist.
http://www.newscientist.com/lastword.ns
Easyphysics
Raise achievement in physics gcse exams.Online revision website for gcse science and additional science. Awarding body specific.
http://www.easyphysics.co.uk/