Association for Science Education www.ase.org.ukindex.html "Teachers helping teachers to teach science", it says - and it's true!
Science Museum www.nmsi.ac.uk Extends the 'hands-on' approach of the famous London museum into a range of deeply involving online activities and projects
Physics 2000 www.colorado.eduphysics2000index.html Well-stocked site designed to make physics more accessible to students of all ages
NASA www.nasa.govindex.html A treasure-chest of multimedia resources from the US space administration
Using ICT in science www.vtc.ngfl.gov.ukresourcecitsscience Archived practical advice in this useful section of the Government's Virtual Teacher Centre