Sciencefinder
A wealth of information for teachers and students of science, especially but not exclusively for British high schools.
www.sciencefinder.co.uk Details

Sciencetechnician.com
The site for science technicians in schools, colleges and universities. Home of the SCITECH-L Discussion List, and Scitech Forums.
www.sciencetechnician.com Details

Sciensational.com
Fun to read science facts and trivia presented in a very pleasant manner!
www.sciensational.com Details

Sheppard's Science Resources
Over 800 links organized alphabetically in over 40 categories.
www.can-do.com Details

Solution Archive Solutions of College Level Science Problems
Worked out answers to science problems, including advanced mathematics, physics, dynamics, computer science and chemistry.
www.solutionarchive.org Details

Sonoma State University Educational Resources
A combination of lesson plan sites and resource links for physics, astronomy, and related fields.
www.phys-astro.sonoma.edu Details

SwRI's Lighter Side
Engineers and scientists are available to answer questions. The site also features an archive of past enquiries.
www.swri.org Details

Synergy Learning, Inc.
Specializes in math, science and design technology for K-8 students. Encourages life-long learning in teachers, and educational techniques through on-site workshops, short courses. magazines, and supply list recommendations, using everyday concepts.
synergylearning.org Details

TeachOne
Has links for science teachers, biology teachers in particular, as well as general education links. Includes useful sites for lesson planning and searching the internet.
teachone.tripod.com Details