| Sciencefinder | | A wealth of information for teachers and students of science, especially but not exclusively for British high schools. |
| ScienceIQ.com | | A science fact sent by email each workday. Large online archive. Free trial subscription. |
| ScienceMaster | | Links to specific scientific disciplines. Offers features, columnists articles, homework helper, science topics for discussion, books and software links, downloads, and email. |
| Sciencetechnician.com | | The site for science technicians in schools, colleges and universities. Home of the SCITECH-L Discussion List, and Scitech Forums. |
| Sciensational.com | | Fun to read science facts and trivia presented in a very pleasant manner! |
| SCORE Science | | In addition to the Teacher's Place resources for teachers,the Kid's Corner has HOT links to science activities, and Ask A Scientist provides additional science resources for students. |
| SwRI's Lighter Side | | Engineers and scientists are available to answer questions. The site also features an archive of past enquiries. |
| 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. |
| Teachers Experiencing Antarctica and the Arctic | | Program that sponsors research experiences in the polar regions for U.S. elementary and secondary school teachers. Includes program information, journals and other reports from current and past participants, and related classroom activities. |
| 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. |
| The Bubblesphere | | All about soap bubbles. Bubble blowing, solutions, history, fun, Java games, bubble machines and trivia. |
| The ENC Digital Dozen | | Each month the Eisenhower National Clearinghouse selects a dozen useful math and science sites for teachers and students. Includes archives. |
| The Gender & Science Digital Library (GSDL) | | Aims to provide digital resources to help educators promote interest and engagement with STEM (science, technology, engineering and mathematics) topics. For learners of all ages, particularly females. |
| The GLOBE Program | | A worldwide hands-on, primary and secondary school-based education and science program. |
| The Great Web of Science | | Providing links for science, astronomy, biology, chemistry, electronics, medicine, meteorology, oceanography,physics and space. |
| The Science Campus | | A resource for science and technology courses. Online theory items, feedback forum. |
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