Internet4classrooms -- Helping teachers use the internet effectively
    Links to wonderful resources, particularly.  It is well laid out with clear categorization and descriptions.
    Whole section for K-12 Teachers. including Science and Mathematics

TeachEngineering:  Resources for K-12 teachers
    This includes resources for science and math

EDinfomatics – Education for the information age (listed by subject areas)
            Absolutely incredible education site to explore (or have your students explore/report as projects) giving annotated links to animations, information, databases, lessons, projects in a wide range of listed subjects

PALS (Performance Assessment Links in Science) – an interactive resource bank for science performance assessment tasks indexed via the National Science Education Standards, with standards and specific tasks within grade groups. This is a "must see" site.

Science Spot – host of classroom material, puzzles, lessons, etc. by subject

Flinn Scientific – supplier Web site that offers links by disciplines to activities, teacher resources, and FAQs

Teacher Vision network – Impressive Web site (free registration) with Lesson Planning Center (by subject and grade level, including sciences and math), Classroom Management tips (art of teaching, teaching methods, special needs, behavior management, ….

Pro Teacher – a mega-site for/by teachers
            Science & Technology – links to lessons, classroom themes and bulletin boards, student activities, ….
            Math – links to lessons, graphing exercises, student activities, puzzles ….
            Archive – search engine for ideas submitted by working teachers

Interactive Java Applets (by subject areas in science and mathematics)

MERLOT (Multimedia Educational Resource for Learning and Online Teaching)
            A gold mine for many subjects!

Science Teacher Resources (National Science Teachers Association) – by category
            SciLinks (NSTA) search engine

Resources for Science Teachers – Biology, Chemistry, Physics
            (Spring Valley High School, Columbia, SC)

National Lab Teacher Resources  -- links to useful resources at major national science laboratories (Los Alamos, Oak Ridge, Argonne)

Physical Sciences Information Gateway – low to high level material on the web, with great search engine.  Subjects include (but not limited to):
            Physics             Chemistry                     Materials Science
            Astronomy                   Earth Sciences              History & Policy

Educational Resources (American Physical Society) – list of links from the national organization of professional physicists.

Wright Center for Science Education (Tufts University)

Digital Library for Earth System Education
            Click Educational Resources, then click on Grade Level/Resource Type, …  to select what you wish to obtain before you hit search)

Access Excellence @ the National Health Museum
            For Health and Bioscience Teachers and Learners – but links to many other sciences

Links to resources in many sciences from Access Excellence
            See bottom of web page for "Links to Selected Resources" including those by K-12 teachers

National Institute for Science Education:  Innovations in STEM Education
            Aimed at college level, but nice discussion of collaborative learning

Science and Mathematics Education Resources
            (links on many topics selected by engineering educator Richard Felder, University of North Carolina)

Home page Science Consortium

Home page LEAD Program