Annenberg Learner - Browse teacher resources by grade level. Select interactives by grade levels, disciplines, audiences, and required software. See Professional Development opportunities. Comprehensive site.
ASK - Part of a professional development project funded by the National Science Foundation. The aim of the project is to study the effect of "adapting science for kids" (ASK) to teach and reinforce student skills in reading, writing, and other areas of the curriculum while learning science through hands-on inquiry. Teachers nationally and internationally can share teacher lesson adaptations and video recordings of ASK lessons and discuss their ideas about local, state, or national standards. Requires free registration to access lessons.
SAS Curriculum Pathways - Interactive, standards-based resources in the core disciplines. Professional Development.
ScienceNetlinks - A part of Thinkfinity, this AAAS megawebsite offers teaching tools, interactives, podcasts, and hands-on activities, that can be selected according to grade level, theme, and content. Don't miss the news and afterschool sections. This is a must see quality site, a portal to several thousand gems.
Thirteen ed online - Contains three searchable databases of at least 300 original tried-and-true lessons that work in the classroom. Developed by Thirteen/WNET master teachers. Each month new lesson plans are added.
Virginia Commonwealth University Center for Integrated Life Sciences Education - Stream or download 50 of the best videos (8 to 10 minutes each) from the public television series, "Secrets of the Sequence." Each video has an accompanying classroom-tested lesson plan that encourages students (grades 8 to 12 and beyond) to further explore the topic. Printout the one-page overview that gives a birds-eye-view of the dozen major life science areas, the video titles that relate to each, and other life science emphases. A significant project funded by the Pfizer Foundation and the National Academy of Sciences. A must see site if you have any interest in cutting edge biological research and important basics in the life sciences.