Here are some useful quick links dedicated to education enchancement and materials:

General Science:

FOSS - Full Option Science System. "FOSS is a research-based science program for grades K–8 developed at LHS with support from the National Science Foundation and published by Delta Education."

MadSci.org - "MadSci Network represents a collective cranium of scientists providing answers to your questions. For good measure we provide a variety of oddities and other ends as well."

Terrific Science - "Fun science resources for teachers, parents, and kids."

Biology:

NCSE - National Center for Science Education. "The National Center for Science Education (NCSE) is a not-for-profit, membership organization providing information and resources for schools, parents and concerned citizens working to keep evolution in public school science education."

Evolution - A great educational site by PBS. They have great content and materials devoted to teaching evolution.

The Shape of Life - Another web site hosted by PBS. Discusses the biology of life throughout the animal kingdom.

Teaching about Evolution and the Nature of Science - Site hosted by the National Academies Press to help teachers to teach concepts about the nautre of science and evolution.

Evolution Resources - Another site hosted by the National Acedemies to help convey the concepts of Evolution.

Ecology.com - A great general site to access information about ecology.

Ecology WWW page - Another source of information for students and teachers about ecological subjects.

Chemistry:

ACS - The American Chemical Society.

ChemED - Chemistry Education resources.

Chemistry Education - Onnline resources for teaaching chemistry.

BioChemHub - Online Biology and Chemistry Education Center

Cosmology:

Astronomy Now Online - A great general place to read and discover about astronomy. Full of video and image links.

The Astronomy Net - Provides information about tools, books, or anything you need to learn more about astronomy.

NASA - Can'y talk about space without mentioning NASA!