Curriculum Materials Center 

A national education program targeting health, biology and life science teachers that fosters online collaboration, activities, and information retrieval.

Includes lesson plans about animals and pet ownership.

Biology teacher resources and lesson plans.

The Classroom Resources sections has activities and lesson plans. A project of the North American Association for Environmental Education.

The Learners section has science lessons, and the Educators sections has professional development resources.

Links to sites/information on key issues in mathematics, mathematics education, and mathematics resources for K-12+.

A wealth of information about science and technology, with sections for Educators and Students. Includes links to satellite photos, radar images, maps, games, lesson plans and more.

Teacher resources from the National Council of Teachers of Mathematics. Includes lessons and practice problems by topic and grade level.

An annotated list of titles selected by the National Science Teachers Association (NSTA).

Web site from the American Chemical Society. Includes activities, articles, puzzles and games.

Exploration and learning in Biology, Geology, Hydrology, and Geography from the United States Geological Survey.
Includes lessons, data, maps and more for K-12 teachers.

An enhanced periodic table with extensive background information on each element.

An online science magazine which aims to make science accessible and understandable in the context of current events. Some articles have a teacher's activities page.