National Science Teachers Association (NSTA) founded in 1944 and headquartered in Arlington, Virginia, is the largest organization in the world committed to promoting excellence and innovation in science teaching and learning for all.
NESTA (National Earth Science Teachers Association) is a nonprofit educational organization, founded in 1983, whose mission is to facilitate and advance excellence in Earth and Space Science education.
AGI (American Geological Institute): AGI sponsors National Earth Science Week (Celebrate Earth Science Week October 11-17, 2009 with the theme Understanding Climate. )
American Institute of Physics - dedicated to the advancement of the knowledge of
physics and its application to human welfare.
American Chemical Society is a congressionally chartered independent membership organization which represents professionals at all degree levels and in all fields of chemistry and sciences that involve chemistry.
Science Teachers Association of New York State (STANYS)
http://www.marottafamily.net - field trip locations, museums, & paleontology information
The American Association for the Advancement of Science, "Triple A-S" (AAAS), is an international non-profit organization dedicated to advancing science around the world by serving as an educator, leader, spokesperson and professional association.