The Service Tree lists all services in "branched" groups, starting with the very general and moving to the very specific. Click on the name of any group name to see the sub-groups available within it. Click on a service code to see its details and the providers who offer that service.
Science and Mathematics Clubs/Societies
Programs that provide organized opportunities for individuals to pursue their interest in the science that deals with the material universe beyond the earth's atmosphere, often through the medium of a club or society that is under the leadership of people who are knowledgeable in the subject. Activities may include lectures or other presentations that deal with the sun, planets, stars, galaxies, comets and other celestial bodies; excursions to observatories or planetariums; group observations of eclipses and other celestial phenomena; and other similar opportunities for members to engage in their hobby. Some astronomy clubs/societies arrange for or provide access to telescopes or other related equipment, often in partnership with a local library.
Programs that provide organized opportunities for individuals to pursue their interest in the science that deals with the physical history of the earth, the rocks of which it is composed and the physical changes which the earth has undergone or is undergoing, often through the medium of a club or society that is under the leadership of people who are knowledgeable in the subject. Activities may include lectures, slide shows or other presentations that provide information about different aspects of geology; field trips to sites which illustrate different rock formations or geological processes; and opportunities for people who collect rocks, fossils or seashells to exchange information about their collections and make further acquisitions. Included are Internet-based virtual clubs, WebRings devoted to the subject and clubs where members meet face-to-face.