The goal of this resource notebook is to provide activities selected by astronomers and classroom teachers, comprehensive resource lists and bibliographies, background material on astronomical topics, and teaching ideas from experienced astronomy educators. The activities are grouped into several major areas of study in astronomy: lunar phases and eclipses, the Sun and the seasons, the planets, the scale of the solar system, comets and meteors, star-finding and constellations, stars, galaxies and the universe, space exploration and the Search for Extra-Terrestrial Intelligence (SETI), tools of the astronomer, debunking pseudoscience, and astronomy in different cultures. An extensive glossary and a section that provides interdisciplinary teaching ideas are included. (DDR)