Goodman Research Group, Inc. (GRG) conducted a summative evaluation of the 2007 Cambridge Science Festival. The festival was the first of its kind in the United States and was held for nine days, offering a wide range of science- and technology-related activities throughout Cambridge, Massachusetts. Patterned after science festivals in Europe, it was a public celebration that sought to make science accessible, interactive and FUN, and highlight the excitement of discovery and the impact of science in all our lives. Families and school-aged youth in the community were target audiences for the