Describes the repurposing of a Public Broadcasting Service television series, "Newton's Apple," into interactive videodisks for middle school science classrooms. Topics discussed include the goals of the project; components of the videodisks, including video, still photos, print materials, teacher's guide, and software; and feedback and…

Indicators of current issues and concerns in the assessment of science teaching and learning outcomes are discussed. The greatest public attention to science test scores is devoted to scores from assessments that are external to schools, including national assessments such as the National Assessment of Educational Progress (NAEP), international…