Presents an activity for upper elementary students called "Soil Structure and Ground Water." Provides procedures, materials, key concepts, background, and extensions. (YP)

Examines the influence of the use of hands-on materials in elementary school science instruction from a survey of 301 school principals. The rationale for the survey, questions used, and responses are provided. Lists 12 references. (YP)

Discusses the need for a science-technology-society (STS) approach in science classroom and describes the characteristics of exemplary STS programs. Lists five domains for STS goals and indicates assessment instruments for the domains. (YP)

Describes a Skill Development Module fostering students' scientific reasoning skills within a school science laboratory. Summarizes the module activities in combination with computerized and non-computerized activities for a 16-week period. Discusses the classroom evaluation of the module. (YP)

Investigates superintendents' needs in mathematics and science instruction. Used was a Likert-type questionnaire covering teacher quality, teacher supply, minority access, materials and equipment, and curriculum for non-academic students. A follow-up telephone survey examined the types of materials and equipment most needed. (YP)