Questions present methods of science instruction in secondary schools. Offers suggestions to increase learning efficiency by substitution of alternate instructional procedures. The Exploratorium in San Francisco is identified as one alternative. (CP)

Describes self-paced freshmen courses in electronics using study guides with questions answerable entirely from laboratory measurements. Discusses the problem of supplying students with needed results of evaluation quickly. No statistics are included. (GH)

Describes individualized television instruction involving active student participation, where experiments on air breathing in fish and shoot growth were videotaped. Students collected data directly from the television screen. Student accuracy was found to be excellent; reactions to the medium were found to be apathetic. Reasons for apathy are…