This four-hour experiment uses a bee as a source of the enzyme which is reacted with a radioactive substrate to determine the specific activity of the enzyme. Uses thin layer chromatography, visible spectrophotometry, and liquid scintillation spectrometry (if not available a Geiger-Muller counter can be substituted). (MVL)

Describes a mouse skeleton reconstruction activity from owl pellets. Gives information about the materials, directions for students, and a five-day unit schedule. Provides some owl pellet sources. (YP)

Provides explanations of 15 experiments, laboratory activities, demonstrations, and lessons for use in instruction. Includes information on Daphnia, wild garlic, crystals, gas chromatographs, bleaches, alcohols, reactivity series, chemistry formula, electronic keyboards and waveforms, interference and diffraction gravity, Moire fringe patterns,…

Describes a laboratory experiment using AMPAC (a computer program) in conjunction with infrared spectroscopy. The experimental procedure and a list of questions for discussion are provided. Typical data are presented. (YP)

Discussed are the results of a teacher training workshop on problem solving and classroom demonstrations. The materials and topics used in the workshop are listed. Suggestions for using problem solving and classroom demonstrations are provided. (CW)

Discussed are the background, objectives, statement of need, target population, program activity, budget, staffing, funding, problems, and evaluation of the project. Suggestions for the initiation of analogous programs are provided. (CW)

Presented are 12 biology experiments suitable for use in intermediate grade classrooms. Topics include plants, protists, fungi, animals, and osmosis. Provided are objectives, lists of materials, procedures, results, and explanations of the results. (CW)

Presented are the highlights and an analysis of The Neal Report on undergraduate science education. Included are an overview of the report and discussions and recommendations on laboratories; curriculum; industry/academic coupling; centers for instructional research and development; faculty exchange; teaching internships; and undergraduate women,…

The fundamental principles of the superconducting super collider are presented. Arguments for the construction of this apparatus and policy issues surrounding its construction are discussed. Charts of the fundamental atomic particles and forces and the history of particle accelerators are provided. An activity for discussing this controversial…

Examines the effect of solar radiation on colored shingles. Describes the experimental procedure, results, and discussion. Presents a picture of the experimental arrangement and three graphs of data measured at different dates. (YP)

Presents nine hands-on discovery and inquiry type activities which penetrate the student's immediate world, integrate other curricular areas, involve group cooperation, excite, motivate, and encourage creative thinking. (RT)

Describes activities which demonstrate the abundance of organisms living underground. Provides outlined directions, lists of materials, and a soil ecosystem transparency for delving into the properties of soil. (RT)

Discusses the advantages of using discrepant events in elementary school science classrooms in terms of motivation and problem solving skills. Describes the materials, procedures, and reasons behind five discrepant activities. (YP)

Presents teacher comments on audiovisual materials dealing with: biotechnology applications in immunology, agriculture, and cancer research; efforts to halt the eutrophication of Lake Tahoe; and banana slugs. Availability and costs of materials are included. (RT)

Examined are some of the distinctive features of the biological sciences. Discussed are the use of models with case studies, universal principles, and alternative frameworks. (CW)