Describes an experiment that involves the preparation of a chromium (III)-EDTA compound, a study of its infrared spectrum, and the potentiometric determination of two successive acid dissociation constants. (Author/GS)

Contains a checklist of 36 non-operationally stated items and an evaluation of each by a faculty group of 30. Reports the need for non-cookbook experience, an emphasis on knowledge of specific instruments, and the essential function of laboratory as a teacher of the theory and process of experimentation. (GH)

Describes the materials and laboratory techniques for the study of food chains and food webs, pyramids of numbers and biomass, energy pyramids, and oxygen gradients. Presents a procedure for investigating the effects of various pollutants on an entire ecosystem. (GS)

This study was designed to investigate and analyze specific instructor and student behaviors in introductory and advanced laboratories of five science disciplines (botany, chemistry, geology, physics, and zoology) at a major midwestern university. The instructor sample involved teaching assistants from various science departments. The student…

SURVEYS WERE CONDUCTED TO DETERMINE THE AVAILABILITY OF HIGH SCHOOL SCIENCE FACILITIES AND EQUIPMENT IN SEVEN STATES. THIS WAS ACCOMPLISHED THROUGH PERSONAL INSPECTIONS BY A PROJECT COMMITTEE, USING CHECKLISTS OF APPROXIMATELY 850 SCHOOLS SELECTED AT RANDOM. AN ANALYSIS OF THE DATA WAS THEN MADE, AND SOME GENERAL IMPLICATIONS WERE SUGGESTED.…

THE PURPOSE OF THE LABORATORIES IS TO DEVELOP FOUR BASIC SKILLS IN FOREIGN LANGUAGE STUDY--AURAL UNDERSTANDING, SPEAKING, READING, WRITING, AND TO SUPPORT AN UNDERSTANDING AND APPRECIATION OF THE CULTURE OF THE COUNTRY STUDIED. THE LABORATORY PROVIDES INDIVIDUAL SEMI-SOUNDPROOF BOOTHS EQUIPPED WITH HEADPHONES, MICROPHONES AND TAPE RECORDING…

A 4-YEAR PROGRAM OF COOPERATIVE ACTIVITY IN FOREIGN LANGUAGE INSTRUCTION WAS UNDERTAKEN BY 10 MIDWEST COLLEGES. THE BASIC OBJECTIVE OF THE PROGRAM WAS TO IMPROVE TEACHING AND CURRICULAR PRACTICES FOR FOREIGN LANGUAGE MAJORS AND FOREIGN LANGUAGE TEACHING MAJORS. UNDER THE DIRECTION OF A FULL-TIME COORDINATOR, AN OFFICE FOR THE PROGRAM WAS…

This reference guide is designed to organize and suggest acceptable practices and procedures for dealing with safety in the area of biology instruction. It is intended as a reference for teachers, administrators, and other school staff in planning for science activities and in making daily safety decisions. Discussions deal with responsibility for…

This reference guide is intended to organize and suggest acceptable practices and procedures for dealing with safety in the area of chemistry instruction. It is intended as a resource for teachers, administrators and other school staff both in planning for science activities and in making daily decisions concerning safety. Sections include…

THIS BOOK WAS WRITTEN TO FUNCTION AS A STUDENT LABORATORY MANUAL OR AS TEACHER RESOURCE MATERIAL FOR DEVELOPING A LABORATORY-CENTERED COURSE IN PRACTICAL BIOLOGY FOR STUDENTS IN THE 13-16 AGE GROUP. IT WAS DESIGNED TO SUPPLY A COMPREHENSIVE SET OF EXPERIMENTS WHICH, WHEN CARRIED OUT IN CONJUNCTION WITH NORMAL THEORETICAL AND ANATOMICAL STUDIES,…

This project consisted of the design, trial use, and evaluation of instructional procedures designed to reduce the amount of routine information given directly to the students by the instructor in chemistry laboratory courses for college freshmen. Printed materials gave the student a decision-making role in planning his laboratory work. Tape-slide…

Eight conference papers on miscellaneous campus safety topics are included in this conference report: "The Safe Use of Mutigens and Carcinogens in the Laboratory" by Leo K. Bustad; "Planning for Laboratory Animal Care" by Sigmund Rich; "Testing Breathing Apparatus" by Henry McDermott; "Earthquake Damage…

Seven experiments and 40 activities are presented in this handbook. The experiments are related to Young's experiment, electric forces, forces on currents, electron-beam tubes, and wave modulation and communication. The activities are primarily concerned with aspects of scattered and polarized light, colors, image formation, lenses, cameras,…

Five experiments and 19 activities are presented in this Unit 5 handbook. The experiments are related to electrolysis, charge-to-mass ratio, elementary charge determination, photoelectric effects, and spectroscopic analyses. The activities are concerned with Dalton's theory, water electrolysis, periodic tables, single-electron plating, cloud…

Five experiments and nine activities are presented in this Unit 6 handbook. The experiments are related to random events, ranges of alpha and beta particles, half-lives, and radioactive tracers. The activities are concerned with the energy measurement in beta radiation, demonstration with sugar cubes, ionization by radioactivity, magnetic…