Describes an exercise developed at the University of Natal (South Africa) in which students visit a plant which manufactures a variety of lead compounds. Outlines the procedures for the laboratory preparation of lead compounds that students prepare with samples they collected at the plant. (TW)

Reports on a study involving open-ended interviews of a sample of international agriculture students at the University of Minnesota. Presents findings about the students' agricultural backgrounds, the agricultural situations in the students' home countries, and the students' assessments of their education in the United States. (TW)

Describes the goals and outcomes of the "We Love Science Day" programs that resulted from the inservice course, "Creative Integration of Science in Elementary Education" for Pennsylvania teachers. Provides samples of the hands-on activities that were offered to students, parents, and teachers. Includes a calendar of…

Describes a set of field trips for participants of the Coastal Environmental Education for Primary Grades program in Georgia. Includes a sample of the activities used by first- and second-grade students. Discusses follow-up activities and the need for more educational programs dealing with sand dunes and saltwater marshes. (TW)

Describes a study which was designed to determine the effect of a 25-hour introductory qualitative analysis course on high school students' understanding of formal concepts related to electrolytes. Suggests that introductory concrete experiences better prepare students to deal with more formal abstract concepts. (TW)

Describes an experiment which uses the Gran plot for analyzing free ions as well as those involved in an equilibrium. Discusses the benefits of using Gran plots in the study of acids, as well as other analytes in solutions. Presents background theory along with a description of the experimental procedures. (TW)

Describes a two-week concentrated laboratory course in chemistry offered by Union College (New York) for middle school students. Provides the objectives of the course and a listing of experiments done by the students. Promotes the use of experiential approaches rather than lengthy lectures and discussions. (TW)

Discusses the use of the Tangent Sphere Model (TSM) in introducing chemical structure to beginning chemistry students at both the secondary school and college levels. Describes various applications of the use of such models, including instruction of the atom's kernel and valence electrons. (TW)

Reports on a study intended to compare the effects of two methods of instruction designed to teach preservice elementary teachers to acquire and retain integrated science process skills. Results indicated that the self-instructional method was significantly more effective than the teacher-directed method. (TW)

Describes three teaching activities used in the Chemistry for Kids program which focus on how esters are chemicals partially responsible for the flavor of foods. Includes a discussion of a demonstration involving role-playing, a set of taste tests, and an activity using chewing gum to investigate odors in food. (TW)

Describes the field work component of a half-term course in environmental chemistry. Discusses the teaching methods used with the students in detecting water pollution. Outlines the activities and experiments in one field trip and presents the results and deductions made by the students. (TW)

Outlines innovations associated with development of a learning environment designed around problem-solving/situation-improving strategies for farming and other agricultural systems at Australia's Hawkesbury Agricultural College. The situation at the school is described; observations and reflections are noted; and conceptualizations and actions for…

Suggests integrating creative writing activities into field trips or outdoor education experiences in science as a method of providing "right-brain" and "left-brain" activities in the same exercise. Provides instructions given to students and a poem written from student "photographs" using imaginary cameras. Also provides two student poems. (JM)

Tacit knowledge, the knowledge that workers possess but do not articulate, is associated with terms such as "skill,""know-how,""working knowledge," and "expertise" that are used to describe knowledge about and ability to perform work. Learning that takes place through apprenticeships draws heavily on tacit…

Work-based learning (WBL) includes a range of activities that extend beyond traditional cooperative education, such as job shadowing, service learning, internships, and apprenticeships--all of which provide career and technical education (CTE) students with valuable experience in the world of work. Several issues are involved in developing…