Changes in the national secondary science curriculum in England and Wales are discussed. The new syllabus is described and the problems for science teaching created by this new curriculum are highlighted. (CW)

Described is a simple circuit with which students can observe the effect of common dielectric materials in a capacitor and measure the dielectric constant of a piece of paper. Discussed are the theory, apparatus construction, and experimental procedures for this activity. (CW)

Directions for the construction of this apparatus are presented. Materials and procedures for its use are discussed. The behavior of particles in the apparatus is described. (CW)

Described is a field trip in which eighth grade earth science students map the rock types located on the side of a mountain. Pretrip preparation, equipment, procedures, and posttrip analysis are discussed. (CW)

The use of the Accu-Weather database system in a junior high school classroom is described. Costs, equipment, and information received are discussed. Two software packages designed for use with meteorological data and Accu-Weather are highlighted. Availability information and a description of the services provided are included. (CW)

Suggestions for the design and production of power supplies and meters for use in school physics laboratories and classrooms are provided. Details of these apparatus are given including circuit diagrams. (CW)

Presented are nine physics demonstrations. Topics include mechanics, magnetism, mass, optics, friction, and molecular motion. An illustration and questions are included for each. (CW)

The purpose of "Project Catalyst" is to enhance teacher competencies through academic-year workshops and two content-intensive summer institutes. The goals, eligibility and recruitment, selection criteria, format, and preliminary evaluation for the program are discussed. (CW)

Described are several laboratory investigations that may be used to introduce biochemistry. Topics covered include carbohydrates, lipids, proteins, and metabolism. Reactions, stock solution formulas, and procedures are listed. Emphasized are individualizing work, designing alternative investigations, solving problems, and drawing conclusions. (KR)

Presented is an activity that illustrates the relationship between the soil found in containers and soil in the ground including the amount of air and water found in each. Sponges are used to represent soil. Materials, procedures, and probable results are described. (KR)

Discussed is the philosophy of the educational purpose of science education, the science involved, and the relationships of students and learning and students and content. A list of 14 references is included. (CW)

Presented is a brief review of the historical importance and knowledge of pneumonia which emphasizes the importance of type transformation. The results of a survey of textbook coverage of this topic are given. The significance of type transformations are discussed. (CW)

This article is a report of the evaluation of the second year of the project, ENLIST Micros II. The project is working to develop a model for implementing educational computing in school science. The project goals, staff development, and project activities are described. The participants' checklist, "Microcomputer Use in Science…

Included are demonstrations using the overhead projector to show change in optical rotation with wavelength and aromatic pi cloud availability, and formation of colored charge-transfer complexes. Instructional techniques unique to these topics are discussed. (CW)

Discussed are various types of electrical outlets and safety issues which involve their use. The reduction of shock hazards in the laboratory and at home is highlighted. (CW)