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)

Four applications of microcomputers in the chemical laboratory are presented. Included are "Mass Spectrometer Interface with an Apple II Computer,""Interfacing the Spectronic 20 to a Computer,""A pH-Monitoring and Control System for Teaching Laboratories," and "A Computer-Aided Optical Melting Point Device." Software, instrumentation, and uses are…

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)

Described is a laboratory interface system including hardware, software, and student activities. Student use of this system is reviewed stressing experimental design skills and student-designed experiments. (CW)

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)

Describes a program developed in Chino Valley (Arizona) schools that integrates computer technology into the curriculum to support heterogeneous grouping of students while providing special assistance for at-risk students. Highlights include the instructional management system, the role of teachers and support staff, and the role of the computer…

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)

Describes results of a survey that was conducted to determine qualifications and roles of computer lab specialists in elementary schools. Integration of computer lab use and classroom instruction is discussed, the effect of microcomputers on student outcomes is examined, and the answers of the specialists are compared with those of classroom…

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)

This article focuses on the nature of acidity in pulp paper as found in comic books and library collections. Some of the various factors that contribute to the deterioration of paper are considered from a chemical perspective. (CW)

The construction of a model that is useful for teaching stereochemistry from a sealed empty envelope is described. Detailed steps with accompanying diagrams are given. (CW)

The construction of a model that is useful for teaching stereochemistry from two sealed empty envelopes is described. Detailed steps with accompanying diagrams are given. (CW)

Describes the computer-assisted composition laboratory at Methodist College (North Carolina) and explains software developed for freshman composition that combines skills for writing essays, word processing, and a spell-checker. Faculty and student attitudes are reported, and suggestions for future freshman composition courses are given. (LRW)

Provides a two hour experiment using direct gravimetric methods to determine solubility constants. Provides methodology and sample results. Discusses the effect of the common ion on the solubility constant. (MVL)