Provides background information on how scientists have learned about the history of the Earth, including studying fossils, dating rocks, and tracing geological movements. Included are teaching activities about prehistoric animals, state fossils, tracing animal movement and evolution, and discovering fossils. Contains reproducible handouts and…

Provides background information on the many natural resources we extract from the earth's crust, including metals, graphite, and other minerals, as well as fossil fuels. Contains teaching activities such as a geologic scavenger hunt, a geology chronology, and the recycling of aluminum. Includes a reproducible handout for the activity on aluminum.…

Provides a partially annotated bibliography pertaining to the teaching of geology at the elementary school level. Included are general reference books, field guides, children's books, audio-visual materials, booklets, kits, maps, posters, computer courseware, and an index of geology-related articles appearing in past issues of "Ranger Rick"…

Suggests how simple hikes can be integrated into the elementary school curriculum. Presents nine topic areas that can serve as themes for schoolyard hikes. (ML)

Describes a six-week program designed to give scientists from developing countries advanced training in biotechnology methods. Stresses the need to provide the participants with "hands-on" experiences to enhance their ability to contribute to biotechnology programs in their home countries and to train others locally. (TW)

Explains the convergent and discriminant validity of two tests of science process skills with two tests of formal reasoning ability. Reports test results from elementary education majors and discusses the tests' intercorrelations. Implications related to instruction are analyzed. (ML)

Reviews the initiatives taken by six states in promoting precollege Science, Technology, Society (STS) education. Discusses the exemplary efforts undertaken in Florida, Maryland, Michigan, New York, Washington, and Wisconsin. (ML)

Indicates the inadequacies and limitations of traditionally written elementary science textbooks. Offers suggestions and provides examples for teaching more accurately and experientially the nature and process of science. Identifies several sources for enrichment of the textbook. (ML)

Differentiates between the cultural environments of graduating engineering students in Nigeria and North America. Describes the existing curriculum of a bachelor of engineering student in Nigeria. Introduces a proposed curriculum for engineering education in Nigeria which would include a fifth year internship program. (TW)

Questions the use of the Reactivity Selectivity Principle (RSP) by teachers and authors of texts in discussing organic reaction mechanisms. Provides some applications and failures of the use of the RSP, reviews some quantitative aspects of the RSP, and discusses some of the rationalization of the RSP failures. (TW)

Discusses the classification of binary oxides as acidic, basic, or amphoteric. Demonstrates how a numerical scale for acidity/basicity of binary oxides can be constructed using thermochemical data for oxoacid salts. Presents the calculations derived from the data that provide the numeric scale values. (TW)

Differentiates between problems, exercises and algorithms. Discusses the role of algorithms in solving problems and exercises in chemistry. Suggests that very real differences exist between solving problems and exercises, and that problem solving steps can be and should be taught in chemistry education. (TW)

Describes a spreadsheet computer program which can be used with an Apple Macintosh computer to perform a multitude of calculations. Discusses two types of calculations taught in general chemistry. Demonstrates how to use the spreadsheet to calculate mass percent and the formula of a compound. (TW)

Suggests a way to change the role of physics teacher. Discusses the teacher as a coach, reducing anxiety, team cooperation, and a grading system including "forgiving learning" which recognizes student's progress. (YP)

Presents examples to show the ubiquitous nature of geometry. Illustrates the relationship between the perimeter and area of two-dimensional objects and between the area and volume of three-dimensional objects. Provides examples of distribution systems, optimum shapes, structural strength, biological heat engines, man's size, and reflection and…