Details the use of online homework assignments designed to more actively engage students in a general education geoscience course. Concludes that students come to class better prepared and that both groups benefit from a problem-based learning approach. (Contains 17 references.) (DDR)

Explains how basic mapping skills are taught in a large lab space using various arrangements of books to portray structural information. Reports an increase in student confidence and ability to synthesize data during field work. (DDR)

Examines the results of The Draw-A-Scientist Test given to Hong Kong Chinese students (n=675) to explore their images of scientists. Focuses on differences across grade levels and between male and female students. (DDR)

Explores whether exposure to increasingly sophisticated mental models at different points in a chemistry education class showed up in patterns of preference and use of models in interpreting physical properties and phenomena. (Contains 92 references.) (DDR)

This qualitative evaluation study explored the active classroom practices that early years teachers adopt when they introduce kindergartners to science in Greece. Findings indicated a considerable gap between the proposed and implemented curriculum. Findings also identified a number of factors that were not optimal and confirmed that early years…

Describes a course developed for undergraduate students that includes an environmental science lecture and laboratory section. Focuses on the laboratory section as the critical component with activities that are real-world related, hands-on, problem solving-based, and use cooperative learning approaches. (Contains 12 references.) (Author/YDS)

Provides details of an activity in which students in grades 5-12 study businesses in their community to discover what efforts are being made to reduce pollution. Integrates science and social studies content. (DDR)

Reports results from a close study of five classes that are learning National Curriculum science with the help of special materials. Contains excerpts from interviews and test scores that illustrate some of the problems students have in understanding the nature of experiment and theory. (DDR)

Outlines a strategy for the teaching of equilibrium in a poolside atmosphere. Illustrates the practical application of knowledge about equilibrium as demonstrated by pool staff as they satisfy the needs of both the swimmers and local health inspectors. (DDR)

Provides descriptions of a range of resources and methods that can be used to produce metals such as titanium, vanadium, chromium, manganese, iron, and molybdenum. Details on equipment and safety precautions are also outlined. (DDR)

Explains a series of experiments that enable students to discover the internal and external structure of the vanilla pod, isolate the chemical constituents of the pod, identify vanillin in the pod extract, and compare extracts across varieties of vanilla. (DDR)

Attempts to document and characterize the state of U.S. mathematics and science curricula, textbooks, and teaching practices and place them in a cross-national context. Discusses unfocused curricula and textbooks, how teachers deal with the splintered vision, teacher effectiveness, expectations from students, the impact of reform, and…

Presents the idea that several points should be considered in animal dissection: (1) ethics; (2) the animal's position; (3) the law; and (4) the actual benefits to society. Recommends that students be carefully prepared for animal dissection. Contains 21 references. (DDR)

Discusses the use of Windows on Science, a laser disc-based video program used by elementary schools for science curriculum. Results of a teacher survey (which is appended) indicate that teachers felt the program was ineffective used as the sole curriculum but was a useful supplement to discovery-based, hands-on activities. Teacher training is…

Provides outdoor homework assignments that are hands-on learning activities covering all academic areas and requiring very little material or expertise. Activities can be adapted for grades 1-6 and should be evaluated on the basis of effort, creativity, presentation, and the amount of information gathered. Contains 16 references. (DDR)