Evaluates and compares common eyewash stations currently being used in laboratories. Discusses types available, installation, water supply needs, and maintenance. Lists current OSHA eyewash station standards. (ML)

Describes a simple laboratory procedure for changing sodium carbonate into sodium chloride by adding concentrated HCl to cause the reaction and then evaporating the water. Claims a good stoichiometric yield can be obtained in one three-hour lab period. Suggests using fume hood for the reaction. (ML)

Recommends using iodide ions and peroxodisulfate ions for studying rate laws instead of the standard iodine clock for kinetic study. Presents the methodology and a discussion of the kinetics involved for a laboratory experiment for a high school or introductory college course. (ML)

Describes a biophysical chemistry experiment that introduces students to globular protein conformation and microcomputer analysis of initial rate data for the unfolding of proteins. Presents background, materials needed and methodology. Uses a visible spectrometer for analysis. Lists educational benefits derived from the experiment. (ML)

From an analysis of 14 secondary student's actions and thought processes, it was found that technology's level of information affected the focus of student observations. The microcomputer group focused primarily on the graph while other groups exhibited multiple foci. The discussion data also reveal that students have three main ideas about how…

Using Piagetian tasks designed to assess specific mental structures, researchers investigate the relationship between logical thinking structures and the ability of students to construct and interpret line graphs. Results revealed that a significant correlation exists between the aforementioned variables. Suggests and cautions that only at certain…

Describes a computer-generated exercise that combines creative-thinking skills with practice activities in spelling and recalling vocabulary. A sample word game is included. (ZWH)

Describes activities that can be added to any chemistry curriculum and can offer students an opportunity to gain and practice skills in research, written and verbal communication, and database creation and use while working as a part of a problem-solving team. (JRH)

Reports (n=16) preservice science and mathematics teachers' findings and reflections from an assignment to conduct case studies of workers from a variety of settings to investigate the knowledge and skills necessary for high school graduates to be successful in the present-day workplace. (Author/MKR)

Describes differences in the composition, pressure, and temperature at distinct altitudes of the Earth's atmosphere from the point of view of physical laws. Discusses the genesis and importance of ozone, thermal radiation and the "layer cake" arrangement of the atmosphere, and solar energy in connection with thermal equilibrium. (JJK)

Reviews rationale, purposes, challenges, and relevance of hands-on, plant biology curricula that have been developed in response to the limited use of plants in biology education. Discusses methods to maintain both instructional rigor and student interest in the following topics: cut flowers, container-growing media, fertilizers, hydroponics,…

Described is an activity in which students learn about the minerals industry in the United Kingdom as well as the properties of rocks. Emphasized is the impact of human activity on the Earth. The variety of mineral resources in the United Kingdom and the environmental issues are discussed. (KR)

Results involving 701 female and 933 male advanced science students in the United States from the Second International Science Study are discussed. Focus was on differences between females and males. Gender differences were found, particularly in opinions regarding science and society, and with respect to general questions about school. (TJH)

Advocated is a participatory, problem-solving-oriented science education with a strong emphasis on the impacts of technology. Some of the insights and ideas that emerged through a Project 2061 Technology Panel Report are discussed. (KR)

Describes the interactions of high school girls and boys during coeducational science lessons. Analyses of the audiovideo recordings of 144 lessons taught by 12 male teachers indicate that girls were more likely to initiate classroom discourse. Findings did not support the hypothesis that gender disparity in science achievement in favor of boys…