Presents year-long, elementary science projects that address the question of why daylight hours vary in length according to locality. Provides three instructional units designed to commence in September, including data collection activities for sunny days encouraging later classroom calculations; on-going graphing activities; and modeling…

Describes an approach to introductory geology that requires students to go into the field to make observations, collect and analyze data, synthesize those data, and hypothesize about inferred geologic relationships. The product of these laboratories is a paper that requires students to test their hypothesis using specific examples from the data.…

Examines participation in science competitions to determine (1) whether gender differences in participation exist, and (2) whether there are gender differences in the subject areas selected (biological versus physical sciences). North Carolina student participation data were used for the years 1987-88. Gender differences in science competitions…

Describes a project where students were involved in finding the most suitable site for a landfill in their community. This two-month project was conducted using team teaching. Two twelfth grade geoscience classes were involved. (PR)

Provides instructions for making telescopes. The design and instruction sheets given to students are provided. (PR)

Describes a contest where sixth-grade students observe the results of a week of planning, folding, testing, and comparing their best paper frog designs and hopping techniques. This integrated unit helps children unleash their imaginations and develop problem-solving skills. (PR)

Presents a water-quality monitoring project in a Denver school that has evolved into an experiment using a constructed wetland system to treat the acid-mine drainage from an abandoned gold mine. (PVD)

Reports on a case study that examines the beginnings of gender differentiation during a naturally occurring academic activity designed to support and guide young children's interest in doing science. Contains 25 references. (DDR)

Presents an alternative to the competition fostered through traditional science fairs. The Science Expo is an all-day event meant to show students and the community that science is fascinating and fun. (PR)

Presents an alternative to the traditional science fair. The Science Expo features students projects, science games, teacher demonstrations, and business and organizational exhibits. (PR)

This paper describes a simple, rapid and low-cost technique for growing bacteria (or other microbes) in an environmental gradient, in order to determine the tolerance of the microbial population to varying concentrations of sodium chloride ions, and suggests how the evolutionary response of a microbial population to the selection pressure of the…

The Professor Harry Messel International Science School is organised by the Science Foundation for Physics within the University of Sydney. In 1968, the Foundation extended the participation to the UK and Japan and each country sends five scholars to the Science Schools, which are held every second year. Nowadays, scholars from Singapore,…

A project-based design course is developed for man-portable power generation via microfabricated fuel cell systems. Targeted audience are undergraduate chemical/process engineering students in their final year. The course covers 6 weeks, with three hours of lectures per week. Two alternative projects are developed, one focusing on selection of…

In delivering chemistry courses by distance, a key challenge is to offer the learner an authentic and meaningful laboratory experience that still provides the rigour required to continue on in science. To satisfy this need, two distance general chemistry laboratory courses appropriate for Bachelor of Science (B.Sc.) students, including chemistry…

To address the need to better prepare teachers to enact science education reforms, the National Science Foundation has supported a Research Experience for Teachers (RET's) format for teacher professional development. In these experiences, teachers work closely with practicing scientists to engage in authentic scientific inquiry. Although…