Combining Different Conceptual Change Methods within Four-Step Constructivist Teaching Model: A Sample Teaching of Series and Parallel Circuits

Hava İpek,

Muammer Çalık

Опубликована Июнь 10, 2008

Based on students‟ alternative conceptions of the topics „electric circuits‟, „electric charge flows within an electric circuit‟, „how the brightness of bulbs and the resistance changes in series and parallel circuits‟, the current study aims to present a combination of different conceptual change methods within four-step constructivist teaching model. Therefore, the author assumes that such a design may give a chance to eliminate students‟ alternative conceptions fully. Also, some suggestions were made for further research.

Enhancing Botswana Children’s Environmental Knowledge, Attitudes and Practices through the School Civic Clubs

Josiah O. Ajiboye,

Nthalivi Silo

Опубликована Июнь 10, 2008

An intervention study was set up through the School Civic Clubs to improve Botswana Children’s environmental knowledge, attitudes and practices. The underlying assumption in using this informal approach was based on the premise that the school time table is already overcrowded and that the infusion approach currently adopted in the country has not produced the desired results. Hence, the Civic Clubs were introduced into ten Primary schools in Botswana. Using this informal approach, the children were given requisite training in civic and environmental issues, and they engaged in various activities for a period of six weeks. Data was collected before …

A Science Summer Camp as an Effective way to Recruit High School Students to Major in the Physical Sciences and Science Education

Paul J. Bischoff,

Devin Castendyk,

Hugh Gallagher,

John Schaumloffel,

Sunil Labroo

Опубликована Июнь 10, 2008

Now in its fifth year, PR2EPS is a National Science Foundation funded initiative designed to recruit high school students to attend college majoring in the physical sciences, including engineering and secondary science education, and to help ensure their retention within these programs until graduation. A central feature of the recruitment effort is a free, one-week residential summer science camp for high school students. This report describes the rationale for using a camp as a recruitment tool as well as the camp structure. Two focus questions are addressed: 1) How successful is the camp at providing a learning environment where participants …