This study aimed to develop and evaluate a web-based TPACK scaffolding for online learning to enhance the TPACK skills of preservice chemistry teachers. The preliminary study identified the lack of a clear perception of TPACK among preservice chemistry teachers. Therefore, we developed a web-based TPACK scaffolding tool consisting of five menus:…

In recent years educators and educational researchers in the U.S. have begun to introduce engineering design activities in secondary science classrooms for the purpose of scaffolding science learning as well as supporting such general problem-solving skills as decision making and working in teams. However, such curricula risk perpetuating a…

This book recounts the many challenges and successes achieved by the American Association for the Advancement of Science (AAAS) from World War II to 1970. Included are: (1) the development of the National Science Foundation; (2) Cold War concerns about the loyalty and freedom of scientists; (3) efforts to develop an effective science curriculum…

This is an overview report that has been prepared as part of the first phase of Project 2061, a long-term multipurpose undertaking of the American Association for the Advancement of Science designed to help reform science, mathematics, and technology education in the United States. The first section, "Education for a Changing Future,"…