?he nature of scientific research goes beyond the learning of concepts and basic manipulation to the key factors of engaging students in identifying relevant evidence and reflecting on its interpretation. It is argued that young children have the ability to acquire viable, realistic concepts of the living world when involved in relevant activities…

Surveillance cameras are prevalent in various public and private areas, and they can also be coupled to optical microscopes and telescopes with excellent results. They are relatively simple cameras without sophisticated technological features and are much less expensive and more accessible to many people. These features enable them to be used in…

The purpose of this study was to investigate pre-service science teachers' understanding of surface tension, cohesion and adhesion forces by using computer-mediated predict-observe-explain tasks. 22 third-year pre-service science teachers participated in this study. Three computer-mediated predict-observe-explain tasks were developed and applied…

Examines the definitions of scientific observation used in assessing students in Great Britain for the General Certificate in Secondary Education (GCSE). Proposes an instruction framework that supports such definitions. Provides examples of observational tasks and some methods of evaluating them. (TW)