A lot of the activities of daily living require energy, playing video games, making dinner, turning on the lights, using a computer, and perhaps even brushing our teeth requires energy. In this unit students discover what energy is, think about where it comes from, analyze options for making energy evaluate feasibility in different parts of the…

This research aims to analyse the process of grasping the Solar System by the students during their learning activities in which we used an animation film and other educational means (geographic globe, schematic drawings, 3D model, etc.), as well as the results obtained. In order to achieve this goal, we organized an action-research within…

"Sustainable" development refers to development that meets our needs, while making it possible for future generations to meet their needs. Societal and personal choices will dictate if sustainable development will be possible, or, rather, if the environmental, economic and social impact of our continual lifestyle demands will lead to…

This study identifies and explores the dilemmas experienced by three first-grade teachers in teaching elementary school science. The impact of coaching and teachers' career stages on how teachers reconcile their dilemmas was examined. Results of this comparative case study indicate teachers perceived tensions between focusing instructional…