A virtual learning scenario harnesses the potential of such 3D VW and provides learning trails to the adult learners. Furthermore, VW are suggested to offer significant opportunities to expand the scientific literacy of the people [5]. Simulations and activities created within SL may help in enhancing the scientific literacy and promote the jointly constructed understandings of the world. The simulations can be used as substitutes of "real" situations, when these situations are difficult to be created in real life again, such as the motion of the planets or the description of the heart function or brain in the human body [25] [26]. In addition to that, SL provides role playing [27] [28] [29] by which learners can get engaged with the role of a scientist or technician and get encouraged to identify with science. TSEvs lies on the principles of social constructionism and its aim is to facilitate learners reflect on technology and science as a way of knowing, and thus develop in a collaborative way their technology and science process skills.