3D printing technology, Activity Theory, modeling’s approach of Additive Manufacturing, fablabs Action, reason, geometric middle, developmental perspective, International Center for Genetic Epistemology Activity, artifact, instrument, instrumentalisation, integrated linear amplifier Adult secondary education, teaching of mathematics, utility Analyse of the activity, strategy, behaviour, spreadsheet, learning Ancient remains, amphorae, mediation Area Measurement, teaching area measurement, measurement tools, elementary school Argumentation, personal epistemology, learning, socio-scientific issues, digital Attitude, ICTs, training device, teachers training Attrition, Science Teacher Education, Open and Distance Education, Pre-service Teachers Autonomy, physics and chemistry, teachers, middle school Avalanche, joint action theory for didactics (JATD), physics, resources, science communication Biological education, educational role of museums, zoological museum, environmental awareness, urban birds Biological evolution, randomness, pupils’ conceptions, discussion with philosophic aim Biology, competencies, national / global context, PISA, school-based exams Block diagram, regulation, servo control, technical system Breathing, socioconstructivism, curriculum, curriculum didactics Capacity, volume, didactic and ergonomic approach of practices, sciences education, teaching and learning Chemical reaction, MBL, Lebanon, labwork Children, ICT, technology, home, early childhood education Children’s representations, preschool education, clouds, early childhood science education Classical Mechanics principles, Quantum Mechanics basic principles, wave in Quantum Mechanics. Copenhagen interpretation, Everett III interpretation Cognitive development, Learning Disabilities, collaborative learning activities, Information and Communication Technologies (ICT’s) Cognitive ergonomics, space ergonomics, computer laboratory Cognitive errors, dysfunctional assumptions, cognitive psychotherapy, transformative learning Community, resources, teachers Comprehension, bricolage, learning, constructivism Concept force, didactic transposition, mathematical approach, students’ difficulties misconceptions Conceptions, socio-constructivism, learning, breathing Content analysis, qualitative research, primary school, scientific research activity