Action research provides valuable opportunities for preservice teachers to improve their practice, their understanding of their practice, and the situation in which their practice takes place. Moreover, action research empowers preservice teachers to critically examine an experience that demonstrates their potential to be influential researchers…

This study examines a fifth grade science teacher's attempts at integrating engineering design using the construct of uncertainty. Collaborative action research served as a supportive mechanism to uncover and confront the teacher's uncertainties. Data were gathered through semi-structured interviews, reflections, classroom observations, lesson…