“…Several researches have been employed in the study of NGSS (Boesdorfer, & Staude, 2016;Hoeg & Bencze, 2017;Huff, 2016;Isabelle, 2017;Penuel, Harris, & DeBarger, 2015). A study on elementary school teachers highlighted the need for teachers to engage students in making observations, explanations, predictions, compare when sorting object and engage in experiments which require using spatial thinking skills (Isabelle, 2017).…”