The purpose of the study was to determine the perceptions, knowledge levels, and mental models of gifted 2nd and 3rd-grade elementary students regarding the shape of the Earth and gravity concepts. The data for the study, which was qualitative research, was collected through interviews with the students. The study participants were 80 students…

The National Science Education Standards [National Research Council (1996) National science education standards. Washington, DC: National Academy Press] recommend that students understand the apparent patterns of motion of the sun, moon and stars by the end of early elementary school. However, little information exists on students' ability to…

Difficulties in students' understanding of the spherical model of the Earth have been shown in previous studies. One of the reasons for these difficulties lies in beliefs and preliminary knowledge that hinder the interpretation of the scientific knowledge, the other reason may lie in the low level of verbal and visuo-spatial abilities. The study…