Human beings do not usually recognize plants although they exist widely in their environment. This condition has been described as plant blindness in literature. The main purpose of this study is to examine pre-service elementary teachers' awareness of plants. Moreover, the study examined from which sources student-teachers gained knowledge about…

This study examined conceptual change of Thai middle school students after learning photosynthesis with analogy and model. The analogy mapped key features from the analog (cooking food) to the target concept (photosynthesis). Modeling photosynthesis activity provided the opportunity for students to understand how plants use sugar to synthesize…

This paper reports on a study that investigated the alternative conceptions of students in a biology and geology teacher education course regarding plant nutrition. Data were collected from first year and final year students using a questionnaire that had both multiple choice and descriptive items. Findings indicate common features related to the…