The aim of this study is to reveal the students' and pre-service
teachers’ understanding of light, sight and related concepts at different educational
levels, from primary to higher education. A cross-sectional approach was used
since the participants were of different age and educational level. The sample of
this study consisted of 30 eighth grade primary school students, 26 eleventh grade
secondary school students, and 42 student teachers. The data were collected
through open-ended, multiple choice questions, and a drawing exercise. Findings
showed that the participants’ perspective and understanding of light and related
concepts generally reflect what their syllabus covered at different educational
levels. The participants look at light from two points of views; the effects or function
of light and the nature or structure of light as a physical entity. As the participants-
education level is advanced, they described light through its effects and
interactions as well as its physical nature. A significant number of the participants
were found not to be able to explain light related phenomena in scientific language,
despite their knowledge about them. Some common misconceptions about
light, light sources and sight process have been determined at all levels. This
study also revealed some implications for the syllabuses and teaching of the topic.
The aim of this study is to reveal the students' and pre-serviceteachers’ understanding of light, sight and related concepts at different educationallevels, from primary to higher education. A cross-sectional approach was usedsince the participants were of different age and educational level. The sample ofthis study consisted of 30 eighth grade primary school students, 26 eleventh gradesecondary school students, and 42 student teachers. The data were collectedthrough open-ended, multiple choice questions, and a drawing exercise. Findingsshowed that the participants’ perspective and understanding of light and relatedconcepts generally reflect what their syllabus covered at different educationallevels. The participants look at light from two points of views; the effects or functionof light and the nature or structure of light as a physical entity. As the participants-education level is advanced, they described light through its effects andinteractions as well as its physical nature. A significant number of the participantswere found not to be able to explain light related phenomena in scientific language,despite their knowledge about them. Some common misconceptions aboutlight, light sources and sight process have been determined at all levels. Thisstudy also revealed some implications for the syllabuses and teaching of the topic.
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