This study investigates students' conceptions of inertia and compares these conceptions with historical change in the concept. A total of 736 students from four different age groups (i.e., age 11,13,15 and 17) participated in the survey. Questions in the questionnaire represent problems related to the concept of inertia which have been argued by past scientists such as Aristotle, Buridan, Galileo, and Newton. The questionnaire contained three questions, each concerned with one of the following applications of inertia: natural motion, the motion of a flying spear, and the falling motion of a stone on a moving ship. The results of the survey showed that there were considerable similarities as well as dissimilarities between students' conceptions and the views of past scientists. It is suggested that this kind of comparison studies would give useful background information on change in students' conceptions.
Chemistry was almost exclusively the product of Western culture until the 20th century, and it was in the early 20th century that chemistry was introduced as a new type of learning within Korea. The work of a British chemist, Henry E. Roscoe, was unintentionally introduced into Korean education in 1907. We briefly explore how chemistry knowledge was accepted in Korea by tracing the publication process and lineage of Hong's Chemistry Textbook.
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