摘要:It is aimed in this research to measure via knowledge hierarchy the things learned by the visitors of the exhibits and compare them with the purpose that the exhibits are designed for, thereby realizing a summative evaluation of the exhibits. The research has been conducted in a children’s science museum with totally 12 middle school students, nine of which are at grade 6 and three of which are at grade 7, semi-structured interview forms have been used to make interviews with those students before and after they visit the science museum, and based on these interviews their knowledge levels have been measured. It has been found out that the students at the lower levels of the knowledge hierarchies of the exhibits have moved up to the higher levels after the visit, an accumulation of the students has been observed at the higher levels and the exhibits meet the purpose that they were designed for.