The purpose of this study is to analyze the results of observations about `candlelight` made by the elementary children, the third to the sixth grade and to give the basic materials for the evalution of the observation ability. As the results of this study, a total of 74 observation items, 57 using the sight sense, 13 using the tactile sense, 2 using the olfactory sense, 1 using the palate sense and 1 using the auditory sense is identified. Generally, most of students have observed by the sight and the tactile sense. As the grade ascends, the observations with operation is increased and the quantitative expression and interpretation about them become also better.