Abstract:   The study aimed to identify the measurement of the effectiveness of using the problem-based Wheatley model in developing biological concepts in a sample of (30) children from the second level of kindergarten. The researcher tested the biological concepts of the kindergarten child, and with following the methodological procedures, and using the experimental method with a quasi-experimental design based on the experimental group only, the two measurements before and after were analyzed, and the results showed the following: There are statistically significant differences between the mean scores of the members of the experimental group (males/ Females) In the two applications, the tribal and remote for the benefit of the post, the Wheatley model is effective in developing biological concepts for the kindergarten child. Search..