At the end of the application are examined students’ attitudes towards chemistry and chemistry to increase significantly with a very important place in their lives, and learning that laboratory applications, requests, and especially the more eagerly participated in discussing the negative attitudes expressed decreased and scientific issues. In addition, the students’ misconceptions related to the concept of the enthalpy were revealed as bellows. The misconceptions consist with the literature (Sozbilir, 2001; Carson & Watson, 1999; Yalcinkaya et al., 2009).