1. Asoko, H.M., Leach, J., & Scott, P. (1991). A study of students’ understanding of sound 5-16 as an example of action research. London: Paper presented at the An. Conf. of the British Educ. Res. Assoc. at Roehampton Institute.
2. Atasoy, B. (2002). Fen örenimi ve öretimi. Ankara: Gündüz Eitim ve Yaynck.
3. Two teaching methods and students’ understanding of sound;Barman;School Science and Mathematics,1996
4. Students’ preconceptions on the nature of gases;Benson;Journal of Research in Science Teaching,1993
5. Students’ understanding of chemical bonds and the energetic of chemical reactions;Boo;Journal of Research in Science Teaching,1998