Today it has become essential to understand the basic principles of science as it has become an integral part of life. Many issues facing mankind require an understanding of scientific principles by the public and by decision makers. Science has to play an important role in affecting utilitarian values system. Utilitarian value dimensions of science can be understood clearly if its nature and processes are understood first. When children grow and come to school to learn science, they are confronted with many directions with certain pre-notions and beliefs about natural phenomena which they...