Pakistan needs a strong base of science and technology for exploitation of natural resources, boosting agricultural and industrial production and to solve problems of food, shelter, energy and health. For this economic development Pakistan requires to develop a good number of human resources equipped with related knowledge and an attitude of scientific inquiry through school education. In education process one of the key elements of learning is agreed as curriculum. It is the only tool of restructuring science education to achieve the required objectives. The changing needs of society and...