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EFFECTS OF INSTRUCTIONAL MATERIALS ON ACHIEVEMENT AND RETENTION OF BIOLOGY CONCEPTS AMONG SECONDARY SCHOOL STUDENTS

CHAPTER ONE
INTRODUCTION
1.1 BACKGROUND OF THE STUDY
Science explains the natural existence of man and his activities. Science could be seen as problem solving in order to improve the living standard of man. There are different definitions of science by different schools of thought; Owolabi (2004) defines science as an integrated part of human activities. It is seen as a dynamic human activity concerned with manipulating spherical world. It is seen as “knowledge covering general truths and laws, obtained and tested through scientific methods as concerned laws with the physical world”. Science can be seen as the bedrock of national development. A nation that is not scientifically advanced is termed a backward nation. Science is used by humans to solve daily problems and control the environment.
The usefulness of science cannot be under-rated. There are many areas of life that science has contributed such as in medicine, geophysics, hydrology, agriculture, communication, technology, education, transportation, healthcare to mention a few. Agriculture has improved greatly through the introduction of high yield improved agricultural seeds. Science has led to breakthrough in medical care. Diagnostic machine for checking different ailments and diseases are now controlled and diseases cured through science. The usefulness of science to humanity cannot be over emphasized.