Definiton of Science Science is a collective intellectual effort by the human mind to grasp all aspects of the world of perceived reality in terms of conceptual categories, and with the aid of mathematical analysis and ingenious instruments. Elaboration of terms used in the definition. Science invariably involves the participation of a community of workers in any given field. The term is used here to refer to the mental capacities of reasoning, analysis, criticism and formulating reference systems. Theoretically, one may consider levels of reality which are beyond human perception, If such exist, they are beyond the scope of science.
Perception refers to awareness resulting from the normal functioning of the sensory faculties.
Some of these may not correspond to directly observed or observable entities or aspects of perceived reality. Much of our understanding of the microcosm would be impossible without sophisticated mathematics. If sound or light is too faint, the ear or eye will not respond. Sound waves beyond the audible frequencies cannot be heard. Likewise, electromagnetic waves beyond certain frequencies cannot be seen.