Science is the intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment.
Every subject is itself a Science. Science not only includes Physics,Chemistry,Maths, it also includes the other disciplines like Psychology,Environmental studies,Sociology,Biology and Anthropology, etc.
Scientists are the people who work in the field of science practicaly and try to invent new logics and reasoning. From the lactic acid which we get from small ants to the formation of metamorphic rocks all include ‘Science’.
All our world revolves around the one word SCIENCE.