The word “Science” comes from Latin word “scientia“, which means “knowledge“. Science refers to a system of acquiring knowledge. The term science implies organized knowledge obtained from the observation of the animals and materials around us. This specialized information has been enriching human knowledge. In fact, knowledge of the unknown universe is science. So This system uses observation and experimentation to describe and explain natural phenomena. The term science also refers to the organized body of knowledge people have gained using that system. In a word we can say that Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe. At present, “science” most often refers to a way of pursuing scientific knowledge, not only the knowledge but also often restricted to those branches of study that seek to explain the phenomena of the material

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