Economics as a Science
Economics is a science since its laws have widespread soundness such as the law of diminishing returns, the law of diminishing marginal utility, the law of demand etc. It is called as a science since its self-remedial nature. It goes on amendments in the dawn of new specifics based on interpretations. Hence, Economics is a science like any other science that has its own generalisations, theories or laws which traces out a casual relationship between two or more phenomenas.
Economics as an Art
The practical application of scientific techniques is the Art of Economics. Some economists consider economics as a science and art while few others as science and applied science. It is considered as newest of science and oldest of arts and the queen of all the social sciences.