Science is a rigorous, systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the world.

So “Doing science” could be roughly and problematically defined as carrying out scientific processes, like the scientific method, to add to science's body of knowledge.
What is full form of science?
Systematic, comprehensive, investigation and exploration of natural, causes and effect is the full form of Science.

Branches of science

Physics

Astronomy

Biochemistry

Economics

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