Everything in the world, no not only the world but the universe that we live in, falls under the ambit of science. However, during your 11th and 12th Class studies, you will be dealing with three main sub-streams of the subject, i.e., Physics, Chemistry, and Biology. In addition to this, you will also have Mathematics as one of the core subjects along with a compulsory language subject. With computer technology taking the center stage in the scientific study domains, you will also have computer science as a foundational subject. Present-day science is commonly isolated into three significant branches that comprise of the normal sciences, which study nature in the broadest sense; the sociologies, which study people and social orders; and the conventional sciences, which concentrate conceptual ideas. There is disagreement, in any case, on whether the proper sciences really establish science as they don't depend on experimental evidence.