Difference between natural selection and evolution

Evolution is the process by which new species come into being. The term is also used for the history of speciation on the planet. Natural selection is the mechanism by which evolution occurs: variations in the population which spread or are eliminated based on how well they manage to survive in the environment.

Evolution is the general process of change over time, in whatever form, while natural selection mechanism that Darwin is famous for discovering

That is false even though water expands when frozen nothing changes at all