Kind of like how biology isn't a science? Because observations doesn't count, since they are not testable? This is just playing with words. That 'science' must

Kind of like how biology isn't a science? Because observations doesn't count, since they are not testable? This is just playing with words. That 'science' must be 'testable' or it is not science, and all other fields that either have observations, or theory, is not 'science'. Theoretical Physics? Not science? What word should we use?