Answer:
The investigation of phenomena by experiments
Step-by-step explanation:
Science involves the investigation of a phenomena by means of a set of steps known as an experiment. The non-science means scientific methods and investigations cannot be carried out. A question must have variables that can be measured. Without the physical quantities, a question cannot be measured. The scientific method takes a number of steps. The essential steps are hypothesis and then doing an experiment to prove of disapprove the hypothesis.