There is no "one and only" scientific method.  Different branches of science and situations require slightly different ways to solve problems and get answers.  Observation is the key to scientific understanding.  After observing nature and patterns surrounding us, we humans ask questions.  A hypothesis will be a plausible explanation for our questions, and must be tested by testing that hypothesis.  After collecting data, scientists determine if their prediction was proven or not.  Careful records must be made so that others can repeat the experiment.  Science differs from other fields in that it changes based on the information it collects.