Follows a general model for solving real-world problems that includes making some basic assumptions about the problem; constructing a representation of the problem; choosing the appropriate operations or the correct formula or rule.
Right Place, Wrong Time
It's important to check the results from an experiment. Does the result make sense? Does it follow from other facts that are known? From the standpoint of teaching High School science, checking if one's results are sensible adds an additional layer of safety that the results are correct. (From the standpoint of advancements in Science, a basic research tenet is that results must be repeatable and not just a fluke.