To answer "How do scientists figure things out?", Beakman uses the scientific method step by step to answer the question, "Does salt water conduct electricity?" they conduct an experiment to test their hypothesis and form a conclusion.
The townsmen believe the lady is a witch because she is dressed as one, and Sir Bedevere asks them a series of questions to help them determine whether or not she is really a witch. Some of the logic in this clip is not sound, but it illustrates several steps of the scientific method: Observation, Hypothesis, Testing, Collecting/Analyzing Data, and Drawing a Conclusion.
Jack Skellington uses the Scientific Method to answer the question, "What is Christmas?" He borrows science lab equipment then follows the scientific process to figure out what is Christmas. He makes observations of the artifacts he collected from Christmas Land, asks the question, "What is this?", forms a testable hypothesis, makes a prediction, and tests the prediction. He never completes the last step, which is using the results to make new hypotheses or predictions, because of the havoc he caused while testing the prediction.
Atticus gives a speech to the courtroom in which he expresses his disapproval of society's attitudes towards black men. He indicates that the defendant, Tom Robinson, is not guilty and expresses his confidence in the justice system to be fair and unbiased.