Section 1.2 in the book Biology: The Dynamics of Life deals with the Methods of Biology. In this section, I talk about the Scientific method, which shows the steps that are used to answer questions scientifically. Of course, when talking about the scientific Method, you have to include a discussion of Controlled experiments.
When conducting experiments, there are certain scientific tools that you can use to make life easier. Some of these tools are presented in the video.
What happens when hypotheses are supported over a long period of time? Watch the video to understand the difference between a hypothesis, theory and law.