If you have two main points in your thesis, three or five main sections might not work for your research paper. If the assignment asks you to introduce a topic, explain different opinions on the topic, and then choose and explain your opinion, then your paper probably needs three main sections, one for each of those objectives.
It might make sense to bookmark resources on your web browser or make a digital bibliography that allows you to link the resources you found. You might prefer a printed list of your resources or you might want to write down all you have learned that is relevant to your project on notecards or sticky notes and organize your research paper on a table or the floor.
Any information that doesn’t fit within the framework of your outline, and doesn’t directly support your thesis statement, no matter how interesting, doesn’t belong in your research paper. Keep your focus narrow and avoid the kitchen sink approach.
Take what you have learned from a Google search or Wikipedia article and dig deeper. Check out the sources on the article, use keywords from your internet search to search an academic database, or ask an expert whether or not what you learned is valid and if it is, where you can find a reliable source stating the same thing. So, just to be clear: you can use Wikipedia as a starting point in your research, but you should not cite Wikipedia as one of the primary sources for your research paper.
If your teacher requires you to turn in a bibliography with your research paper; you ought to already know exactly what the assignment is by now!), create a bibliography that meets the requirements for the paper. If you are just making one just for yourself, think about how you would like to organize your research.