In research paper writing, we always want to make something that will impress our audience especially our teacher who will give us grades. So in order to really impress your teacher, you have to make sure that you pay attention with the instructions that are given.
You have to select a topic that truly interests you but you also have to make sure that the facts that you have researched and the ideas that you are going to include should be focused within the topic. Writing research papers is not about throwing in all what comes to your head but you also have to be aware if you are already getting out of the main idea. All the idea that you are going to include should be explained clearly and the arguments must be consistent. Watch yourself when you are already writing if you have some tendency in getting out of focus on the main idea. Evidences that you have gathered from the research should definitely be included. They will play a vital role in the reliability of your work.
Free research papers on the Internet are helpful for your reference. You can browse from the number of good research paper topics that are interested in.