How To Write An Informational Research Paper . In some cases you may also conduct interviews. To write a research paper you must first do some research, that is, investigate your topic by reading about it in many different sources, including books, magazines, newspapers, and the internet. Pin on Example Business Form Template from www.pinterest.com Follow these steps to start your research paper outline: A descriptive essay can be written with an eventual purpose or it can be written just to provide information. Want to write about or what you want to uncover in your paper.