The main requirement for thematic essay is to concentrate on the task: concept or theme. The structure of the thematic paper can be usual consisting of five paragraphs: an introduction, three body paragraphs and a conclusion.
A profile essay can give a detailed picture of some place or event, however, the description of a person is the most commonly used. It can be needed for scholarship and college applications or the writing class
A process essay describes the procedure of doing something. In fact, this kind of essay can be really helpful for the reader as he will be able to learn from your writing new things.
A scientific paper is a way how one can tell about his research and, especially, about its results. This type of writing has a standard form, which should correspond to academic requirements, and, what is more, the logical and methodical manner.
Studying is about not only learning some things from teachers but also about conducting the research by students on their own. That is why the research papers are a common assignments starting from high school.