Class-work is a term used to describe the work that students do in school. It includes activities such as TEXT, LESSONS, YEARBOOK and ESSAY. TEXT refers to written material such as books, articles or stories. LESSONS are activities that teachers assign to help students learn a particular subject. YEARBOOK is a book that contains photographs and information about a school's activities during a particular year. ESSAY is a piece of writing that expresses the author's opinion on a particular topic.