The definitions of authentic materials are slightly different in literature. What is common in these definitions is 'exposure to real language and its use in its own community'. Rogers (1988) defines it as 'appropriate' and 'quality' in terms of goals, objectives, learner needs and interest and 'natural' in terms of real life and meaningful communication (p. 467). Harmer (1991), cited in Matsuta (n.d., para. 1) defines authentic texts as materials which are designed for native speakers; they are real text; designed not for language students, but for the speakers of the language. Jordan (1997, p. 113) refers to authentic texts as texts that are not written for language teaching purposes. Authentic materials is significant since it increases students' motivation for learning, makes the learner be exposed to the 'real' language as discussed by Guariento & Morley (2001, p. 347). The main advantages of using authentic materials are