this is the fourth period. in this period the teaching and learning will center on reading and writing. help the students know about copernicus and his theory. develop the students’ reading ability. improve the students’ writing ability. knowledge aims get the students to know about copernicus and his theory. learn about persuasive writing. ability aims master the skill of gist reading. develop the students’ reading ability, such as skimming and scanning. improve the students’ writing ability. emotional aims arouse the students’ interest in science and devotion to science.