Great scientists（Period 1 Welcome to the Unit ）
unit 1 great scientists
brief statements based on this unitthis unit centers on great scientists, including some scientists both at home and abroad like john snow and copernicus.the students should be encouraged to practise talking about these scientists.the whole unit can be divided into seven parts: warming up, reading, listening and speaking, language focusing, reading and writing, grammar, and assessment.in warming up, there is a quiz for the students to do, which will arouse the students’ interest in knowing about the famous scientists and help the students to know science is very important in our daily life.group discussion and brainstorming will be used in this period to help the students to communicate with each other using their previous knowledge.in the reading passage, the students will learn about john snow, who defeats“king cholera”, and get a general idea about how to examine a new scientific idea.this will help the students to form their own attitude towards science.in learning about language, the students are encouraged to learn the following words and expressions: engine, characteristic, radium, theory, scientific, examine, conclude, analyze repeat, defeat, attend, expose, cure, control, absorb, severe, valuable, blame, immediately, handle, announce, instruct, virus, construction, contribute, positive, movement, backward, complete, enthusiastic, spin, reject, view, steam engine, put forward, draw a conclusion, in addition, link...to..., be strict with, lead to, make sense, point of view.while practising using the language, the students will learn about copernicus’ revolutionary theory, and their skills of reading, speaking and writing will be improved.in listening and speaking, more chances will be given to the students to learn about other scientists and their spirit.the students are encouraged to make up their mind to make contributions to science.the students will be asked to write a letter to copernicus on the basis of the understanding of the text.the letters are sure to be full of imagination and creativity.assessment will help the students to look back what they have learned and focus on the difficult and important points.so, this unit will be divided into seven periods as follows: period 1 welcome to the unit period 2 readingperiod 3 listening and speakingperiod 4 reading and writingperiod 5 grammarperiod 6 language focusingperiod 7 assessment knowledge aims: key words in this unit: engine, characteristic, radium, theory, scientific, examine, conclude, analyze, repeat, defeat, attend, expose, cure, control, absorb, severe, valuable, blame, immediately, handle, announce, instruct, virus, construction, contribute, positive, movement, backward, complete, enthusiastic, spin, reject, view.