Unit 4 Astronomy: the science of the stars（Listening, Speaking and Writing）

unit 4 astronomy: the science of the stars

listening, speaking and writinglisteningteaching goals 教學(xué)目標(biāo)1 target language目標(biāo)語言a重點(diǎn)詞匯和短語 gravity, by chanceb重點(diǎn)句子i heard about how the idea of gravity has developed over a long period of time. pick out the information and draw lines from the list to where the things are on the suit of the astronaut. 2 ability goals 能力目標(biāo)enable the ss to understand the different ideas about gravity. enable the ss to have a good understanding of the force of gravity in order to enjoy the stories fully and to become more involved and excited about studying space and the stars. 3. learning ability goals 學(xué)能目標(biāo)enable the ss to appreciate that the science fiction stories are imaginary but based on fact. teaching important points教學(xué)重點(diǎn)listen to the material about the detailed information about different scientists and their ideas. complete the form , make true or false judgment and answer questions. teaching difficult points教學(xué)難點(diǎn) discuss with partners and have a debate to find out ways to solve the problems about what a spacesuit should be like. teaching methods教學(xué)方法a. discussion b. listening c cooperative learning d. debating teaching aids教具準(zhǔn)備 a recorder teaching procedures & ways教學(xué)過程與方式step i. revisioncheck homework exercise. part3 (p29): the fact isthat i don’t know who he is. whether he’ll come or not. that many people don’t know how far beijing is from reading, england.your difficulty isthat you don’t have enough money. that you don’t know how to grow apple trees.my problem isthat i don’t know his address. how long the journey would take us.the question isthat the snow is too heavy. where you can find a restaurant.the trouble ishow to get there in time. whether you can find a taxi in such a cold day.part3 (p64): 1.       with the development of science and technology, people have come to depend more and more on the computer to deal with all kinds of things. 2.       now that many problems exist which cannot be solved, wars will probably break out. 3.       he gradually got the hang of this method of research after many years’ practice. 4.       the presence of that famous director cheered up all the people at the meeting. 5.       we should find some ways to prevent the harmful gas from spreading. 6.       he is already exhausted. we should lessen his pain instead of disappointing him. step ii. listening (using language)