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

questions and answers:1.what was the most unexpected thing you found out about black holes?the black hole threw out material as well as ate objects.2.how did you know you had got close to a black hole?you can see things disappear into what appears to be an empty space. that’s a black hole. 3.what was the most frightening thing that happened to you on this journey?when the gravity of the black hole was pulling us to it’s mouth, and then the spaceship moved round the hole and began to go faster and faster into it; i was terrified because i thought we would be eaten by the hole.4.why did your watch move slower when your spaceship moved around the hole?i’m not clear yet.5.have you found something new about black holes?yes. i thought black holes only eat some objects, but in fact they also spit objects out.step vi homework:prepare for writing a passage about your idea or hopes for traveling in space.writingteaching goals 教學目標1 target language目標語言a重點詞匯和短語 explore, characteristics b重點句子 write a short article explaining three problems you might meet on the moon.. you may ask the following questions as well as work out some more. 2 ability goals 能力目標enable the ss to write an article about your idea or hopes for traveling in space. 3 learning ability goals 學能目標help the ss to learn how to write a passage.teaching important& difficult points教學重點和教學難點teach the ss how to write an article about a space travel. teaching methods教學方法task-based learning discussion. teaching aids教具準備a projector, a computer teaching procedures & ways教學過程與方式step i writingthe purpose of this writing is for students to think about what kind of equipment they would need to be safe in space. it’s a good opportunity for a discussion about the pains and pleasures that might occur when traveling in space. after the discussion, they can write down the problems and the way to solve them.t: if you are going off on a holiday, what will you take?s1: i will take clothes, shoes, food and many other things.t: but for space travel, you need specialized equipment. what equipment should you take? we have discussed them in last lesson. who can answer this question?s2: oxygen can, spacesuit, gravity boots, water system, special food., special ropes, space buggy, sunglasses and space camera.t: we take so many things with us in order to avoid many dangers. what are the dangers? if you don’t know many enough, let’s watch the film “apollo”. it’s a film about an american space mission that went wrong. after that, you should write down the dangers and the way to solve them.