9b  Unit 1 Life on Mars  Welcome to the unit 導學案

5) robot settlers:  settlers are the persons who move to a new place . / maybe robots will move to mars and live on it first. (ppt)6) online teacher：the teacher who can help you at any time and any place in an on-line schools is called ‘e-teacher’.(ppt)step 2 while-reading 1. skimmingt:  now would you please open your books at page 8? read the article quickly and find out the keyword of each paragraph. it can be a word or some words. you don’t have to read it word by word. just skim it. this kind of reading skill is called skimming. t:  ok, boys and girls. let’s check the answers now:  (ppt)para 1 crowded, polluted (population , pollution)para 2    transportpara 3   food, water and airpara 4   gravitypara 5    homepara 6     schoolpara 7    food2. scanningt: that’s very easy for you, right. read each paragraph again, this time you should be more careful and pay more attention to the details. while reading the article, please find out the answers to the questions .it’s another kind of reading skill called scanning  t:  now, boys and girls , please look at the screen here, let’s check the answers.（ppt）※transport （ppt）1) what vehicle do people use to mars at present? and how long does it take?   ( spacecraft. months.)2) what vehicle may people use to go to mars in the future? and how long will it take?(space shuttles. only a very short time.)※ air, water, food （ppt） 3) what will scientists do to solve the problems of food, water and air?( scientists will develop plants that can grow on mars and produce the food, water and oxygen .)4) what will food on mars be like?(maybe the food will be in the form of pills and will not be as tasty as they are today.)※ gravity（ppt）5) is gravity on mars a big problem? why?(yes, it is. because the gravity on mars is three-eighths of the gravity on earth. )6) what may happen then? (people may jump high easily and float away into space.)7) what kind of shoes should people wear?     (people should wear special boots to make themselves heavier.)※ home（ppt）  8) what kind of house may people live in? ( a special dome with 10 bedrooms is highly possible.)9) who will do most of our work? (robots will do most of our work.)※ school（ppt） 10) what kind of school will students study in? and what do they call their teacher?(students can study in online schools and they call their teacher ‘e-teacher’.)