9BUnit4LifeonMars教案.docx

1、9BUnit4LifeonMars教案9B Unit 4 Life on Mars Welcome to the unitTeaching aims:1. Thinking about life in the future.2. Thinking about what life be like on another planet.3. Discussing the advantage and disadvantage of a particular environment.Teaching procedures:Step 1 Warming up Show some pictures and

2、let students know something about Mars.Do you know this planet?Step 2 Read and say Mars, helmet, air tank, dried food, power pack, sleeping pack, gravityStep 3 DiscussionBy 2050,our earth will become What shall we do? Where shall we live?Step 4 PracticeDaniel is dreaming about visiting another plane

3、t. What should he take with him? Write the name of the item under each picture.air tank, computer, dried food, power pack, sleeping bag, space helmet, special boots, tentKeys: air tank, tent, dried food, space helmet, special boots, computer, power pack, sleeping bag Step 5 Discussion Can you guess

4、what the life will be like on Mars? On Earth & on Mars fruit or vegetables dried food gravity less gravity pollution no pollution very important not important too much homework less homework and robots will help herStep 6 Daniel is talking to Amy about living on Mars. What would it be like? Work in

5、pairs and discuss with your partner. Use the conversation below as a model.Daniel: What would it be like to live on Mars?Amy: Theres less gravity on Mars. Wed probably need to wear special boots.Daniel: Yes. And we might need sleeping bags too.Amy: I agree. Also, theres no fruit or vegetables, so we

6、 would have to eat dried food.Daniel: Wellthat sounds quite boring! But there would be no pollution on Mars.Amy: I hope so.Step 7 Watch a video and answer the questions.What do the boy and his father want to do?Can you guess do they like travel into space?Step 8 Listen and answer 1. Do you think Edd

7、ie likes the life on the Mars?2. Why does Eddie hate life on the Mars?Keys: No, I dont think so. He cant get to his food because of the helmet. Step 9 Role play the conversation between Hobo and Eddie.Hobo: Wow, Ive never thought about travelling into space.Eddie: Me neither.Hobo: How do you like li

8、fe on Mars?Eddie: I hate it.Hobo: Why do you hate it? I thought you liked Mars.Eddie: Its this helmet. I cant get to my food.Step 10 Language points1. Hobo: Wow, Ive never thought about traveling into space.Eddie: Me neither.否定回答Me neither 为非正式用法，美式英语中用Me either 正式答为Neither have I. 2. How do you lik

9、e life on Mars? 你认为火星上的生活怎么样？How do you like ? =What do you think of? e.g. How do you like my new look? 你认为我的新造型怎么样？Step 11 Exercises1. Translate the phrases1.去太空旅行 2.你认为怎么样? 3.我原以为 4.得到我的食物5.少一些的重力 6.没有污染Keys: travel into space, How do you like? I thought, get to my food, less gravity, no pollution

10、 2. Complete the following sentences.1. R_ will help us with our housework in the future.2. Youd better wear a h_ to keep yourself safe when you are riding a motorcycle.3. He likes music very much and he can play the _ (吉他) very well.4. She likes wearing a pair of _ (太阳镜) to keep off the sun.5. I th

11、ink we need a _(帐篷) when we are camping.Keys: Robots, helmet, guitar, sunglasses, tentStep 12 Homework1. Search more information about Mars on the Internet.2. Preview the new words in next lesson.Reading ITeaching aims:1. Understand the planet living in another plant.2. To recognize and read words o

12、f life on Mars.3. Identify and list the differences lives between earth and Mars.Teaching stepsStep 1 ReviewTranslate some sentences.1. 我从来没想过去太空旅行。2. 你认为火星上的生活怎么样？3. 我原以为你喜欢火星。Keys: Ive never thought about traveling into space.How do you like life on Mars?I thought you liked Mars.Step 2 Presentatio

13、nplanet crowded polluted rapid increase (all) over again passenger at a/the speed of uncomfortable oxygen in the form of tasty specially float compare compare to /with interplanetary network challenging rapidly Step 3 Match the words and the meaningcrowded a. for one purposerapid b. a second time fr

14、om the beginningpopulation c. Decide in what way things are similar or difficultall over again d. having a nice tastepassenger e. full of peopletasty f. happening in a short period of the timespecially g. a person who rides in a car, bus, train, etc. but does not drive itcompare h. The total number

15、of people in an area, a country, etc.Keys: e f h b g d a cStep 4 DiscussThe color of Mars: _ Redthe surface of Mars The surface of Mars is a little like the surface of Earth.The size of Mars one-half the diameter (直径) of Earththe temperature of the MarsThe lowest temperature will be -133 (degrees ce

16、ntigrade) and the highest will be 27 the transport to the Marsspacecraft are too slow to carry large numbers of people to MarsStep 5 Pre-readingDaniel is looking for more information on the Internet. Help him find out the links to the key words.crowded planet space houses spacecraft robot on Mars sp

17、eed boots online teacher a Need someone to teach you any time, any place?b Living in a space house is func All about the newest spacecraft that travel in spaced Out shoes can make you walk faster!e Robots could be of great help to people on Mars.f The population on the Earth is still increasing rapi

18、dlyKeys: crowded planet The population on the Earth is still increasing rapidlyspacecraft All about the newest spacecraft that travel in space speed boots Our shoes can make you walk faster!space houses Living in a round house is fun robot on Mars Robots could be of great help to people on Marsonlin

19、e teacher Need someone to teach you any time, at any place?Step 6 Fast readingRead the article quickly and find out the keyword of each paragraph.Para 1Para 2Para 3Para 4Para 5Para 6Para 7Keys:Para 1 Crowded, polluted (population , pollution)Para 2 TransportPara 3 Food, water and airPara 4 GravityPa

20、ra 5 HomePara 6 SchoolPara 7 LifeStep 7 Listen to the recording and answer the following questions. 1. Why do people need to move to Mars?2. How long will it take to flay to Mars at present? 3. Will space travel make people feel ill?4. Will gravity on Mars be a big problem?5. How will students study

21、?Keys: Earth is becoming more and more crowded and polluted.Several months.Yes.Maybe, but we can wear special boots to prevent floating.They will study at online schools with “e-teachers”.Step 8 Careful readingRead each paragraph carefully and find out the answers to the questions 1. What vehicle do

22、 people use to Mars at present? And how long does it take? 2. What vehicle may people use to go to Mars in the future? 3. What are the problems of living on Mars?4. What will food on Mars be like?5. Is gravity on Mars a big problem? Why?6. What may happen then? 7. What kind of shoes should people we

23、ar?8. What kind of house may people live in ? 9. Who will do most of our work? 10. What kind of school will students study in? And what do they call their teacher?Keys: Spacecraft. Months.Space shuttles. Only 20 minutes.Scientists are not sure whether would be enough water or oxygen on Mars and prod

24、uce the food, water and oxygen.Maybe the food will be in the form of pills.Yes, it is. Because the gravity on Mars is three-eighths of the gravity on Earth. People may float off into space.People should wear special boots.They might live in houses with huge comfortable rooms.Robots will do most of o

25、ur work.There would probably be no schools on Mars. They will study at online schools with “e-teachers”.Step 9 Discuss Differences between life on Earth and life on Mars.Life on the Earth today Life on Mars in 2100It is polluted and crowed.It would be clean and have lots of space.Spacecraft are slow

26、.There is enough water and oxygen.There are many kinds of tasty food.Gravity is not a problem for us.Many people live in small flats.People have little time to relax.Students study at real schools.Keys: At the speed of light.Nobody knows whether there would be enough water or oxygen.Food will probab

27、ly be in the form of pills.We must wear special boots.People will have more space.They will have more time to relax.At online schools.Step 10 Homework1. Read the passage aloud.2. Find out the difficult sentences and discuss them with your classmates.Reading IITeaching aims:To learn words, expression

28、s and sentences in Reading.Step 1 ReviewReview the article and finish activity 3.Step 2 Language points1. Our own planet, the Earth, is becoming more and more crowded and polluted because of the rapid increase in population. 我们自己的星球, 地球, 由于人口的快速增长, 变得越来越拥挤, 污染越来越严重。 辨析：fast, quick和rapid 【梳理】1) fast既

29、可用作形容词又可用作副词, 主要表示人或物体本身的速度快, 如汽车开得快、人走得快、时间过得快等。2) quick常用作形容词, 主要表示反应快、动作敏捷。3) rapid是正式用语, 只用作形容词, 语气较强, 常用于表示抽象意义的“快速的”, 如价格涨得快、社会变革快等。【运用】选用fast, quick或rapid填空。1) My brother ate a _ breakfast and went to school in a hurry.2) Tom runs so _ that I cant catch up with him.3) We saw the _ development

30、 of the society these years.2. It is hoped that people could start all over again and build a better world on Mars.人们有望能够在火星上重新开始，建设一个更好的世界。句型 It is hoped that表示“可以指望”，指说话者希望如此。如：我们希望在本周前完成此项目。_ we can finish the project before this weekend.3. At present, our spacecraft are too slow to carry large n

31、umbers of passengers to Marsit would take months.目前，我们的宇宙飞船太慢了，无法运送大批的乘客火星因为要花几个月的时间。句中的large numbers of表示“大量的”，也可以说成 a large number of 。如: 很多人在国庆假日去旅游。 _ people go travelling during the National Day holiday. 4. With the development of technology, by the year 2100, the journey might only take about 20 minutes in space