《英语》（九年级下册）
Unit 4 Life on Mars
Task
I. Teaching aims and learning objectives
By the end of the lesson, students should be able to:
complete a spidergram;
use the spidergram to organize their ideas;
complete the draft with the information in the spidergram;
write a guide to living on another planet.
II. Teaching contents
1. New words and phrases: electronic, goods, entertainment, a guide to living on Mars, feel like, prefer to do
2. New structures: Goods from the Earth are hard to find.
Here is a guide to living on Mars in the future.
III. Focus of the lesson and predicted area of difficulty
Make a spidergram and write a guide to living on another planet.
IV. Teaching procedures
Step 1 Lead-in
1. Revision
T: Daniel wants to know something about living on Mars. Can you tell him the differences between our Earth and Mars?
S: There isn’t enough water or oxygen on Mars. There is less gravity. However, there is more space for people.
2. Brainstorming
T: Daniel wants to know what life could be like on Mars. Let’s have a discussion and help him know more about it.
If there isn’t enough water or oxygen on Mars, what would life be like?
S: Plants wouldn’t grow.
People would have to eat dried food.
Food would be in the form of pills and would not be so tasty.
Oxygen would be provided everywhere.
T: If there is less gravity, what would life be like?
S: People would have to wear special boots to prevent them from floating off into space.
They would need sleeping bags to keep them in place while sleeping.
Everything would float in the air.
T: If there is more space, what would life be like?
S: Humans would live in houses with huge comfortable rooms.
Traffic would not be so heavy.
Humans would have more time and places to relax themselves.
【设计意图：由回答三个问题引入本课，学生通过积极的思考与讨论，既复习了之前所学的内容，也为下一个教学过程的进行做好了铺垫。】
Step 2 Learn about the spidergram
1. Learn to organize ideas
T: Before visiting a new place, we should get as much information as possible. Most of the visitors are interested in four keywords most, clothing, food, housing and transport. We have just talked about what life would be like on Mars. Can you separate these ideas into different groups?
S:
Clothing
Food
Housing
Transport
People would have to wear special boots to prevent them from floating off into space.
.....
Plants couldn’t grow.
People would have to eat dried food.
Food would be in the form of pills and would not be so tasty.
...
Air is provided at home.
They need sleeping bags to keep them in place while sleeping.
Humans could live in houses with huge comfortable rooms ...
Everything will float in the air.
Traffic would not be so heavy.
...
T: Look, this is a spidergram. It can help us organize our ideas better.
【设计意图：通过从服装、食物、住房、交通四个方面对要点进行梳理，让学生初步了解蛛网图的结构，为下面完成任务做好准备。】
2. Practice
Task One: Complete the spidergram in Part A.
T: Now Daniel is making a guide to living on Mars in the future on his own. Let’s give him a hand. Look at the spidergram together. How many groups are there in it? What are they?
S: There are four, money, entertainment, shopping and transport.
T: Work in groups and complete the spidergram together.
Task Two: Make sentences with the information in the spidergram.
T: Can you tell me something about money/entertainment/shopping/transport on Mars?
S: Money on Mars is electronic. It is stored in the Planet Mars Bank. ￥1 is worth around
M$10.
...
【设计意图：第一个任务锻炼了学生分类整理信息的能力，第二个造句的任务则帮助学生更好地理解这些信息，为接下去填表的任务扫清障碍。】
Step 3 Learn about Daniel’s draft
Task Three: Help Daniel complete the draft.
T: Daniel is writing his draft. Help him complete it. Use the information on Page 62 to help you.
T: What is Daniel’s draft about?
S: It’s about a guide to living on Mars in the future.
T: What is each paragraph about?
S: Paragraph One: Beginning
Paragraph Two: Money
Paragraph Three: Entertainment
Paragraph Four: Shopping
Paragraph Five: Transport
Paragraph Six: End
【设计意图：学习并了解Daniel草稿的写作要点和格式，为完成写作任务做好准备。】
Step 4 Writing
T: Life on Mars is completely different from life on Earth. I want to know more about it. Can you tell me about the food, animals, plants, weather and schools on Mars?
Fist, make a spidergram to organize your ideas. Then, write a guide to living on Mars. You can also draw some pictures if necessary.
【设计意图：通过完成之前的各种学习任务，学生已经一步一步掌握运用蛛网图来组织自己观点并完成写作的方法。因此，完成最后的写作任务对于学生来说水到渠成，也是对本课所学的内容的一个升华。】
V. Homework
1. Review ways to make a spidergram.
2. Look for some information and write a guide to living on another planet.
课件22张PPT。Unit 4 Life on Mars Tasknot enough water or oxygenless gravitymore space for peopleEarthMarsLife on MarsIf there isn’t enough water or oxygen on Mars, what would life be like?Plants wouldn’t grow.People would have to eat dried food.Food would be in the form of pills and would not be so tasty.
Oxygen would be provided everywhere.Life on MarsIf there is less gravity, what would life be like?People would have to wear special boots to prevent them from floating off into space.They would need sleeping bags to keep them in place while sleeping.Everything would float in the air.Life on MarsIf there is more space, what would life be like?Humans would live in houses with huge comfortable rooms.
Traffic would not be so heavy.Humans would have more time and places to relax themselves. clothingfoodhousingtransportPlants wouldn’t grow.
People would have to eat dried food.
Food would be in the form of pills and would not be so tasty.
Oxygen would be provided at home.
People would have to wear special boots to prevent them from floating off into space.
They would need sleeping bags to keep them in place while sleeping.
Everything would float in the air.
Humans would live in houses with huge comfortable rooms.
Traffic would not be so heavy.
Humans would have more time and places to relax themselves.
Life on Marsclothingspecial boots fooddried foodin the form of pillshousingtransportprovide oxygensleeping bagfloat no heavy
traffic huge comfortable roomspidergramHelp Daniel complete the spidergram.Life on MarsmoneyStored in the
(1)____ EntertainmentOnline games
are very popular(2)__shoppingtransport(5)___Lots of
shopping mallscomfortable (7)___Electronic ￥1 is worth
around M$10. (3)__(4)__(6)___(8)___fbehdgacCan you tell me something about money on Mars?moneyStored in the
Planet Mars BankElectronic ￥1 is worth
around M$10. Money on Mars is electronic.
It is stored in the Planet Mars Bank.
￥1 is worth around M$10 on Mars. Can you tell me something about entertainment on Mars?EntertainmentOnline games are very popularLow-gravity basketball gamesMany online theatresVisit the two moonsOnline games are very popular on Mars.
There are many online theatres too.
People would like to watch the low-gravity basketball games.
There are two moons for people to visit.Can you tell me something about shopping on Mars?There are lots of shopping malls on Mars.
Space clothes and food are sold in them.
Goods from the Earth are hard to find on Mars.shoppingSpace clothes and foodLots of
shopping mallsGoods from the Earth are hard to findCan you tell me something about shopping on Mars?The public transport system on Mars is comfortable.
There is no air pollution.
Cars can float in the air on Mars.transportcomfortable Cars float in the airTraffic with no air pollutionHere is a guide to living on Mars in the future.
On Mars, we use Mars dollars. We get about M$10 for every ￥1, but we never see any of it! Mars dollars are electronic and are stored in the (1)______________.
A very popular form of entertainment is online games. They make us feel like we are really inside the games! There are also many (2)______ theatres. There are (3)________ to visit but most people may prefer to watch the amazing low-gravity (4)______________ instead.Planet Mars Bankonlinetwo moonsbasketball gamesHelp Daniel complete the draft.There are lots of (5)____________ on Mars. They sell (6)_____________ and food. Most things are cheap on Mars. Goods from the Earth are (7)____________.
The public transport system is (8)_________, and it produces (9)____________. If you want to drive, you can buy a car which (10)________________!
Life on Mars is interesting, isn’t it?shopping mallsspace clotheshard to findcomfortableno air pollutioncan float in the airHere is a guide to living on Mars in the future.
On Mars, we use Mars dollars. We get about M$10 for every ￥1, but we never see any of it! Mars dollars are electronic and are stored in the (1)______________.
A very popular form of entertainment is online games. They make us feel like we are really inside the games! There are also many (2)______ theatres. There are (3)________ to visit but most people may prefer to watch the amazing low-gravity (4)______________ instead.Planet Mars Bankonlinetwo moonsbasketball gamesWhat is Daniel’s draft about?What is each paragraph about?beginningmoney on Marsentertainment on MarsThere are lots of (5)____________ on Mars. They sell (6)_____________ and food. Most things are cheap on Mars. Goods from the Earth are (7)____________.
The public transport system is (8)_________, and it produces (9)____________. If you want to drive, you can buy a car which (10)________________!
Life on Mars is interesting, isn’t it?shopping mallsspace clotheshard to findcomfortableno air pollutioncan float in the airshopping on Marstransport on MarsendLife on MarsfoodanimalsplantsweatherweatherMake a spidergram to organize your ideas.Here is a guide to living on Mars in the future.
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Read your guide to your group members.
Each group recommends a guide and reads it to the whole class.Homework
1. Review ways to make a spidergram.
2. Look for some information and
write a guide to living on another
planet.
