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牛津译林版英语九年级下册
Unit4 Life on Mars第二课时教学设计
课题 Life on Mars 单元 Unit 4 学科 English 年级 9
学习目标 Knowledge aims: To learn some new words and expressions Ability aims: 1.To recognize and read words of life on Mars.2. Identify and list the differences lives between earth and Mars.Emotional aims: To love the nature and treasure our globe
重点 Identify and list the differences lives between earth and Mars.
难点 Identify and list the differences lives between earth and Mars.
教学过程
教学环节 教师活动 学生活动 设计意图
导入新课 一、Let's enjoy a video and discuss what's the problem on Earth？Maybe we could move to Mars.二、Review the knowledge of Mars we have learned . watch a short video and do Free talk Review the knowledge of Mars we have learned . 利用视频，创设情境让学生在视觉上受到刺激，培养学生热情快乐，积极向上的生活态度巩固知识，为下面的阅读学习做准备。
讲授新课 一、Daniel is looking for more information on the Internet. Help him match the keywords with the links. crowded planet space houses spacecraft robot on Mars speed boots online teacher a Need someone to teach you any time, any place b Living in a space house is fun…c All about the newest spacecraft that travel in space…d 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 rapidly…Keys: crowded planet The population on the Earth is still increasing rapidly…spacecraft 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 Mars…online teacher Need someone to teach you any time, at any place 二、Read the article quickly and answer What is the article mainly about Next,find out the keywords 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 GravityPara 5 HomePara 6 SchoolPara 7 Life三、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 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”.四、Read each paragraph carefully and find out the answers to the questions (1)What vehicle do 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 wear (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 produce 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 our work.There would probably be no schools on Mars. They will study at online schools with “e-teachers”.五、Talk about the differences between life on Earth and life on Mars.It is polluted and crowed.It would be clean and have lots of space. Spacecraft are slow.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 probably 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.六、Read the passage and do some T or F exercise( )1. Humans need food, water and air to survive.( ) 2. Plants can produce oxygen and water that humans need. ( ) 3. Mars has threes times the gravity of Earth.( ) 4. The boots will be fashionable and there will be different kinds of designs for settlers to choose from.7.Is life on Mars always better than life on Earth today Let's have a free talk and discuss. Help him match the keywords with the links. find out the keywords of each paragraph.Listen to the recording and answer the following questions.Read each paragraph carefully and find out the answers to the questions Talk about the differences between life on Earth and life on Mars.Read the passage and do some T or F exercises 训练学生搜集资料的能力初读了解文章大意提升体力理解能力，进一步加深对课文的理解。深入阅读，提升精读能力和思维能力。提升口语交流能力检验阅读效果
课堂小结 和老师一块总结 梳理本节课所学知识，加深记忆，巩固知识。
作业 Homework1. Read the passage aloud.2. Find out the difficult sentences and discuss them with your classmates. 课下巩固与课堂学习相结合。
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Unit 4 Life on Mars
Reading 1
牛津译林版 九年级下
Lead-in
What's the problem on Earth？
Let's enjoy a video
crowded
polluted
Maybe we could move to Mars
Lead-in
Move to Mars
Lead-in
Mars is red and it is next to the earth.
The surface of Mars is a little like the surface of Earth.
95 percent carbon dioxide
Review
What would it be like to live on Mars
Right, and we would need special boots, too.
What would it be like to live on Mars
I agree with you. And we would have to eat dried food. I think dried food is not quite delicious.
Well, there’s less oxygen on Mars. We would need space helmet and air tank.
Lead-in
Review
Yes, but there would be no pollution on Mars.
Well, that’s quite nice.
Lead-in
Daniel is looking for more information on the Internet. Help him match the keywords with the links.
Review
Pre-reading
a Need someone to teach you any time, any place
b Living in a space house is fun…
c All about the newest spacecraft that travel in space…
d Our 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 rapidly…
crowded planet
space houses
spacecraft
robot on Mars
speed boots
online teacher
a
b
c
e
d
f
Read the article quickly and answer
Presentation
What is the article mainly about
Life on Mars.
Next,find out the keywords of each paragraph.
Fast-reading
Para 1
Para 2
Para 3
Para 4
Para 5
Para 6
Para 7
Crowded
polluted
(population , pollution)
Transport
Food
water and air
Gravity
Home
School
Life
Listen to the recording and answer the following questions.
Listening
1. Why do people need to move to Mars
2. How long will it take to fly to Mars at present
3. Will space travel make people feel ill
Earth is becoming more and more crowded and polluted.
Several months.
Yes.
Listening
4. Will gravity on Mars be a big problem
5. How will students study
Maybe, but we can wear special boots to
prevent floating.
They will study at online schools
with “e-teachers”
Read each paragraph carefully and find out the answers to the questions
Careful-reading
1. What vehicle do 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
Spacecraft.
Months.
Space shuttles.
Only 20 minutes.
Careful-reading
3. What are the problems of living on Mars
4. What will food on Mars be like
Scientists are not sure whether would be enough water ,oxygen or food on Mars .
Maybe the food will be in the form of pills.
Careful-reading
5. Is gravity on Mars a big problem Why
6. What may happen then
Yes, it is. Because the gravity on Mars is
three-eighths of the gravity on Earth.
People may float off into space.
Careful-reading
7. What kind of shoes should people wear
8. What kind of house may people live in
People should wear special boots.
They might live in houses with huge
comfortable rooms.
Careful-reading
9. Who will do most of our work
10. What kind of school will students study in And what do they call their teacher
Robots will do most of our work.
There would probably be no schools on Mars. They will study at online schools with “e-teachers”.
Find out the differences between life on Earth and life on Mars.Fill in the table below and have a free talk.
Free-talk
Life on the Earth today Life on Mars in 2100
It is polluted and crowed.
Spacecraft are slow.
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.
At the speed of light.
Nobody knows whether there would
be enough water or oxygen.
Food will probably be in the form of pills.
We must wear special boots.
It would be clean and have lots of space.
People will have more space.
They will have more time to relax.
At online schools.
The differences
Practice
( ) 1. Humans need food, water and air to
survive.
( ) 2. Plants can produce oxygen and water
that humans need.
( ) 3. Mars has threes times the gravity of
Earth.
( ) 4. The boots will be fashionable and there
will be different kinds of designs for
settlers to choose from.
Read the passage and do some T or F exercises
T
F
F
T
Read and fill in the blanks about life on Mars
Practice
Life on Mars
Advantages Disadvantages
1.People will have ________ space. _______ will do most of our work. 2.We’ll have more time for ___________. 3.Students will study in ___________ schools. 1. Meals will probably be in the form of ______ and will not be as ________ as they are today.
2.Space travel makes people
feel ______
and very__________________.
more
Robots
hobbies
online
pills
tasty
ill
uncomforable
Is life on Mars always better than life on Earth today Let's have a free talk.
Free-talk
No, it isn’t.
Life on Mars will be better in many ways.
However, in some ways, life on Mars may not be better than life on Earth today.
For example
Now,Let' have a debate .
Is life on Mars always better than life on Earth today Let's have a free talk.
Debate
Is life on Mars always better than life on Earth today
for
against
VS
Life on Mars is better
because…
1. no pollution
2. more space
3. less homework
4. money, not important
5. be cared for by robots
……
Life on Earth is better
because…
1. gravity, not a problem
2. many types of clothes and shoes
3. many kinds of tasty food ……
Summarize
What will be changed on Mars
Life on Mars
transport
home
school
……
food
clothes
1. Read the passage aloud.
2. Find out the difficult sentences and discuss them with your classmates.
homework
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