当前位置:首页 >> >>

必修三unit4 洋思公开课a_visit_to_the_moon_图文

Rao Mingyan

Learning aims:

Enjoy a video 1)Know about the main idea of the text and how the gravity changed .
2)Learn some useful phrases.

Competition:
1.True or False: 1)The earth moves around the sun. T 2)It takes the moon one day to move around the earth. F 3)Earth is the only planet moving around the sun. F 4)There is atmosphere on the moon. F

Yuri Gagarin

尤里· 加加林
Russia

the first man in space Neil Armstrong?

That's 尼尔· one small 阿姆斯特朗 step U.S.A. man, for a one giant on the The first manleap for mankind. moon

Yang Liwei

He is the first astronaut in China who traveled in space. He is a hero of our nation in our heart and mind.

Imagine: What will you need if you have a chance to visit the moon?

oxygen tanks 氧气瓶

Space Food

Spacesuits

Last month an astronomer, Li Yanping visited the moon with his friend.

Enjoy a video

Guide One
Reading the detail 2)Find
minutes. 1)Understand the main idea of each paragraph.

A information by reading for 6 visit to the moon

Skim 4 paragraphs quickly, and find out the topic of each paragraph: Para( 3 ): The things I did on the moon. Para(4 ): We turned back to the earth. Para( 1 ): Last month, we visited the moon.

Para( 2 ): How the force of gravity changed when we traveled from the earth to the moon.

Comprehending
1. How many times would the gravity change during their journey? A. Twice B. Three times C. Four times D. Once 2. Why was the spaceship not falling back to the earth? A. Because it was too far from the earth to feel its pull. B. Because it was too big C. Because it was far from the moon. D. Not mentioned in the text.

3.Which one is NOT true according to the passage? A. The moon’s gravity is not as strong as the earth’s B. We enjoyed ourselves on the moon. C. Walking on the moon was not very easy D. Leaving the moon’s gravity was more painful than leaving the earth’s 4.Returning to the earth was very_____. A. interesting B. exciting C. frightening D. amazing

Scanning

The force of gravity would change 3 times on their journey. The time The gravity changed

Left the earth In space
On the moon

1.The pull of gravity became very strong s

.

2. The gravity d disappeared and we floated weightlessly .

3. The gravity became very l . light

His weight changed three times too. Now write them down.

The weight changed
Left the earth He became very heavy.

In space

He had no weight and could float around like a feather.

On the moon

He weighted less than on the earth.

Guide two
1)Learn some useful phrases. 2)Fill in the blanks. 3)Retell the journey to the moon.

Phrases: 有机会做sth. 升空 从树上摔下 更接近于 感到高兴 向前迈步 需要练习 既然 熟悉,掌握 爆发

have a chance to do rise/ rose into the air fall/ fell from the tree get closer to cheer up step forward need a bit of practice now that get the hang of break / broke out

Last month I visited the moon with my friends. Before we left, I was told the force of gravity g_____would change three times on our journey.Then we were off.As the rocketrose into the air, we were pushed back into our seats . Gradually the weight lessened l______. When I was in space, it d_________. We disappeared f______ floated weightlessly in the cabin and I c_____ up cheered __ . When I was on the moon. I was surprised to find out even walking needs lots of practice n___ ___ gravity changed . now that The returning of the earth was very f________. We were amazed to watch fire frightening b____ ___on the outside of the ship. break out

Last month I visited the moon with my friends. Before we left, I was told the force of g____would change three times on our journey. Then we were off. As the rocket into the air, we were back into our seats . Gradually the weight l______. When I was in space, it d_________. We f______ weightlessly in the cabin and I c_____ __ . When I was on the moon. I was surprised to find out even walking needs lots of practice n___ ___ gravity changed . The returning of the earth was very f________. We were amazed to watch fire b____ ___on the outside of the ship.

Translate these sentences:
1.这是因为月球上没有空气。 there is no air This is because______________ on the moon. 2.月球引力没有地球那么强烈,所以食物会漂 浮。 as strong The gravity of the moon is not___ _____ as float ___ the earth’s, so the food will____ around.

3.我可能会发现在月球上移动是比较 困难的。
it I may find__ difficult to move around ____ ____ on the moon.

4.我需要练习一下走路,一旦我掌握了它, 就不会摔倒。
I need a ___ __ practice; once I ___ the _ bit of get ___ _____ of it ,I won’t fall over. hang

Guide three
In pairs discuss what you need and what problems you will meet if you travel to the moon.

Discussion:
? You might have some problems: oxygen tanks氧 How to breathe 气瓶 What to wear spacesuits problem things needed on the smoon What to eat space food

…If you follow this advice, I think you will have a good time on the moon.

Discussion: If you visit the moon… 1.What problems will you meet? 2.To solve these problems, what things will you take? Example: If I had the chance to visit the moon, I might have·· ·problems: The first one is·· ,because ·· ·· ·· To solve this problem, I would take·· with me. ·· The second one is ·· ·· ·· ··

Problem1:how to breathe
I will have to carry my oxygen tanks if I go to the moon . This is because there is no air on the moon. I will put the oxygen tanks on my back so that I can breathe all the time.

Problem 2. what to eat

I will have to take my food with me. Because the gravity of the moon is not?as?strong?as?the?earth’s,?the?food? will float away. I need to bring Space Food that I can eat more easily.

Problem 3 how to move around

My last problem is how to move around on the moon. I may find it more difficult to move around on the moon. I will need a bit of practice, once I get the hang?of?it,?I?won’t?fall?over.

Language points:
1.cheer up : (cause sb to) become happier or more cheerful
当看到球队的到来,人群欢呼起来。

The crowd cheered up _____________________ when they saw the team arrive. 他带她去听音乐会来使她高兴。 to the concert He took her _____________ to cheer her up ____________.

2.get the hang of sth.

(a)learn how to operate or do sth (b)grasp the meaning of sth said or written

I’ve been trying to get the hang of this new typewriter. 我一直想知道这部新的打字机的用法. I don’t quite get the hang of your argument. 我不十分了解你的论据的意义.

3.now that: because of the fact (that)
Now that you’ve grown up, you can decide it yourself.

Now?that?you’ve?got?a?chance ________________________, (既然你有 机会)you should make full use of it.
4.break out: (of violent events) start suddenly 在深夜,突然有人吵架. A quarrel broke out suddenly at _________________ midnight.

We watched amazed as fire broke out on the outside of the spaceship as the earth’s gravity increased.

5.amazed 是过去分词,此处做状语用 他进来的时候没有人注意到. He came in unnoticed . _________

Surprised at what had happened, Tom didn’t know what to do. Lost / Absorbed in deep thought, he didn't hear the sound.

Homework

Write a passage explaining three problems you might meet on the moon and how you will solve it.


更多相关标签: