人教版必修3_Unit+4+Astronomy_+the+science+of+the+stars+

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a visit to the moon

Unit 4

(using language)

A Visit to the Moon

1. gravity

2.gradually

3.float

4.mass

5.lessen

6.exhausting

by and by

To be held up in air, gas or on the surface of liquid

Quantity of matter, without regular shape;

Tiring

make or become less

Force of attraction between any two objects,esp. that force which attracts objects towards the center of the earth.

1. Who is the first Chinese astronaut to go into space?

2. What was the date when he circled the earth in space?

A. November 15, 2003 B. October 15, 2003

C. September 17, 2004 D. December 17,2004

3. Which country first sent people up to space?

4. So far, how many countries have succeeded in sending people up to space?

5. Who is the first man landing on the moon?

Yang Liwei

A

The Soviet Union

Three

Armstrong (America, 1969)

China’s first astronaut--------Yang Liwei

杨利伟小档案

(来源:解放军报)

出生年月:1965年6月21日

籍贯:**_*县

政治面貌:中共党员

身高:168厘米

体重:65公斤

简历:1983年6月入伍，1987年毕业于中国人民解放军空军第八***，曾飞过强击机、歼击机等机型。1998年1月，成为中国首批航天员之一。

Who was the first person that stepped onto the moon?

Neil Armstrong

Neil Armstrong was born in Ohio（美国俄亥俄州） in 1930. He was a pilot in the U.S. Air force before he entered the space program（太空计划）. In July of 1969, he commanded（指挥） the Apollo 11（阿波罗11号） and landed on the moon. He made history by walking on the moon firstly. 

July 20th

1969

The photo from the moon

rocket

1. Who had a chance to travel to the moon?

2.How did they travel to the moon?

3.Was there anything changed on their journey?

Questions

4. How many times would the force of gravity change on their journey? When? Which change would be the most powerful? What about his weight?

Questions

On the moon

The change of gravity

In space

Very strong

Disappeared

Very light

Leave the earth

He became very heavy.

He had no weight and could float weightlessly around in their spaceship.

He was about one-sixth of his weight on the earth.

Read the passage and fill in the form.

Last month I visited the moon with my friend. Before we left, I was told the force of g_____ would change three times on our journey. Then we took off. As we left the earth, I became very h_____. 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.

gravity

heavy

lessened

disappeared

floated

cheered up

now that

frightening

break out

Retell

translation

1．太阳系 _____________

2．及时，总有一天 _____________

3．阻止，制止 ______________

4．依靠，信赖 ______________

5．感到高兴 ______________

6．既然，由于 ______________

7．蔓延 ______________

8．一般而言 ______________

9．除了---之外还 ______________

10. 作一次太空旅行______________

solar system

in time

prevent from

depend on

cheer up

now that

spread

generally speaking

as well as

make a trip into space

11．熟悉，掌握 _____________

12．突发，爆发 _____________

13．增多，使繁殖 _____________

14．大气层，气氛 _____________

15．随着时间的流逝____________

16．与XXXXX不同 ______________

17．冷却 _______________

18．失重地 ________________

19．全球变暖 ________________

20．地心引力 ________________

get the hang of

break out

multiply

atmosphere

As time went/goes by

be different from

cool down

weightlessly

global warming

gravity

21．产卵　　　　_____________

22．在表面上　　_____________

23．两倍远　　　_____________

24．非常幸运　　_____________

25．向某人解释　____________

26．靠近，接近　______________

lay eggs

on its surface

twice as far as

lucky enough

explain to sb

get close to

be off

Surf the internet and find out what preparation we should make if we planned to take a space journey.

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