初中英语仁爱科普版（2024）九年级上册Topic 2 I’m excited about the things that will be discovered in the future.精品ppt

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这是一份初中英语仁爱科普版（2024）九年级上册Topic 2 I’m excited about the things that will be discovered in the future.精品ppt课件，文件包含G9U4T2SC-课件pptx、G9U4T2SC-教案doc、G9U4T2SC-练习doc、G9U4T2SC-1amp3、G9U4T2SC-微课mp4等5份课件配套教学资源，其中PPT共27页，欢迎下载使用。

LEARNING AIMS
1. Master the wrds abut Mars2. Learn abut sme basic infrmatin abut Mars. 3. Talk abut the future life n the Mars
Knwledge Cmpetitin
1. The atmsphere f the Mars is mainly made up f __________. A. xygen B. carbn dixide C. argn 火星的大气主要是二氧化碳(95.3%)。
2. The Mars is red because there is a lt f _________ n the surface f it. A. gld B. silver C. ferric xide
火星呈现出红色，主要是因为其表面有大量氧化铁。
3. Mars has _______ natural satellites.A. neB. threeC. tw
火星有两个天然卫星：火卫一和火卫二，可能是捕获的小行星。
4. It was reprted by NASA in 2007 that there was______ n Mars. A. lifeB. saltC. water
2015年03月06日，科学家称火星表面曾非常湿润，含水量超过北冰洋。研究还发现火星地表直到大约12亿年前还存在着大量的水体。
5. After 7 mnths' flight, the explrer _____ landed n the Mars successfully n Nv 27, 2018. A. Opprtunity（机遇号）B. Spirit （勇气号）C. InSight （洞察号）
NASA于2018年5月发射的无人探测器“洞察号”于11月27日凌晨成功抵达火星登陆点，并顺利传回首张照片。
What an amazing planet Mars is !
Let’s explre it tgether!
Where is Mars?
It’s in the slar system.
Lk and guess
_____ 1. Mars lks like a red ball. _____ 2. The temperature n Mars is very high._____ 3. Mars is much larger than the earth._____ 4. Mars is t far away fr us t reach.
Read and write
53% as wide as that f the earth
red and range
during spring and summer: strng strms temperature: Between -138℃ and 28℃
abut tw-fifths as strng as it is n earth
abut 228 millin kilmeters
Read and Answer
Hw Mars gt its name?Hw far is Mars frm the sun?Can yu tell Which planet is Mars in the picture?Hw lng des it take us t reach Mars?
Read 1a and find ut the key pints.
Ca Chng weighed the elephant.
weigh [weɪ] (vt.) 重，有…重
Hw much did the elephant weigh?
put n weight
weight (n) 重量
D yu knw why the ball falls t the grund?
gravity [ɡravɪti] (n.) 引力，重力
Newtn discvered the gravity f the earth.
diameter [dai'æmitə] (n.) 直径
What is the diameter f this circle?
What is the diameter f the earth?
地球直径大约是12756千米
Mars is the furth planet frm the sun in ur slar system and is named after Mars, the Rman gd f war.
以…命名be named after
Mars ges arund the sun at a distance f abut 228 millin kilmeters.
[ 'distəns ] n. 距离，相隔
倍数/分数/百分数 as+ adj./adv.+as
Its diameter is 53% as wide asthat f the earth.
这个图书馆的书是那个图书馆的70%。
The bks in this library are 70% as many as thse in that library.
这条河是那条河的1/3深。
This river is ne third as deep as that ne.
During spring and summer, the surface f Mars is cvered by strng strms . The gravity n the surface f Mars is abut tw-fifths as strng as it is n earth.
风暴暴（风）雨
Mars, the _______ planet f the slar system, ges arund the sun at a _________ f abut 228 millin kilmeters. Its _______ is 53% as wide as that f the earth. It lks like a _____ and _______ball. It’s very beautiful. But during ________ and _______, strng __________can cver the whle__________f Mars. The gravity n the surface f it is abut ________ as_________as it is n earth.
be clsest t each ther
The Rman gd f war
at a distance f…
named after
slar system
1. Des Mars have a gd climate fr plants? 2. Is Mars a useful place t dry fruit? 3. Is Mars a gd place fr human beings t live? 4. Is Mars a cmfrtable place fr heavy peple?
Mre challenges
1.Hw many planets are there in the slar system?
2.When is the surface f Mars cvered by strng strms?
3.If yu weigh 50 kils n earth ,hw much will yu weigh n Mars?
4.Hw far is it frm the sun t Mars?
5.What is the fifth planet in the slar system?
6.这条铁路是以詹天佑命名的。
7.这条河流是那条河流的2倍长。
8.What’s the temperature n Mars?
We learn: 1. Sme wrds: strm, weigh，diameter, gravity 2. Sme phrases: named after ,as…as, at a distance f 3. Sme sentences: (1) Its diameter is 53% as wide as that f the earth. (2)The gravity n the surface f Mars is abut tw-fifths as strng as it is n earth. We can : Talk abut smething mre abut Mars.
Cmplete the letter.
Hi Kangkang,It has been tw days_________( since ,frm) we landed n Mars. It _________(cst, tk) us mre than tw years t_________ (reach, get) here. Generally, the jurney went well, but the living cnditins were_______( quiet, quite) bad during the jurney. We had t prduce mst f the fd in the spaceship. ______________(What’s mre, What’s wrse), ur water supplies were very lw. We had t limit the use f water during _________(thse, these) days. S we had a shwer every six weeks. We will spend anther seven hundred and sixty-three days n Mars. __________( Hw, What )a lng time! I ften miss the family, but the excitement f being n Mars is wrth it!Wish me luck! Yurs, Uncle Stephen
What’s wrse