仁爱科普版Unit 4 Amazing ScienceTopic 2 I’m excited about the things that will be discovered in the futur

这是一份仁爱科普版Unit 4 Amazing ScienceTopic 2 I’m excited about the things that will be discovered in the future.公开课ppt课件，共20页。PPT课件主要包含了The sun，The earth，The moon，planets等内容，欢迎下载使用。
Knw abut Mars.Learn “A+be+倍数+as+adj./adv.原级+as+B”.Be able t write an e-mail abut Mars and ask fr mre infrmatin abut Mars.
The life f the space
The star system
The slar system
The black hle
The universe
The small planet hits the earth
distance frm the sun?
temperature?
What d yu knw abut Mars ?
____ 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.
The temperature n Mars is between -138 ºC and 28ºc.
Its diameter is 53% as wide as that f the earth.
It takes a spaceship abut 8 mnths t reach Mars ...
1a Lk at the pictures and predict which statements are true abut Mars. Then read the passage quickly and check the answers.
1a Read and understand.
1. be named after/ be named by
1) be cvered by+（人/组织/机构 ...） :表动作,由...承担/负担/支付;被...掩护/报道/监视/控制等等,表示抽象的概念, 后面接人, 机构, 或者组织.All rads have been cvered by the plice .
万达广场以公司“万达”为名。/阿里巴巴是由马云命名的。
Alibaba Crpratin was named by MaYun.
Wanda Plaza was named after Wanda.
2) be cvered with+（雪/草地/烟雾 ...） : 被...覆盖,表状态,表示具体的覆盖.如被雪/草地/布/被子/盖子/罩子等东西盖住. The grund is cvered with water.
2.be cvered by/with
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.
A+be+倍数+as+adj./adv.原级+as+B
A+be+倍数+adj./adv.比较级+than+B
1b Read 1a again and write dwn the infrmatin abut Mars.
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
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?
1c Discuss the crazy questins with yur partner and state yur reasns.
2 Kangkang’s uncle sent an e-mail t him frm Mars. Chse the right wrds t 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
(1) Wh is this e-mail frm and t? (2) Hw lng did it take them t get there? (3) Did everything g well during the jurney?
Read 2 and answer the questins.
It is frm Uncle Stephen t Kangkang.
Mre than tw years.
N, it didn’t.
clthing fd and drinks weather transprtatin …
3a Write back an e-mail t Uncle Stephen fr Kangkang and ask him fr mre infrmatin abut Mars. The list may help yu.
Dear Uncle, I’m very glad t receive yur e-mail, and I knw that the living cnditins were quite bad during yur jurney. I am interested in the infrmatin abut Mars. Can yu tell me mre abut it ? Hw abut the weather n Mars? Is it very cld? What kind f transprtatin d yu use there? I am lking frward t yur e-mail! Gd luck! Yurs, Kangkang
3b Wrk in pairs. Check yur partner’s e-mail and use yur knwledge f Mars t answer the questins fr Uncle Stephen.
We learn:1. Sme wrds: Rman，diameter, strm, weigh, gravity 2. Sme phrases: be named after, slar system，at a distance f, search fr We can: 1. Talk abut smething mre abut Mars.
1.be named after__________ 2.at a distance f_________3.be cvered by__________ 4. be clset t____________5. 围着...转_____________ 6.太阳系___________7.直径_________________ 8.风暴_____________9.重力、引力___________ 10 搜寻_____________
slar system
search fr