初中英语人教版（2024）八年级下册（2024）Unit 5 Nature's TemperSection B教学设计

这是一份初中英语人教版（2024）八年级下册（2024）Unit 5 Nature's TemperSection B教学设计，共19页。PPT课件主要包含了I will ，forecasts，houses，dangerous，died，suddenly，safe等内容，欢迎下载使用。
Learning Objectives
T master the cre wrds and phrases, understand the main infrmatin f the text, and participate in discussins in English.
T learn actively fllwing classrm situatinal tasks, srt ut textual infrmatin independently, cmplete classrm tasks accrding t yur wn situatin, and imprve cperative and inquiry abilities.
T understand the prfessinal value f strm chasers, recgnize the dedicatin spirit f "retrgrade heres" at hme and abrad, respect different ccupatins, and learn t cherish a safe life.
T rt ut the lgic f the text, view the significance f dangerus ccupatins dialectically, assciate strm chasers with heres arund yu, and develp the ability t think frm multiple perspectives.
What bad weather can yu see in the vide?
1. Are yu afraid f big strms?
2. What will yu d when a trnad cmes?
Yes, ... / N, ...
But sme peple g ut t chase trnades. Why? What d they d? Let's read their stry tgether.
Are yu afraid f big strms? Many peple are. But did yu knw sme peple g ut t chase trnades? Such strms can hit suddenly and mve very quickly, s strm chasers always have t be prepared. When a trnad is abut t hit, prfessinal strm chasers try and get clse t it t cllect imprtant infrmatin. Strm chaser Tim Samaras designed and built many different instruments fr studying trnades. Thrughut his career, the engineer chased dwn mre than 120 trnades. Often, he filmed the strms while they were happening just a few kilmetres away. During a strm, strm chasers put special equipment in the way f the trnad. The equipment cllects infrmatin abut things such as wind speed and air pressure. This helps scientists t make better frecasts. It can even help peple understand hw pwerful the winds can be, and as a result, change hw we build ur huses. Strm chasing can be exciting, but als very dangerus. The strm chasers’ knwledge and experience are nt always enugh t keep them safe. On 31 May 2013, Samaras and his team were chasing the El Ren trnad in Oklahma, USA. T their surprise, the trnad behaved in an unexpected way. It grew rapidly and changed its speed and directin. On that terrible day, the largest trnad ever recrded appeared. It was 4.2 kilmetres wide and had winds tpping 480 kilmetres per hur. While the trnad was mving twards them, Samaras and his team were driving as fast as they culd. Sadly, when the trnad hit their car, it threw their car int the air like a ty. All three men in the car died. The stry f Tim Samaras is very sad, but his wrk cntinues t play an imprtant rle in weather science. Thugh strm chasing remains a dangerus jb, the gal f strm chasers is t learn mre abut strms t keep peple safe. Fr peple like Samaras, that gal makes it all wrth it.
Which sentence best describes the main idea f the passage?
A. Strm chasing is very exciting.B. Strm chasing is dangerus but imprtant.C. Tim Samaras chased mre than 120 trnades.
Strm Chasing: A Dangerus but Imprtant Jb
Read the passage and chse the right answer.
Intrduce the special jb f strm chasing
Explain the wrk and value f strm chasers
Shw the danger f strm chasing by a sad stry
Highlight the meaning and spirit f strm chasing
Read Para. 1 and answer the questins.
1. What d mst peple d when big strms cme?
Mst peple are afraid f big strms and will avid them.
Are yu afraid f big strms? Many peple are. But did yu knw sme peple g ut t chase trnades? Such strms can hit suddenly and mve very quickly, s strm chasers always have t be prepared.
2. What d sme peple d instead?
Sme peple g ut t chase trnades.
3. Why must strm chasers always be prepared?
Because trnades can hit suddenly and mve very quickly.
Read Para. 2-3 and fill in the blanks.
When a trnad is abut t hit, prfessinal strm chasers try and get clse t it t cllect imprtant infrmatin. Strm chaser Tim Samaras designed and built many different instruments fr studying trnades. Thrughut his career, the engineer chased dwn mre than 120 trnades. Often, he filmed the strms while they were happening just a few kilmetres away. During a strm, strm chasers put special equipment in the way f the trnad. The equipment cllects infrmatin abut things such as wind speed and air pressure. This helps scientists t make better frecasts. It can even help peple understand hw pwerful the winds can be, and as a result, change hw we build ur huses.
/prəˈfeʃənl/专业的
/ɪˈkwɪpmənt/设备
frecast /ˈfɔːkɑːst/ n./v.预测，预报
Jb f strm chasers
Tim Samaras’ jb
Tim Samaras’ achievement
Infrmatin cllected
Imprtance f the wrk
Get clse t trnades t ________________________
He was a strm chaser and an ___________
He chased ver ___________ trnades
Wind speed and ___________
Help scientists make better _________Help peple understand the______ f winds and imprve ___________
cllect imprtant infrmatin
air pressure
huse building
Read Para. 4-5 and judge True (T) r False (F).
Strm chasing can be exciting, but als very dangerus. The strm chasers’ knwledge and experience are nt always enugh t keep them safe. On 31 May 2013, Samaras and his team were chasing the El Ren trnad in Oklahma, USA. T their surprise, the trnad behaved in an unexpected way. It grew rapidly and changed its speed and directin. On that terrible day, the largest trnad ever recrded appeared. It was 4.2 kilmetres wide and had winds tpping 480 kilmetres per hur. While the trnad was mving twards them, Samaras and his team were driving as fast as they culd. Sadly, when the trnad hit their car, it threw their car int the air like a ty. All three men in the car died.
/ˈræpɪdli/快速地, 迅速地
1. Tim Samaras died while chasing the El Ren trnad in 2013. ( )2. The trnad changed its speed and directin as expected. ( )3. The El Ren trnad was the largest ne ever recrded. ( )
unexpectedly
1. Why did Tim and his team lse their lives?
2. What did they chase strms fr?
Because the trnad changed its speed and directin unexpectedly. They tried t run away but failed, and the trnad hit their car.
They chased strms t cllect infrmatin abut trnades. They wanted t help scientists make better frecasts and keep peple safe.
Chasing strms is nt taking risks, but fr prtectin. Strm chasers are great and wrth ur respect.
Read Para. 6 and answer the questins.
The stry f Tim Samaras is very sad, but his wrk cntinues t play an imprtant rle in weather science. Thugh strm chasing remains a dangerus jb, the gal f strm chasers is t learn mre abut strms t keep peple safe. Fr peple like Samaras, that gal makes it all wrth it.
1. What is the gal f strm chasers?
Their gal is t learn mre abut strms t keep peple safe.
2. Why is Tim Samaras' wrk still imprtant tday?
Because his wrk cntinues t play an imprtant rle in weather science.
3. What can we learn frm strm chasers like Tim Samaras?
We can learn curage, respnsibility(责任感) and the spirit f dedicatin(奉献). /...
Read the text and cmplete the summary.
A trnad is a type f strm. It can hit __________ and mve very quickly. Strm chasers get clse t trnades t cllect imprtant ___________. can help scientists t make better __________ . It can als change hw peple build ________ . Hwever, strm chasing can be a very __________ jb. In 2013, Tim Samaras and his team _________ when they were chasing the El Ren trnad. But strm chasers tday cntinue t d such wrk. Their gal is t keep peple __________.
Discuss the questins. Then share yur ideas in class.
1. What d yu think f Tim Samaras’s jb as a strm chaser?
His jb is dangerus but great and meaningful. He is brave and full f dedicatin(奉献)./...
2. What d yu need t be a gd strm chaser?
We need curage, prfessinal knwledge, patience and a strng sense f respnsibility./...
3. D yu knw f any ther dangerus jbs? Why d peple d them?
Yes. Firefighters and plice fficers have dangerus jbs. They d them t prtect peple and keep ur sciety safe./...
Strm chasers need prfessinal knwledge, curage, respnsibility and the ability t react quickly. Their jb is dangerus, but mre imprtant and meaningful.
Fcus n actin verbs
Language Pints
1. When a trnad is abut t hit, prfessinal strm chasers try and get clse t it t cllect imprtant infrmatin.
当龙卷风即将来袭时，专业的风暴追逐者会设法靠近它，以收集重要信息。
be abut t d sth意为“即将做某事”，eg: I was abut t leave when the phne rang.
get clse t意为“接近”。
2. It can even help peple understand hw pwerful the winds can be, and as a result, change hw we build ur huses.
它甚至能帮助人们了解风力有多强，进而改变我们改造房屋的方式。
as a result意为“结果”，eg: He wrked hard. As a result, he passed the exam.
3. Thugh strm chasing remains a dangerus jb, the gal f strm chasers is t learn mre abut strms t keep peple safe.
尽管追逐风暴依旧是份危险的工作，但风暴追逐者的目标是更多地了解风暴，以保障人们的安全。
thugh意为“尽管”，引导让步状语从句。keep sb + adj.意为“使…… 保持某种状态”，eg: Ding exercise keeps us healthy.
Strm Chasing
Dn’t let yur ______ cntrl yu. Try t calm dwn.
True curage is nt being fearless, but chsing t mve frward even when yu are afraid. Strm chasers chase strms nt fr thrills(刺激), but fr the safety f thers. They use their wn risks t prtect mre peple, turning danger int hpe.