外研版 (2019)必修 第三册Unit 3 The world of science授课ppt课件

这是一份外研版 (2019)必修 第三册Unit 3 The world of science授课ppt课件，共22页。PPT课件主要包含了Efficient，Talented，Student A，Student B等内容，欢迎下载使用。
By the end f this perid, yu will be able t:knw smething abut Alzheimer’s disease;learn sme listening skills t get useful infrmatin;tell a stry abut an inventin.
View a vide t find ut what is Alzheimer’s disease (AD).
Inventin stries
Did yu knw?Alzheimer’s disease is a brain disrder that causes prblems with memry, thinking and behaviur.The majrity f peple with Alzheime’s are 65 and abve. It is recgnised as the mst cmmn mental disease amng lder peple, and the number f sufferers is grwing. Currently, there’s n cure fr Alzheimer’s, but scientists are researching ways t imprve the quality f life fr peple living with the disease.
What is Alzheimer’s disease?
What is Alzheimer’s disease?Wh are the cmmn Alzheimer patients?Is it curable?What are scientists trying t deal with it?D yu knw any inventins related t it?
/ˈæltsaɪmə/
Lk at the pictures and describe the pictures.
a. The by is inventing smething.b. The cuple are keep an eye n the ld man.c. The ld man gets lst.d. One is drawing scks.e. The by knws where the ld man ges thrugh the phne.
Listen t the cnversatin and number the pictures in the crrect rder.
Listen again and answer: Hw many questins des the by ask?
Hw did he cme up with the idea?Hw did that mment inspire him?S hw des it wrk?
Listen again and cmplete the ntes.
a pair f scks designed fr peple with Alzheimer’s disease
a student frm New Yrk
His grandfather
gets ut f bed
Cautius abut ptential needs
Ready fr challenges
Able t tlerate failure
Inquisitive (好学的)
Vigrus (energetic)
Engrssed (absrbed)
Frm Kenneth’s stry as well as yur wn experience, what traits d yu think successful inventrs have?
Nw talk abut hw the speakers describe the stry behind an inventin. Listen again if necessary.
Learning t learn
Exclamatry sentences express strng emtins, such as surprise, shck, jy, emphasis and excitement. These are usually frmed with what r hw, and in written frm usually end with an exclamatin mark.
Act ut the cnversatin abut the inventin f the telephne.
Yu are ging t give a presentatin abut the inventin f the telephne. As part f yur research, yu speak t Student B wh has just read a bk abut it. Ask him/her questins t find ut mre infrmatin.
Infrmatin yu’d like t knw:the inventr year f inventinthe inventing prcessthe first phne callther interesting things abut the inventin
Wh was… invented?Hw was … invented?What was the first phne call abut?What ther interesting things…?
Useful expressins
Yu've just read a bk abut the inventin f the telephne.Student A, wh is ging t give a presentatin n the same tpic, asks yu fr infrmatin.
Inventr: Alexander Graham BellInventin created in: 1876
Backgrund: Bell was a teacher at a schl fr the deaf. He tried t invent a machine t send messages ver an electrnic wire. This eventually led t the idea f a telephne. Later, with his assistant, he created a device t prduce and receive sund waves using electrical signals.
First phne call: On 10 March 1876, Bell made the first clear and cmplete phne call t his assistant, saying, “Mr Watsn- cme here-I want t see yu.”
Chse anther stry f an inventin yu knw and have a similar cnversatin.
D yu knw hw were the smart phnes first invented? Wh invented them? Write a shrt passage abut it. Yu can surf the Internet fr necessary infrmatin.