外研版（2024）八年级上册（2024）Starting out集体备课ppt课件

这是一份外研版（2024）八年级上册（2024）Starting out集体备课ppt课件，共25页。PPT课件主要包含了wheel，computer，科学展览会，机械臂，用材料，adj 人造的，n 挂钩，帮忙伸出援手，使某人大为惊讶，D打印机等内容，欢迎下载使用。
Learning Objectives
In this lessn, yu will:1.talk abut inventins in ur daily abut the prcess f Eastn’s what yu can learn frm Eastn.
Lk at the picture and discuss the fllwing questins.
What can yu see in the picture?
What d these things stand fr?
What des the picture mean t yu?
I can see a ladder and a light bulb. And a man is sitting n the tp f the bulb and wrking n his laptp.
The bulb stands fr new ideas and the ladder means the effrt and steps.
It means that with hard wrk (climbing the ladder), we can make ur bright ideas (the light bulb) shine.
Watch the vide and answer the questins.
1 What d yu knw abut the differences between the lives f ancient peple and urs?2 What caused these differences?
Starting ut
Lk at the pictures and answer the questins.
1 What are these inventins?2 Hw have they changed ur lives?
Si Nan / Ancient Chinese Cmpass
It helped peple find directins easily, making lng-distance trips like explring new lands r trading safer.
It made mving things and traveling faster and easier. Cars, bikes—all use wheels t help us g t places r carry lads.
It lets us wrk quickly, get infrmatin fast, and cnnect with thers easily. We can study, play, and chat nline, saving time and pening new ways t learn/have fun.
It puts everything in ur hands—calls, messages, games, and maps. We can talk t anyne, anywhere, and d tasks (like paying bills) in secnds.
Understanding ideas
Lk at the wrd clud and predict what the passage is abut.
The passage is prbably abut the artificial arm, including hw it is designed, invented, and imprved t serve as a “helping hand” .
Read the passage and check yur answer.
1 Eastn LaChappelle, a 14-year-ld student, std beside his wrkat a science fair. It was a rbtic arm. He built it ut f plasticblcks and fishing line.2 “Hell,” said a girl with an artificial arm, as she shk hands with Eastn's wrk.3 This was the first time Eastn met Jenny, a girl with a special cnditin. She was brn withut an arm. Her artificial arm was just a simple hk, but it cst $80,000. What's wrse, children like her grw quickly and need new arms all the time.
4 "It blew me away! I built my arm fr nly $300," thught Eastn. "Imust lend a hand t peple like her."5 After the fair, Eastn's rm became a lab. He stayed there all day.He always tried t imprve his wrk. Fr his 16th birthday, Eastngt a 3-D printer. And with it, he invented an artificial arm. It wasable t mve with brain signals f the user. But it wasn't gd enugh yet: the arm weighed 3.6 kilgrams. It was t heavy fr a child.
6 Eastn kept wrking n it. He enjyed fixing prblems ne afteranther. And finally he hit n success at age 23. His design nlyweighed 0.5 kilgrams and cst arund $500!7 Eastn's inventin has helped many children. He didn't want tmake mney frm it. He decided t pst his design nline... frfree! Peple can dwnlad the design and make an artificial armwith their wn 3-D printers!8 What a helping hand!
Order the fllwing events in the passage.
______ Eastn made a rbtic arm with plastic blcks and fishing line.______ Eastn allwed peple t use his design fr free.______ Eastn and Jenny met at a science fair.______ Eastn made an artificial arm with a 3-D printer.
Cmplete the chart with the wrds and expressins frm the passage.
Hw did Eastn cme up with the idea?
Where: At a(n) 1___________Wh: Jenny, a girl brn 2_____________Prblem t slve: Jenny's artificial arm cst $80,000. But children like her 3___________, s they always need new arms.
science fair
withut an arm
grw quickly
What are Eastn’s inventins?
Age 14: A rbtic arm. It was made frm plastic blcks and 4___________Age 16: An artificial arm. It culd 5___________with brain signals, but weighed 3.6 kilgrams.Age 23: Anther artificial arm. It 6___________ just 0.5kilgrams and 7___________arund $500.
fishing line
What did Eastn d with his inventin?
He decided t pst his 8___________nline fr free. Peple culd make an artificial arm with their wn 3-D printers.
Think and share
1 Hw wuld Jenny's life change with Eastn's inventin?2 What can yu learn frm Eastn?
Learning t think fr questin 1 T understand the influence f smething, yu can cmpare the situatin befre and after the use f it.
1 Hw wuld Jenny's life change with Eastn's inventin?
Since the design is free nline, she culd easily replace it as she grws, imprving the cmfrt and quality f her life.
With Eastn's inventin, Jenny culd get a much lighter (nly 0.5 kg) and mre affrdable (arund $500) artificial arm that mves with brain signals.
2 What can yu learn frm Eastn?
Prblem-slving —He enjyed fixing prblems step by step until he succeeded.
Creativity and perseverance(毅力) —He kept imprving his inventin despite challenges.
Cmpassin(同情) —He was inspired t help thers after meeting Jenny.
Selflessness —He shared his design fr free instead f seeking prfit.
Language Pints
1. Eastn LaChappelle, a 14-year-ld student, std beside his wrk at a science fair.
fair 在句中作名词，意为“展览会”。例如: bk fair 书展 trade fair 贸易博览会 There's a farmers' fair in the twn every Saturday. （镇上每周六有农贸市场。）
fair还可作形容词，意为“公平的；公正的；合理的”
e.g. It's nt fair that he gets mre mney fr the same wrk. （同样的工作他拿更多钱，这不公平。） That's a fair price fr this quality. （就这个质量而言，价格合理。）
2. He built it ut f plastic blcks and fishing line.
句中ut f 意为“由……制成，用……做成”。例如:a ty bat carved ut f wd 一只木头雕成的玩具小船The necklace is made ut f gld. 这条项链是金制的。
3. What's wrse, children like her grw quickly and need new arms all the time.
what's wrse意为“更糟糕的是”，用来引出一个更加糟糕或严重的情况，通常用来加重语气，强调比较。例如:I frgt my wallet at hme, and what's wrse, my phne is ut f pwer.（我把钱包忘在家里了，更糟糕的是，我的手机没电了。）It's raining, and what's wrse, I left my umbrella at hme.（天下起了雨，更糟糕的是，我把伞忘在家里了。）
blw sb. away意为“使某人大为惊讶”。例如:The film was s gd that it just blew me away.（电影太棒了,简直让我震惊。）Her talent fr painting really blws me away.（她的绘画天赋真的让我震撼。）
4. “It blew me away! I built my arm fr nly $300," thught Eastn.