Unit 4When was it invented Section A

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Section A,Unit 4 When was it invented?,light,bulb,invention,Edison,inventor,Edison,invent,ed,the light bulb.,The light bulb,was invent,ed,by,Edison.,Bell,invented,the telephone.,_,was invented,by,_.,The telephone,Bell,Karl Benz,invented,the car.,_,was invented,by,_.,The car,Karl Benz,1,2,3,4,5,Listening(1b:,P25)fill the dates,1876,1885,1927,1971,1976,1b,Listen and match the inventions,with the dates.,a,b,e,d,c,1876_,1885_,1927_,1971_,1976_,d,a,b,e,c,Museum,Invention Museum,Guessing:What is it?,part 1,Guessing:What is it?,Guessing:What is it?,Microwave oven,It,is used for,cooking and,heat,ing food,(,加热,),What food can,be,heat,ed,in it?,What,is,it use,d,for?,It,is used for,count,ing,.,calculator,What,are,they,used for,?,They,are used for,giv,ing,light.,light bulbs,What is/are used for?,Its/Theyre used for,part 2,alarm clock,Its an,annoying,invention.,Because it wakes me up when Im sleeping.,I think computer is the most,helpful invention.Because it helps,me search the information that I,need.,part 3,A survey:,What do you think is the most,helpful/annoying inventions?,Name,Helpful,inventions,Why,Annoying inventions,why,Useful expressions:,A,:What do you think is the most,helpful/annoying invention?,B,:I think the most helpful invention,is,A,:Why is that?,B,:Well,it gives/helps people,Chinese inventions,How many inventions do you know?,Group work:,What,When,Who,Be used for,Printing,Tang Dynasty,朝代,Chinese,Making copies,battery-operated,slippers,heated,ice cream scoop,shoes with adjustable heels,电池供电,的拖鞋,加热的,冰激凌勺,可调节,后跟的鞋,2a,Listen and number the inventions in,the order that you hear.,3,1,2,2b Listen again.Match the inventions with their inventors and uses.,Invention,shoes with adjustable heels,battery-operated slippers,heated ice cream scoop,Who was it/were they invented by?,Chelsea,Lanmon,Jayce,Coziar,and Jamie Ellsworth,Julie Thompson,What is it/are they used for?,scooping really cold ice cream,seeing in the dark,changing the style of the shoes,music candle,activity glasses,temperature cup,Challenge:,Try to be an inventor!,Welcome!,The passive voice.,被动语态,被动语态的,构成,:,be,动词,+(,及物,动词的,),过去分词,一般现在时,一般过去时,am (is,are)+done,was(were)+done,Homework:,Describe one of your inventions,And then write it down.,GoodBye!,