goforitGrade9uint6.ppt

1、When was it invented ?,Unit 6,Section A 1a2c,Huangjin middle school Zeng Yuhong,Inventions:,Calculator 计算器,Guess: Which one was invented earlier and which one was invented later?,A: I think the was invented before the B: Well, I think the was invented after the,Listen and find out the dates of the i

2、nventions.,The was invented in ,1885,1876,1971,1976,1927,1876,1885,1927,1971,1976,A: When was the _ invented? B: It was invented in _.,1c Group work,inventions,high heels,adjustable heels,adjustable 可调整的,inventions,ice cream scoop,heat 加热,scoop,inventions,slippers,a battery,batteries,operate 操作,Who

3、were they invented by? What are they used for?,adjustable 可调整的,operate 操作,heat 加热,Listening,Listen and number the inventions in the order that you hear.,2a,3,1,2,Listen again and fill in the blanks with the words you hear.,2b,.,Boy: What are those ? Girl: They are battery operated slippers. Boy: Wha

4、t are they used for ? Girl: They _ _ for seeing in the dark. Boy: Thats cool! Who were they invented by? Girl: Julie Thompson. And look at this heated ice cream scoop. Boy: I know what its for. Its used for scooping out really cold _ _ Girl: Right. It _ _ by Chelsea Boy: My favorite are those shoes

5、with adjustable heels. You know you can move the heels _and_.They were invented by Jayce Coziarand Jamie Ellsworth. Girl: And what are they used for? Boy: Well, you can change the _ of your shoes. You can make the shoes go from casual to dressy.,are used,ice cream,was invented,up,down,style,shoes wi

6、th adjustable heels,Jayce Coziar and Jamie Ellsworth,changing the style of the shoes.,Practice:,Who were they invented by? They were invented by_ What are they used for? They are used for_,battery-operated slippers,Julie Thompson,seeing in the dark,Who were they invented by? They were invented by_ W

7、hat are they used for? They are used for_,heated ice cream scoop,Chelsea Lanmon,scooping cold ice cream,Who was it invented by? It was invented by_ What is it used for? It is used for_,4 students a group to report: introduce an invention including its inventor/date and uses.,Survey,参考词汇:favorite inv

8、ention, be used for was invented, helpful,annoying by sb,In our group,. Likes. best. It was _,Grammar Focus:被动语态的构成 一般现在时的被动：am/is/are+及物动词的过去分词 一般过去时的被动：was/were+及物动词的过去分词 Sentences patterns: 1. When was it invented ？ It is invented in 2. Who was it invented by？ It was invented by 3.What are they u