Unit4Topic1SectionC

1、unit 4 amazing sciencetopic 1 when was it invented ? section c work in groups and discuss the questions before reading.1. what is an invention? invention n.发明，创造发明，创造 invent v. 发明，创造发明，创造 inventor n. 发明者，发明家发明者，发明家 an invention may be a new product or a new way of doing things. 2.list some invention

2、s that you know and their inventors. computer lock television light bulb chopsticks crayon 3.do you think you can be an inventor? why? yes, inventing is interesting and exciting and everyone can be an inventor. v.列清单，把列清单，把列表列表n.彩色铅笔（粉笔，蜡笔）等彩色铅笔（粉笔，蜡笔）等work in groups and discuss the questions before

3、 reading.invention crayon thought silly brainstorm evaluateredesigndetaileda.愚蠢的，傻的愚蠢的，傻的b.发明，创造发明，创造c.彩色铅笔彩色铅笔d.想法，看法，主意想法，看法，主意e.集思广益，动脑筋集思广益，动脑筋f.重新设计重新设计g.估值，评价，评估估值，评价，评估h.详细的详细的match the words with their meanings.a. draw your invention. b. name your invention. c. test your invention. d. use yo

4、ur imagination. e. plan and design your invention. 1b read 1a and put the sentences in the correct places . _ you can have wild and crazy thoughts. remember that no idea is too silly. many people laughed at the wright brothers and said they would never fly. but they werent discouraged by what people

5、 said. thats why now we have planes.d想像力想像力1b read 1a and put the sentences in the correct places . _ careful planning is important in the invention process. this is the time to brainstorm for ideas and to evaluate them. _ make a detailed drawing of your invention so others will understand how your

6、invention works. make a model of your invention. _ see if your invention works as it is planned . if not, do more research, redesign it, and test it again. _ every invention needs a name. share your inventions with others. eacb1c read 1a again and fill in the blanks. when you want to have an inventi

7、on , first you must use your _. then you should plan and design it. careful planning is very _ in the invention. third, you should make a _ drawing of your invention and make a model of it. if you want to make your invention more successful, you must _ it again and again. after that, you _ your inve

8、ntion. last, remember that you should _ your invention with others. imaginationimportantdetailedtestnameshare1a read and understand.can you list it? 1. an invention come about solve a problem the result of crayonsnone of be made in interesting, exciting inventor a few simple steps 2.use your imagina

9、tion thought silly laugh at be discouraged 3.plan and design your invention be important to brainstorm evaluate 4.draw your inventionmake a detailed drawing 5. make a model 6.test your invention -do more research 7. name your invention 8. sharewith retell it 2 discuss with your partner which of the

10、followings are the top 3 most important inventions and which is the least important invention. then explain your choice to the class. example: i think zero is the most important invention. it is said that it was invented by an indian. it is a very interesting number. for example, i have only ten yua

11、n. if you add five zeros after it for me, haha, i will be a rich man. 3 do you know how to be an inventor? do you want to invent something? write a passage about your invention. the following questions may help you . 1. how do you come to the idea of your invention? 2. what does it look like? 3. wha

12、t is it made of/from? 4. whats it used for? 5. what are you going to name it?before writing, think more clearly and tell about the looks, uses, advantages and disadvantages of an object. my invention is a robot. it is called “superman”. there is a computer inside its body. it looks like a tiger. whe

13、n you see it for the first time, you may be frightened. in fact, it is gentle and polite. it can help us do housework, such as cleaning a room, washing dishes, and making the bed. when the room is dirty, it will begin to work at once. it can also watch over a house instead of humans. it is careful,

14、clever and hard-working. in short, this robot is very useful to us, though it cant run or speak. you can write it like this:summarywe learn : 1.some words: invention, crayon, thought, silly, balloon, gun, robot, keyboard 2.some phrases: laugh at，come come out， the result of ， none of 3. some sentences: inventing is interesting and exciting and everyone can be an inventor .