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1、Unit 4 Amazing ScienceTopic 1 When was it invented ? Section C 1.Work in groups and discuss the questions before reading.（1）What is an invention? (2)Do you think you can be an inventor? Why?（3）what should we do to be an inventor?2.Finish 1b and 1c.1c Read 1a again and fill in the blanks. When you wa
2、nt to have an invention , 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
3、that, you _ your invention. Last, remember that you should _ your invention with others. imaginationimportantdetailedtestnameshare Read 1a again. 1.List the new words in Section C. 2.Try to find out the useful and important phrases or sentences. Come on ! balloon gunrobotkeyboard1.What are the top 3
4、 most important inventions? Why ?Which is the most / least important invention ?Why?2 Discuss with your partner which of the 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 importa
5、nt invention. It is said that it was invented by an Indian. It is a very interesting number. For example, I have only ten yuan. If you add five zeros after it for me, haha, I will be a rich man. My invention is a robot. It is called “Superman”. There is a computer inside its body. It looks like a ti
6、ger. When 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 c
7、areful, 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， come about, none of in the 3. Some sentences: Inventing is interesting and exciting and everyone can be an inventor . We can : 1. Talk about the process of an invention. 2. Write a passage about an invention. Read 1a. Memorize the useful expressions and key sentences that we learn today. Finish Section C in your workbook. Preview Section D.