高二英语 Unit18 Inventions（第二课时）教案 人教版

用心 爱心 专心1 TheThe SecondSecond PeriodPeriod Teaching Aims 1 Learn the text and train the students reading ability 2 Learn some useful words and expressions 3 Help the students to learn to be more creative Teaching Important Points 1 Get the students to grasp the main idea of the passage and help them understand the passage better 2 Learn and master the important words and phrases in this period Teaching Difficult Points 1 How to help the students improve their reading ability and understand the passage better 2 How to master the language points in the passage Teaching Methods 1 Fast reading to get the general idea of the text 2 Careful reading and discussion to help the students understand the passage better 3 Explanation to help the students master some language points Teaching Aids 1 the multimedia 2 the blackboard Teaching Procedures Step Greetings Greet the whole class as usual Step Lead in and Pre reading T In the last period we talked about some new inventions We know that inventions can make people s life easier and better They will do a lot of good to people But how do people come up with ideas for new inventions Do you have to be very intelligent to be an inventor Are some people born creative or is it possible to learn how to be creative If you want to be an inventor yourself you must have a lot of questions Now read the passage quickly to find the answers to these questions on Page 59 Step Reading and Understanding Allow the students a few minutes to find he answers to the questions T Have you finished Ss Yes T Good Now have a discussion with your partner If you don t agree with each other read the passage again to check your answers A moment later I ll ask some of you to tell us your answers A moment later T Well Now Xiao Hui tell your answer to the first question please S I think some people are born creative T Do you agree with her Li Ling 用心 爱心 专心2 S I m afraid not I think it is possible to learn how to be creative T Can you tell us why S Because creative thinking is a matter of habits By thinking about how we think and practising good thinking strategies we can become more creative T Good Please sit down Now who d like to answer the second question S I d like to have a try I don t think people have to be very intelligent to be an inventor Because only some of the thinkers did well in school And creativity is not about getting high test scores having a high IQ or being smart T Does anybody have a different opinion Or do you agree with her Ss We agree with her T OK Now the last question Who knows the answer S I want to have a try I think people should try new ways to solve a problem and break away from old thought patterns T Good Who has anything else to say S I think people should look at a problem in as many ways as possible T Anything else S People should try to combine new with old ideas in as many different ways as possible By comparing and connecting ideas and objects in new ways people may think of new applications and solutions S I have something else to say Good ideas are no accident They are the result of a long process of trial and error T Well done You ve all got the main idea of the passage Now please read the passage carefully again to check some detailed information Look at the sentences on the screen and tick the sentences that are true according to the text and correct the false ones The multimedia shows the following sentences Tick the sentences that are true according to the text and correct the false ones 1 Most inventors have high IQs 2 The things we know can sometimes make it more difficult for us to understand new ideas 3 It is impossible to learn how to be creative 4 The best way to find a good solution is to look for one good answer 5 Inventors try to avoid failure 6 The more ways we have of looking at a problem the more likely it is that we can find a solution 7 Most good ideas are the result of a long process of trial and error A moment later ask some students to say their answers and check them with the whole class Suggested answers 1 Most inventors don t necessarily have high IQs 用心 爱心 专心3 2 3 It s possible to learn how to be creative 4 The best way to find a good solution is not to look for one good answer only Partial solutions and even failures give us more information and clues that help us move towards a better solution 5 Inventors all know that for each new invention that works there are at least ten that don t 6 7 Step Explanation T Good job In order to help you understand the passage better I ll explain some useful words and expressions to you Look at the screen and listen carefully The following is shown on the screen Language Points 1 be born adj n e g He was born singer a blind e up with e g Scientists will come up with new ways of increasing the world s food supply 3 allow for e g We must allow for the bus being late it always is 4 get stuck e g The car got stuck in the mud 5 break away from e g The prisoner broke away from his guards A province has broken away to form a new state 6 be aware of that e g Are you aware of the time She became aware that something was burning Explain the language points and write the phrases on the blackboard be born adj n come up with allow for get stuck break away from be aware of that Step Discussion T Look at the examples on the screen They have been mixed up Read the passage carefully again and place them in the right paragraph You may have a short discussion with your partner Show the following on the screen and allow the students to read the passage again and discuss in pairs 1 According to Leonardo da Vinci problems which had seemed impossible could be solved if he changed the way he described the problem 2 Thomas Edison made a rule saying that he had to make an invention every 用心 爱心 专心4 ten days 3 Mozart who lived in Austria wrote more than 600 pieces of music 4 Einstein who changed the world of physics forever with his Theory of Relativity preferred images to numbers 5 Samuel Morse the man who invented the telegraph got his idea by watching a rider exchange a tired horse for a new one A moment later ask some students to say their answers If they have different opinions allow them a few minutes to have another discussion Suggested answers 1 Think outside the box 2 Keep trying 3 Keep trying 4 Take another look at it 5 Make connections Step Listening and Reading T Good You ve understood the passage well Now let s listen to the tape The first time I play it for you you should listen carefully and the second time you can read after it Pay attention to your pronunciation and intonation Play the tape twice for students to l