1、选修八 Unit3 Inventors and inventionsPeriod1 ReadingTeaching aims（教学目的）Knowledge aims:1. Get students to learn the useful new words and expressions in this part: patent, courtyard, walnut, distinguish, merciful, product, powder, perfume, stainless, cube, abrupt, convenient, caution, expectation, passiv
2、e, merry, seize, criterion, valid, file, ripe, string, glue, freezing, greengrocer, identification, directory, dial, rainfall, innocent, lantern, bear, jam, forehead, dynamic, dot, tap, wire, straw, current, helicopter, triangle, stable, associate, practical, refrigerator, court, extension, version,
3、 competence, jeep, personnelcall up, now and then, set about, in case, beaten track, dive into, set out (to do), hang on, get through, ring back, ring off 2. Let students learn about inventors and inventions Ability aims:1. Develop students reading ability and let them learn different reading skills
4、.2. Enable students to talk about inventors and inventions Emotional aims1. Help the Ss know about inventors and inventions 2. Develop students sense of cooperative learning.Teaching emphasis（教学重点）1. Develop students different reading abilities.2. Enable students to talk about inventors and inventio
5、nsTeachingdifficulties（教学难点）1. Let students learn more about inventors and inventions.2. Get students to learn different reading skills,especially the reading ability of understanding implied meaning of the authors.Teaching &learning procedures (教学与学习过程)Step1. Preparing lessons &self-study and explo
6、ring the problems (预习自学，探究问题)Task1.1)Do you know the stages every inventor must go through before they can have their invention approved? Inventing is a scientific activity and so follows similar stages to those used in scientific research. Look at the list and work out a suitable order.Applying for
7、 a patent Finding a problem Doing research Testing the solution Thinking of a creative solution Deciding on the inventionAnswers:The suitable order:Finding a problem-Doing research -Thinking of a creative solution-Testing the solution-Deciding on the invention-Applying for a patentPatent office (专利局
8、) plays the role of deciding what is an invention and what is not. And only inventions can get patens and so be recognized and protected.2)Among the inventions above, which invention do you think is the most important one? Why?What is an invention?An Invention is something that is created by a human
9、 being. Inventing is a scientific activity. What is a discovery?A discovery merely makes known something that already existed in nature.Step2.Finishing plan & asking questions（完成学案，提出问题）Task2.Skim the whole passage and get the main idea:(3m)The text narrates _and presents _and applying for _.Answers
10、:the problem of the snakes ；the procedures of catching them ；a patentTask3.Divide the text into four parts and work out the main idea for each paragraph.(5m) Answers:Part I (Para.1)The discovery of the problem of the snakes.Part II(Paras2-3)The research on the approaches to solve the problem.Part II
11、I(Para. 4-6)The attempts to catch the snakes.Part IV(Para.7-8)The requirement of getting a patent.Step3.Researching cooperatively& answering questions(合作探究,解决问题)Task4. Detailed reading:(5m)Answer the following questions:1.What was the mother upset about?2.Why was the writer happy to help her mother?
12、3.What are the three creative steps that the writer takes to catch the snakes without hurting them?4.Why did cooling make the snakes less active?+5.Discuss with your partner what the advantages might be of getting a patent.Suggested answers:1.The mother was upset because a family of snakes had made
13、their home near the house.2.The writer was happy because it gave her an opportunity to help her mother and invent something to catch the snakes without hurting them at the same time.3.Step 1: She bought a stainless steel ice cream maker and froze the bowl. She added ice cubes to the top of the bowl
14、to keep it cold. She placed it over the snakes habitat during the day so that the snakes would become sleepy and could be easily caught.Step 2: As above she did the same but placed the bowls over the snakes habitat in the evening.Step 3: As above but added a net to catch the snakes.4.Snakes do not h
15、ave a way of keeping warm in their bodies. They get warmth from the sun and become more active at this time. When the sun goes down at night they cool down and become less active. So extra cooling to the snake would make them even less active and easier to catch.5.You are able to prove that you are
16、the first person to make the invention;You are recognized as a real inventor;You can make money if you sell your invention to others.Step4.Summing &chewing,summarizing knowledge（总结反刍 ，知识梳理）Task6.Match the different writing characteristics with each writing styles:(3m)Formal language with few adjecti
17、ves, not emotional, factual-ReportVivid use of words with similes and metaphors, emotional to describe atmosphere, not factual but imaginative-Description Not use vivid or emotive language and sticks to the facts. It is clearly set out and follows the framework for the inventing process-RecountVivid
18、 use of language and more informal style, imaginative but can be based on fact-Creative writing/ story Step5.Testing in class & improving skills（随堂检测，落实考点）Task7.Discussion:(5m)1. Whats the writing purpose of the writer?2. What should we learn from this text?Suggested answers:1.The writer wants to in
19、form us of the scientific methods to solve present problems so that we students can not only broaden the horizons but become more skilled in discovering and considering carefully the problems in daily life. We are also encouraged by the writer to be creative and hardworking as well as thinking indep
20、endently.2.We can learn from the text the way of doing scientific researches and how to apply for a patent. We can also learn that it takes an inventor great determination persistence to achieve his or her ambition and persistence to achieve his or her ambition in life.Step6.Assessment & Homework（课堂
21、评价，布置学案）Task1.Ask the students to finish Ex.3 at Page 22. After-reading (10m)Apply what we learn:In pairs look at the following problems. Choose one and use the scientific stages to design a new invention to solve it. Remember to include one change to your invention in case it doesnt work the first
22、time.(This can be done after class.)Problem 1: the apples growing on your apple tree are too high for you to reach them. What can you invent to pick your apples in comfort?Problem 2: You need to make a house but you only have fishing nets and many plastic bottles. How can you solve it?Problem 3: You want to catch fish but not hurt them when you do so. Design a fishing rod that will solve this problem.Task2. Get the students to underline all the new words and phrases in the passage.
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