1、Unit 4 When was it invented?I Teaching objectives 教学目标SkillFocus来源:学优中考网xyzkwTalk about the history of inventionsWrite and read about inventionsLearn to remember information using mind-mappingLearn to use imagination to invent things to deal with problems and do role playsLanguageFocus 来源:学优中考网功能句式T
2、alk about inventions(P68-70)来源:学优中考网来源:学优中考网 xyzkwWhen was (the telephone .) invented? I think it was invented in . I think (the telephone .) was invented before / after .Who was it / were they invented by? 来源:xyzkw.ComIt was / They were invented by . What is it / are they used for?It is / They are
3、used for . What do you think is the most helpful / annoying invention?I think the most helpful / annoying invention is .词汇1. 重点词汇invent, mistake, ancient, produce, pleasant, pie, throw, century, notice, including, knock, basket, metal, below, towards, develop, risen2 认读词汇scoop, adjustable, heel, bat
4、tery, operate, slipper, bulb, light bulb, microwave, microwave oven, crispy, salty, sour, chef, sprinkle, beverage, according, legend, boil, bush, remain, flying disk, bakery, Bridgeport, Connecticut, lemon, cookies, abacus, binoculars, rank, indoors, create, wooden, divide, aim, hoop, shoot, backbo
5、ard, guide, court, Berlin, popularity, worldwide, association, equipment3 词组be used for, by mistake, in the end, by accident, according to, fall into, in this way, knock into语法The Passive Voice:1. When was / were . invented?2. Who was / were . invented by?3. What is / are . used for?StrategyFocus1.
6、Brainstorming2. Role playingCulture FocusThe history of chips which are popular with westerners.The invention of tea.II. Teaching materials analyzing and rearranging 教材分析和重组1. 教材分析本单元以 Inventions 为话题，共设计了四个部分的内容：Section A 该部分有 4 个模块：第一模块围绕 When and in what order were they invented? 这一话题展开讨论（1a ） 、听力
7、（ 1b） 、口语（1c ）训练；第二模块围绕 3 个inventions 进行听力（2a-2b） 、口语（2c）训练；第三模块继续围绕 inventions这一话题展开训练，要求列出两类不同的发明（3a）并以 pairwork 形式对此展开讨论和对话训练（3b） ；第四模块设置情景 alone on a tiny island，以小组活动形式讨论在该情景下什么 inventions 重要及原因。这部分主要训练口语、学生处理问题的思维能力和想象力。Section B该部分有 4 个模块：第一模块是词汇的学习（1a）与运用（1b） ；第二模块围绕the history of chips 继续进行
8、听力（2a-2b） 、口语（ 2c）训练；第三模块围绕Who invented tea？这一话题展开阅读理解（3a） ，并要求学生能够以“From pie plate to flying disk”为题目进行应用写作训练（3b） ；第四模块以 inventions 这一话题训练学生的创造力、解决问题的能力和想象力(4a)， 并且以小组讨论和角色扮演（4b）的形式展开口语训练。Self check该部分有 2 个模块：第一模块对所学词汇进行填空训练(1)；第二模块要求就不同的 inventions 搜集信息并进行写作训练(2)。Reading该部分共设置了 5 项任务：第一项任务以问题讨论的方式
9、激活学生相关背景知识(Section 1)；第二项任务要求学生通过快速阅读获取信息(Section 2)；第三项任务利用填图、回答问题等练习形式进一步加深学生对阅读内容的理解(Section 3)；第四项任务要求学生对“play on Chinas national basketball team one day”问题发表观点、进行口语训练(Section 4)；第五项任务要求学生对某一项发明进行调查研究。2 教材重组和课时分配Period 1 (Section B: 1a, 1b) Vocabulary buildingPeriod 2 (Section A: 1a, 1b, 1c) New
10、 function presentingPeriod 3 (Section A: 2a, 2b, 2c, 3a, 3b, 4)PracticePeriod 4 (Section B: 2a, 2b, 2c, 3a, 3b) Integrating skillsPeriod 5 (Section B: 4a, 4b; Self check: 1, 2) Self checkPeriod 6 (Reading: Section 1Section 4) Reading comprehensionIII. Teaching plans for each period分课时教案Period 1 Voca
11、bulary buildingLanguage goals 语言目标1. Words & expressions 生词和短语invent, scoop, adjustable, operate, mistake, thin, sprinkle, sweet, salty, crispy, sour, discover, annoying, special, ancient, legend, boil, fire, nearby, remain, notice, produce, pleasant, throw, thousand, century, taste, smell, create,
12、divide, shoot2. Key sentences 重点句子 (P71)Who invented them? They were invented in 1863.Ability goals 能力目标Enable the students to understand and use the new words of this unit. Emotion & attitude goals 情感和态度目标Enable the students to be aware of different inventions around them.Strategy goals 策略目标Enable
13、the students to use what they know to explain new words.Teaching important points 教学重点Understand and use the new words and phrases.Teaching procedures and ways 教学过程与方式Step I Lead-inT: Good morning / afternoon, boys and girls. This week we will begin a new unit about inventions. You can see invention
14、s all around us, from TV to car, from food to clothing. We should say nobody can live without them. Dont you think so? Can you imagine one day without inventions?Ss: Thats impossible.T: Yes, we live in a world of inventions. These inventions make our life easier and more comfortable. In this unit, w
15、e will learn some inventions and their history. First, lets get to know some new words.Step II Card Game Ask the students to play a card game to help them remember the new vocabulary of this unit. T: Close your books. Here are some cards. On each card there is a word with English spelling. When I ho
16、ld up a card, you must tell me what it means in Chinese, how to read it and some words related to it. Are you clear?Show the cards to the students one by one. Correct their mistakes in pronunciation and understanding.Step III Practice the new vocabulary Ask the students to explain in their own words
17、 the words in Section A in the workbook.T: Very good. Please turn to Section A of workbook, the first part. Discuss these words in groups and explain their meanings in your own words. Sample answers:S1: Invent: There was not such a thing in the world. Someone made it and then there is such a thing.
18、So we can say someone invented it. S2: Discover: There is a thing. But people dont know it or few people know it. Someone find it and make it known to people. We can say someone discovers it. S3: Scoop: When it is a noun, it means a short-handled tool for taking up and moving something. When it is a
19、 verb, it means lifting something with a scoop.S4: Mistake: If I say 2 and 2 is 1, you can say I make a mistake.S5: Annoying: make one angry, unhappy or uncomfortable.S6: Adjustable: that can be made more helpful or useful.S7: Microwave: very short wave.S8: Braces: something used to tighten.Ask the
20、students to circle the words in the table.T: Very good. Now please find these words and circle them in the table. Volunteers?Show a hanging chart with the same table to the students. Ask them to come to the front and circle the words in the table in the hanging chart.Check the answers and correct th
21、e mistakes if there are any.Step IV Words about food taste(1a, 1b: P71)Ask one student to come to the front to do a blind taste test.Show a bag to the students.T: Look, there are 4 kinds of food in it. I will let one of you come to the front and taste them. But I will use a piece of cloth to cover h
22、is or her eyes. After tasting, he or she has to tell how each food tastes and what food it is. Are you clear? Sophie, please.Cover Sophies eyes and give her the food one by one. Sophie tastes each food and tries to guess what it is.S: It is sweet. I think it is an apple.They are salty and crispy. I
23、think they are potato crisps.It is sour. I think it is a tomato. It is salty. But I dont think I have eaten this food before. It is delicious.T: Do you enjoy the food? Now you can take off the cloth. The last one is Pizza, which is popular with westerners. You can take it with you and go back to you
24、r seat. Thank you.Sophie goes back to her seat.T: Hi, class. What are the four different tastes of the food Sophie had? S: They are sweet, crispy, salty and sour.T: Yes. They are words used to describe different tastes of food. Try to use them to describe the food in the picture of 1a, Section B.Ask
25、 the students to read the pictures of 1a in Section B and describe how the food tastes.T: Now, look at the four pictures. What are they?Ss: They are potato chips, lemon, ice cream and tea. T: You are right. Please use the words weve just learnt to describe how they taste. S1: Potato chips are crispy
26、. Lemon is sour. Ice cream is sweet. Tea is sweet. T: How about you? Do you have a different idea?S2: Potato chips are crispy and salty. Lemon is sour. Ice cream is sweet. Tea is sweet.T: Good. I think S2s answer is better. Now lets repeat the description together.Ss: .Ask the students to write the
27、name of a different food after each word in 1b of Section B.T: Now, write the names of different foods after each taste as many as possible. I think this is an easy job for you. Think of the food you eat everyday at home or in restaurants. Collect the answers and put them down on the blackboard.Samp
28、le answers:sweet: apple, orange, banana, honey, orange juice, cakes and candiescrispy: salad, potato chips, lettuce and cucumber salty: pizza, French fries, olivessour: grapes, pickle and vinegar Step V Do a quizAsk the students to finish the following exercises in 10 minutes.T: Next well do a quiz.
29、 Your task is to finish the exercises in 10 minutes. Anyone who does his best without looking at the textbooks will be invited to my home this Sunday for a pizza meal. When I say “begin”, you can begin. After you finish, hold up your hands and let me know. Are you ready? One, two, begin!Fill in the
30、blanks with the words youve learnt according to the Chinese.1. Who _ the telephone? ( 发明)2. When was the car _? (发明)3. It _ _ _ scooping really cold ice cream. (被用来) 4. What do you think is the most _ invention? (令人烦恼的)5. The potato chips were invented _ _. (错误地)6. The customer thought that the pota
31、toes werent _ enough. (薄)7. The customer was happy _ _ _. (最终)8. The customer said they werent _ enough. (咸)9. The chef _ lots of salt on the potato chips. (撒)10. The tea was invented _ _. (偶然地)11. This beverage was _ (发现) over 3 _(千) years ago.12. _ _ (根据) this legend, people _(煮) water to drink ov
32、er an open fire.13. He _ _ the river yesterday. (掉进)14. She _ beautiful after these years. (保持)15. The emperor _ (发现) that the leaves in the water _ (发出) a pleasant smell.16. Dr Naismith _ (分) the men in his class into two teams.17. Dr Naismith _ (创造) a game to be played on a hard wooden floor.18. M
33、any young people _ _ (梦想) becoming famous basketball players.19. Here is a _ present for you. (特别的)20. Can you _ the computer? (操作)Sample answers:1. invented 2. invented 3. is used for 4. annoying5. by mistake 6. thin 7. in the end 8. salty 9. sprinkled 10. by accident 11. discovered, thousand 12. A
34、ccording to, boiled 13. fell into 14. remains 15. discovered, produced 16. divided 17. created 18. dream of 19. special 20. operateT: Lily, you are the one who finished the exercises fastest and correctly, so I will invite you to my house and I will cook some pizza for you. Step VI HomeworkReview ne
35、w words and phrases learnt in this period. Finish the following exercises on homework paper.Homework paper1. Fill in the blanks and translate the sentences.(1) When _ the car _? (被发明)(2) What _ the heated ice cream scoop _ _? (被用来)It _ _ _ scooping really cold ice cream. (被用来)(3) Basketball is _ (喜欢
36、) by all the people.(4) A game was _ (创造) to be played on a hard wooden floor.(5) This beverage was _ (发现) two thousand years ago.(6) A pleasant smell was _ (发出).2. Change the sentences into the passive voice.(1) I watered the flowers._.(2) He turned on the light._.(3) Who invented the air-conditioner?_.(4) Who invented the battery-operated slippers?_.学优中( 考 ，网
