1、Unit5 The Power of NatureWarming Up, Pre-reading and ReadingI单元教学目标 (技能目标 ) talk about volcanoes and the work of volcanologists practise expressing fear and anxiety learn the ing form used as adverbial in a sentence write about an experience in a nature disaster II目标语言1 功能句式: expressing fear and anx
2、iety. I was so excited about what I had done and where I was, I forgot my fear. I was very worried that I was very relieved when I was trembling almost as much as the ground under my feet. I was still terrified. I was so nervous that my whole body was damp with sweat. I was so anxious that I couldnt
3、 move for a long time. I had to force myself not to panic. Then I got up the courage to 2.词汇四会词汇：volcano erupt eruption ash hurricane adventure bore excite evaluate unfortunate unfortunately fountain absolute absolutely fantastic crater potential impress precious novelist cancel effort relieve tremb
4、le sweat anxiety anxious panic courage typhoon heaven diverse diversity unique bathe swallow guarantee词组：compare with burn to the ground make an effort make ones way glance through vary from to 3. 语法：the ing form used as adverbial in a sentencelooking carefully at the ground , I made my way to the e
5、dge of the crater.Having experienced quite a few earthquakes in Hawaii already, I didnt take much notice.III教材分析本单元以 the power of nature 为话题，旨在通过本单元教学使学生了解火山爆发，地震，台风，洪水，海啸等自然现象，认识到自然的伟大力量，并会用所学词汇描述在经历自然灾害时的感受，思考人类应对自然灾害的态度和方法，提高自我保护意识。Warming up 通过对火山爆发示意图的探讨激活学生了解与本单元话题相关的背景知识，而后通过讨论人类应对自然灾害的措施引发学生
6、对本单元话题的思考，激发学生的求知欲，为随后进行的听说读写打下基础。Pre-reading 通过回答问题测试自己是否适合作火山学家，让学生了解这一陌生职业，为阅读做好准备。Reading 部分一味火山学家以第一人称的形式讲述了自己的工作及第一次目睹火山爆发时的情景和心情，描写了人与自然的斗争与和谐相处的乐趣，使学生认识到火山是美丽的，但同时极具破坏力，而火山学家的工作可以减少由火山引发的损失。Comprehending 设计了两种题型：第一题要求学生在阅读后发表对火山学家这一职业的看法；第二题检测学生对文章细节的理解。Learning about language 分为词汇和语法两部分。词汇部
7、分着重从词的意义用法和表达方面对学生学习词汇给予指导；语法部分学习-ing 形式在句子中作状语表原因，时间及结果。Using language 以语言实践为目的，包括四个部分的内容。Listening 三位火山学家讲述了他们各自最惊险的一次经历。学生在练习听力的同时学会描述害怕和紧张的词汇。Speaking 是 listening 的延续。要求学生讲述自己类似的经历，同时在运用中巩固单词。Reading 介绍了旅游胜地 the lake of heaven， 培养学生快速获取信息的能力。Reading 与 writing 属于同一话题，要求根据所给信息写一篇介绍 hot springs 的作文
8、。Sunning up 部分要求学生就火山，火山学家，天池，本单元词语，-ing 形式和表达情感的日常交际用语等方面进行自我评价，判定呢感学习情况。 learning tip 部分介绍单词记忆方法：利用构词法或话题分类记忆单词；利用图表，图片等记忆单词；随身携带生词本；多说多写。IV分课时教案(多媒体教学)The first period Warming up and pre-reading1. Warming upIn order to talk about what volcanoes are and how they are formed, students need to learn
9、Some new words: lava erupt/eruption crater active/dormant/extinct volcanoes 1) Show some pictures of disastersAsk student to name disasters as much as they know.Sample answer: cyclone typhoon Hurricane tornado snowstorm landslide Volcano tsunami earthquake flood hailstorm sandstorm2) ask them What t
10、hey feel when they see the power of nature showing in the pictures:Have you ever experienced one ?Share you experience and feelings ? (were you frightened and how frightened were you?)Some expressions tips: scared to death frightened worried unforgettable unbelievable3) Have you ever seen a volcano
11、?Ask Ss to complete exercise 1 in groups. Then check their answers orally as a whole class.Ask students to help you make a list of words connected with volcanoesDiscuss with students where in the world active and extinct volcanoes occur.2. pre-reading 1) Can you tell me who will climb into a live vo
12、lcano in order to take the temperatureof the boiling rock inside ?volcanologistsdo they take up a crazy job?2) get the students to answer the six questions in pre-reading to find out whether they will enjoy working as a volcanologist.Students could do this activity as a survey by asking others in th
13、eir class these questions Or they could do it individually. 3) after they have completed the task, survey the class to find out how many might enjoy the work of a volcanologist.their guesses were.Period Two ReadingTeaching Aims1. Enable the students to grasp and remember the detailed information of
14、the reading material.2. Let students understand the general idea of the passage.Teaching Important & Difficult PointsHow to help the students to grasp and remember the detailed information of the reading material.Teaching aids: a tape recorder, a projector, slides and picturesTeaching method:Grop or
15、 pair disscussion, individual task.Teaching ProcedureStep1 Pre-reading1.Can you imagine climbing into an active volcano to take the temperature of the boiling rock inside?2. To be a volcanologist, what qualities are needed?Step 2 QuizAre you suitable for being a volcanologist?Questions Yes No 1 Do y
16、ou like working outside as well as inside? 2 Do you enjoy travelling to unusual places? 3 Do you enjoy taking risks? 4 Do you dislike doing the same thing every day? 5 Do you like adventure in your life? 6 Are you interested in studying rocks and other things that make up the surface of the earth?Wh
17、at kind of work do you think a volcanologist do?Step 3 Skimming Skim the text and answer the following questions.1.What is the writer?He is a volcanologist working for the Hawaiian Volcano Observatory. He mainly collects information about Mount Kilauea.2When did he first see an eruption? How did it
18、look like?It was in the second week after he arrived in Hawaii. It was very bright although it was night. Red lava fountained hundreds of meters into the air and it was a fantastic sight.3. What was he wearing when getting close to the crater? And what was the result?He was wearing white protective
19、suits that covered his whole body, helmets, big boots and special gloves, just like a spaceman. As a result, it made him difficult to walk.Step 4 Scanning Scan the text and answer the following questions.1. Why is a volcanologists job important?Volcanologists study volcanoes so that they can warn pe
20、ople when the volcano is going to erupt and so save many lives.2. Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption?The lava flows down the mountain and can cover up or burn villages in its path. The rocks that erupt from the volcano usually dont damage anything bec
21、ause no one lives near the crater.3. Why did the scientists have to get close to the volcano after it began erupting?The scientists needed to get samples of the lava so they could study them.4. What does the writer find impressive about volcanoes even after studying them for 20 years?The author is i
22、mpressed by the beauty of the eruption and also by its potential to cause great destruction.Step 5 Detailed readingRead the text more carefully and answer the following questions.1. What made the author realize that an eruption occurred?my bed began shakinga strange soundMy bedroom became as bright
23、as dayan absolutely fantastic sightred hot lava was fountaining hundreds of meters into the air 2. What did the scientists do after the eruption?put on white protective suits, helmets, big bootsdropped as closed as possible to the craterslowly make our way to the edge of the craterlooked down into the red boiling centerStep 6 Homework1Find out words, expressions and sentences which you think are useful, important or difficult to understand.2Finish exercises in Learning about Language. (Ex. 1, 2)