(完整版)【公开课教学设计】必修三Unit4HowlifebeganontheearthReading教案

M3 U4 Astronomy: the science of the starsPeriod 1 Reading: How life began on the earthⅠ. Three Dimension objectives1. Knowledge and ability1) Help the students find out the main idea of each paragraph.2) Make sure the students fully understand the whole passage and can retell it.3) Enable the students to think and talk about what to protect for the earth.2. Process and MethodsReading and discussing.3. Emotion, attitude and valueStimulate the students’ interest in the science of the stars, the earth and the living things. Ⅱ. Teaching important pointsEnable the students to talk about the beginning of life on the earth.Ⅲ. Teaching difficult pointsHow to help the students to summarize the main idea of each paragraph.Ⅸ. Teaching method1. Task-based teaching2. Process-oriented teaching approach3. Students-oriented teaching and learningⅤ. Teaching resources1. The reading passage in Module3 Unit4, How life began on the earth.2. Multimedia and a computer.VII. Design on the blackboard and the screenModule3 Unit4 AstronomyPeriod 1 Reading: How life began on the earthA timeline with some key words.VIII. AssignmentWrite an article on what we can do to protect the earth according to the discussion (At least 3 aspects, about 150 words).IX. ReflectionIt is a difficult article, so the teacher had better try to make it easier for the student to understand by reading it paragraph by paragraph and get some details.And the passage tells the readers the scientific idea in order of time. So a timeline is helpful for the students to better grasp the main idea of it.The earth itself and the living things on it are all very important to us human beings. So we should protect the earth, but how? So the students are to discuss what we can do to protect the earth according the development of the earth and life. The students can brainstorm as many ideas as possible. The students’ performance will be evaluated after and according to their presentation.。

Module 3 Unit 4 How life began on the earth 教学设计Teaching aims: The main task for this lesson is to dub a video introducing how life began on the earth.Based on the analysis of the teaching material，I have chosen the following as my teaching aims.1. Knowledge objectives1) To accomplish the main task, the students will be able to understand the new vocabulary in this text and pronounce them correctly. Such as: religion, theory, billion, give birth to and so on.2). To get Ss to understand the text.2. Ability objectives1)To develop Ss’ basic skills of listening, speaking, reading and writing. Reading is the focus in this lesson. Reading skills for Ss include predicting, skimming, scanning and digesting.2)To encourage Ss to practice, participate, and co-operate in the classroom activities3)Students will be able to get the information they want from the text through skimming and scanning. Students will be able to organize information logically they get from the text.3. Moral objectives1)Students will be able to know better of the Big Bang theory and Evolution.2) Let the Ss understand the life on the earth better, love the earth.Teaching important point: How to understand the text better.Teaching difficult point: Students can use their own words to organize their notes into a script for the video.Teaching methods:Double activities teaching methodTask-based teaching methodQuestion-and-answer activity teaching methodWatch-and-listen activity teaching methodFree discussion methodPair work or individual work methodTeaching aids:1. a projector2. a tape recorder3. the multimedia4. the blackboardPart 3. Students learning strategies:Part 4. Teaching steps:In order to achieve the teaching aims, to help Ss to comprehend the text, solve problems and complete different tasks, I have designed the following steps.The entire steps: Greetings, Lead-in and preparation for reading, Fast reading（skimming）, Listening, Careful reading （scanning）, Reading for details, Consolidation, Discussion, Assessment and Homework.Pre-reading:Step 1. Greetings. I will greet the whole class as usual.Step 2. Lead-in and preparation for reading.First Introduce the topic of this lesson to the students. I will tell them:There are different theories of the beginning of the world. And Show them some pictures of different concepts of the “beginning” on the screen. ( Show the Pan Gu and the Creation).Now I point at the pictures and get the students to tell the general ideas of them.Watch a video: Then I play a video about the topic for the students and ask them to bare these questions in mind.( questions are chosen according to the students’ level )---Tell me what impressed you most after you have watched the video?---What is the most important thing for all types of life on the earth?---How many types of life on the earth have you seen in the video?Students will tell everything they have seen in the video. (At this time it’s a good chance to present some new words on the blackboard and a general picture of the topic of this lesson.)With the task, I make my students in a relaxed and happy atmosphere, arouse the students’ interest of study and warm up their thinking.While-reading:Step 1. Skimming (Ss: Individual work in this step)Students are given 2 minutes to read the passage as quickly as they can. Tell students that the topic sentence often lies at the beginning of the paragraph or at the end of the paragraph. Sometimes lies in the middle.Thinking of the students’ level, after the Ss’ discussion, I will show the main idea for each paragraph in a wrong order on the screen, then let the students to match them.Purpose: This step is to direct students to use skills and strategies to get the general idea of the passage in the shortest time and cultivate students’ good reading habit and fast reading ability.Step 2. Scanning (Ss: Pair work in this step)Ss are encourage d to read the passage carefully again, exchange their understanding of the passage with their group members and work together to finish the task－try to get the Order of the development of the text.The following sentences will be printed on small pieces of paper and given to the students. The students are required to put the pieces into the correct order according to the text. With the task Ss understand the text further to get the development of the text.Step 3. Reading for details (class work)I will encourage my Ss to answer some comprehension questions. The questions are not difficult, their answers can be found in text.---Why was the earth different from the other planets?---What made it possible for life to begin to develop?---What are the differences between reptiles and mammals?---How did dinosaurs disappear? Are there any widely accepted theories?---Who are not taking care of the earth?Purpose: Further understand the text to find out some different sentences and details of the text. post-reading:Step 1. Listening（book closed）Ss are required to close their books, listen to the tape carefully and pay attention to their intonation and pronunciation.Purpose: Train the Ss’ listening ability.Step 2. Consolidation (Group work and present dubbing)I give the students a piece of paper with the snapshots of the video to help them organize their notes into a script for the video.Students work in groups and prepare a script for the video. They may use the material they just used and are encouraged to add creative ideas.I choose 2 groups to present their work with the video together. (If time permits, ask more groups to do it.)With the task, I want to know if my students understand the whole text really and if they master what I mean to tell them in this class. I want to let them have the ability of introducing and analyzing expressions.Step 3. Discussion(Ss read between the lines.)In the end of the text, the writer has raised a question for us.I write them on the blackboard:1.Can this problem be solved?2.What can we do to deal with this problem caused by human beings?èStudents discuss this problem in groups and list the answers they think.After 2 minutes’ discussion, students share their ideas with the whole class.I gives the conclusion: (Present in noun clauses as a hint for the grammar of this unit)Purpose: I mean to give them emotional education and develop Ss’ creative thinking and as well as their ability to manipulate and use the target language. Everyone should do something to create a better future for the earth and the mankind.Step 4. AssessmentGet students to assess themselves and assess their group members.Assessment is very helpful to improve their learning attitude. Little Success will bring Ss self-confidence and arouse their interest of learning English.Step 5 HomeworkHomework is the extending of the class, I design different tasks for different students to consolidate the teaching content, to meet for the need of different Ss’ level and interest.。

M3 U4 Astronomy: the science of the starsPeriod 1 Reading: How life began on the earth学校:开课班级:高一(12)班开课教师:指导教师:Ⅰ. Three Dimension objectives1. Knowledge and ability1) Help the students find out the main idea of each paragraph.2) Make sure the students fully understand the whole passage and can retell it.3) Enable the students to think and talk about what to protect for the earth.2. Process and MethodsReading and discussing.3. Emotion, attitude and valueStimulate the students’ interest in the science of the stars, the earth and the living things. Ⅱ. Teaching important pointsEnable the students to talk about the beginning of life on the earth.Ⅲ. Teaching difficult pointsHow to help the students to summarize the main idea of each paragraph.Ⅸ. Teaching method1. Task-based teaching2. Process-oriented teaching approach3. Students-oriented teaching and learningⅤ. Teaching resources1. The reading passage in Module3 Unit4, How life began on the earth.2. Multimedia and a computer.VII. Design on the blackboard and the screenModule3 Unit4 AstronomyPeriod 1 Reading: How life began on the earthA timeline with some key words.VIII. AssignmentWrite an article on what we can do to protect the earth according to the discussion (At least 3 aspects, about 150 words).IX. ReflectionIt is a difficult article, so the teacher had better try to make it easier for the student to understand by reading it paragraph by paragraph and get some details.And the passage tells the readers the scientific idea in order of time. So a timeline is helpful for the students to better grasp the main idea of it.The earth itself and the living things on it are all very important to us human beings. So we should protect the earth, but how? So the students are to discuss what we can do to protect the earth according the development of the earth and life. The students can brainstorm as many ideas as possible. The students’ performance will be evaluated after and according to their presentation.2。

人教版必修3 Unit 4 How Life Began on the Earth学案学习目标: Learning the test （学习课文）教学重点： Get the main idea of the text (了解文章大意)课前准备请同学们提前阅读学案容，了解课堂上要完成的任务，（1）准备17导学案(2) 课本Page 25-26的课文Teaching Steps ；（教学步骤）Step 1 Have a check （检查上节课的容）Step 2 Learn the text of Page 25--26 (学习Page 25-26课文) 1 Fast Reading(关注课文中的数字，找出所发生的事件)4.5-3.8 billion years ago__________________________________Many million years later_________________________________ for 140 million years_______________________________________65 million years ago_____________________________________ 2.6 million years ago_____________________________________ 2 Careful Reading （仔细阅读课文归纳段落大意）Para（1）___________________________________________（2）__________________________________________( 3 ) __________________________________________( 4 ) ___________________________________________(5) _____________________________________________3 Careful reading (细读课文完成排序)A Insects and amphibians appearedB Dinosaurs appearedC The earth became a solid ballD Small plants grew on the waterE Reptiles appearedF Plants began to grow on dry landG The earth was a cloud of dustH Water appeared on the earth.I Shellfish and other fish appearedJ The universe began with a BIG BANGK Clever animals with hands and feet appearedL Mammals appeared___________________________________________________ Step 3 Think（思考）Is it wrong or right to show films with dinosaurs and people together? Why? (在课文中找到适宜的语句，或根据自己的理解回答此题)Step 4 A quit of the text (当堂检测，课文容填空) The universe began with a __________ .At that time,the earth was____________.Then, the earth became _____________.After that, water appeared on the earth and_______grew on the water . Then, shellfish and other fish appeared . Next,_________began to grow on dry land and insectsand amphibians___________. Later, reptilesanddinosaurs appeared. Last, clever animals _______________appeared and spread all over the earth. Thus, the human become the most important animals on the earth. However, they are not looking after the earth well. They are putting too much carbon dioxide into the ______________, which prevents heat __________ escaping from the earth.into space.So whether life will continue on the earth for millions of years to come will ___________on whether this problem can be solved. Step4 课文知识点1.In our solar system eight planets circle around the sun.在我们的太阳系里，八大行星绕着太阳运转。

Teaching planUnit 4: How life began onthe earth(Period 1: Reading)Xin zhou Senior High SchoolMo LinglingMar. 27th,2015Teaching Aims and DemandsA: Knowledge1. Students know some astronomic knowledge.2. Students know the right order of the development of lifeon the earthB: Ability1.Students can use some reading strategies, such asguessing, key sentences, skimming, scanning and so on,so as to get the main idea and some detailed informationof the reading as quickly as possible.2.Students will learn how to cooperate with others bydiscussing in groups.C: Feelings and Attitudes1.To love and protect our environment.Important Points1.Grasp the main idea and the structure of the passage.2.Know the right order of the development of life and theearth3.Improve students’ reading ability.Difficult PointsStudents can find the right order of the development of life and the earth.Teaching AidsA computer, A projector and some slidesTeaching MethodsTask-based teaching method : This is the first period for the reading, different tasks will be given to students in order to train their reading skills.Learning Method:1.Cooperative learning method: Students will learn bycooperating with others to finish tasks in group work.2.Individual learning methodTeaching ProcedureStep 1: lead-inLead in by asking students a few questions.Step 2: Reading1.Fast-readingAsk student to read the text quickly and match the main idea with each paragraph. (Task 1)2.Careful-reading:Task 2: Ask students to read para.1-3 and loudly and carefully and finish task 2Task 3: Ask students to read para.4-5 and put the rightorder of the development of life.Task 4: Ask students to choose the best answer according to the passage.Step 3: DiscussionActivity: ask students to discuss what can we do to protect our earth and environment.Step 4: Homework1.Read and retell the passage.2.Find out noun clauses in the reading passage. Teaching Reflection。

Unit 4 How Life Began on the Earth人教版高一英语必修三第四单元第一课时一教学课型阅读课二教材分析这节课内容的中心话题是“天文学”。

这篇文章是一篇夹叙夹议的说明文。

讲述了地球上生命的起源，先从“宇宙大爆炸”讲起，具体介绍了各种生物的起源和出现的顺序。

文章脉络清晰，结构分明，“生命起源”这一话题对高中学生来说充满了趣味性，引人入胜，给学生留下很大的思考空间，能够激发学生的想象力，积极去阅读文章，了解生命的起源以及生物进化的过程。

接着文章就人类对地球的负面影响和地球是否能延续进行讨论。

学生通过略读、速读、摘记等，根据各环节设计的具体任务来学习理解这篇文章，帮助学生进一步了解保护地球的重要性。

通过任务型教学，促进学生进行小组合作学习。

三学情分析高一年级的同学经过上一学期的学习，对于高中学习方式以及培养的能力都有了一定的认识。

在阅读技巧方面，大都学生已经掌握了如略读、跳读、细读等阅读技巧，能在短时间内找到关键词和关键句；但是由于基础不一样，并且地球起源这个话题对于大部分学生来说是陌生的，特别是对于初中基础差暂时落后的学生，所以这也要求我们在设计学案的时候要难度设计要层层递进，区别对待基础不同的学生。

四教学目标 1 知识目标：通过阅读学习，使学生能读懂文章内容，理清文章脉络，让学生了解地球生命的由来以及生命进化的过程 2 能力目标：通过略读、速读、摘记等培养学生的文本解读能力帮助学生形成有效学习策略，提高自主阅读的能力；在质疑，小组探究，同伴互助学习过程中，培养学生独立思考，推理，判断和创造性思维的能力和合作学习策略。

3 情感目标：通过对文章的学习及课堂活动参与激发学习热情，产生学习英语的浓厚兴趣；了解地球上生命的起源及其发展过程，并学会用科学的眼光看待事物，激发学生探索科学的热情。

引起他们对地球未来的关注，对地球面临危机的思考，意识到爱护地球，关爱生命的重要性。

五教学重点难点1. 让学生了解地球生命进化的历程，培养学生获取，分析和处理信息的能力。

教学设计人教版英语阅读课教学设计必修三·Unit 4 How Life Began on the EarthⅠ. The type of the lesson---reading levelⅡ. Analysis of the teaching materialThis unit is mainly about astronomy, and the reading passage talks about the development of life on the earth. It shows how life began on the earth by explain a widely accepted theory that the universe started with a Big Bang. The text is well organized in the order of time, and clearly shows the process of how life developed on the earth. As a topic related to science and astronomy, the students have great interests in it. This will help the student to learn about the process of the development of life on the earth.Ⅲ. Analysis of the studentsThis is the second term for the students in Senior High School, so they have adapted to the study in High School. Although this passage is about science, students will be interested in the topic and eager to explore more. At the same time it is also a little hard for the students to understand. Lots of words&expressions about science and biology are involved.So, I will pay attention to the students in different levels, in order to make everyone experience the happiness of learning.Ⅳ. Teaching aimsKnowledge objectives:1.To learn about the key words and expressions in this passage use them in proper situations.2.To know how life began on the earth and try to talk about the process of the development of life on the earth.Ability objectives:1.To practice the students’ reading ability, especially their prediction skimming and scanning ability.2. Student are able to retell the process of the development of life on the earth in English.Emotional objectives:1. To arouse students’ desire of learning about science and astronomy.2. To encourage students to protect the earth.Ⅴ. Important points and difficult pointsKey points:1. The practice of improving students’ ability of reading skills.2. Get the students to catch the main idea of the passage and to know how life began on the earth..Difficult points:To use what have been learned to express how life began on the earth.Ⅵ. Teaching methodsTask-based Language LearningCommunicative language learningⅦ. Teaching aidsPPT multi-mediaⅧ. Teaching proceduresStep 1: Lead-inEnjoy some pictures and know different lives on the Earth.Students will discuss about how did humans come to the earth?Step 2: Scanning and SkimmingStudents will read the passage on quickly.Task1: Try to match the right main idea of each paragraph.Task2: How many parts can the passage be divided into?Paragraph 1 A Widely accepted theory about how the universe was formed. Paragraph 2 The formation of the earth.Paragraph 3 The importance of water for life.Paragraph 4 The development of plants and animals on the earth.Paragraph 5 The arrival of humans and their impact on the earth.Step 3: Detailed readingStudents will watch a short video about the origin of the Earty, then read part 1 carefully and complete different designed activities.Part 1(para1-3): The development of the earth.Task1. Let students read this part carefully and find out the answers.(1) After the Big Bang, what happened?(2) What happened to the solid globe next?(3) What did the water vapor and gases were to make?(4) What appeared after the earth cooled down?(5) What is the importance of water?Task2. Sum on The development of the earth.List what happened in the order of time.Task3. RetellingRetell the process of the development of the earth according to the passage and the picture I give.Part 2(4-5): The development of life.Students will watch a short video about the development of life on the Earty, then read this part 2 carefully and complete different designed activities.Task1.（1）What life developed after water appeared?（2）What life developed in water next?（3）What life developed after the life in water?（4）What life developed next on land?（5）The green plants grew into forests（6）What life developed after forests appeared?（7）What life developed after dinosaurs?（8）What life developed after mammals?Task2. Make a timeline of the development of lifeTask3. Read para. 5 carefully and find out the answer.(1).What problem is caused by human being?They caused global warmingStep 4. DiscussionStudents will watch a short video about Global Warmming.Suppose the end of the world would come. Think about how can we protect our planet? Tips:1. Stop putting too much carbon dioxide into the atmosphere.2. Save water.3. Don’t throw garbage everywhere.More... ...Step 5. AssignmentsWrite a report about how to make the Earth a better place to live.学情分析授课班级为高一学生，经过一个学期对高中生活的适应，已经储备了一定的高中英语词汇和基础知识，认知和分析水平相较初中阶段有了进一步提高，能就给出的话题进行讨论并发表自己的看法，具备了一些获取英语信息、处理信息、分析问题和解决问题的能力。

人教版必修三 Unit4 Astronomy教学设计How life began on the earthReadingTeaching aims:Get Ss to know the development of the earth and life on itImprove Ss’reading abilityArouse Ss’awareness of protecting the earth and improve sense of cooperationTeaching important points:Get Ss to know the development of the earth and life on itImprove Ss’reading ability and awareness of protecting the earth Teaching difficult points:How to help Ss understand the development of life on the earth easier and put the awareness of protecting the earth into actionTeaching methods:Task-based teaching and learning, cooperation, discussionTeaching aids:Multimedia, SLG some normal teaching toolsTeaching procedures:Step1 Greeting and leading inGreet and lead in the topic by playing a guessing game 设计意图：创设情境，引入话题，激活学生已有的相关知识和经验，形成阅读期待。

核心素养提升点：提升学生的创新思维品质Step2 Reading1.Skim to finish Task1 in SLG(student learning guidance)Get the main idea of each paragraph设计意图：概括、提取文本基本信息核心素养提升点：语言能力：获取概括信息的能力2.Read the text carefully and help the earth to hold her family meeting smoothlyPut the items in right order3.Answer the questions in Task 3 in SLG(student learning guidance)设计意图：进一步梳理细节信息，引导学生深入理解文本信息核心素养提升点：思维品质：启发学生的创新思维品质语言能力：自主及合作学习的能力Step3 DiscussingHow can we make the earth mother happy?(at least three suggestions)设计意图：引导学生深入理解文本信息神化主题意义核心素养提升点：文化意识：联系生活实际，思考人与自然环境的关系。