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1、精选学习资料 - - - - - - - - - 学习必备 欢迎下载Unit 4 Astronomy: the science of the stars 三、单元预习任务（Pre-unit task）1. 依据本单元教学目标和要求,明白本单元话题和任务,充分做好课前预习工作；2. 预习语言学问,包括词汇表里的词汇和扩展词汇,把握词义、发音、词性以及其基本用 法；勉励同学勤查字典；3. 多渠道（如报刊、杂志、网络等等）查阅并明白与本单元话题有关的背景学问和材料；第一课时前：1、 依据教学目标和要求,明白本课时的话题和任务,预习课文的语言学问,包括 词汇表里的词汇和短语,以及课外供应的扩展词汇,把
2、握词义、发音、词性以 及基本用法； 勉励同学勤查字典；2、 预习阅读材料,把握文章的中心思想和基本脉络；3、 通过报刊、杂志、网络等途径,多渠道查阅并明白与阅读材料相关的信息资料 和背景学问,做好充分的课前预习工作；（同学可以通过以下问题来 自我检查预习 情形）Questionnaire: 1.What does astronomy deal with. 2.What do we call people who study astronomy. 3.How did the universe come into being. 4.Can you name the eight planets. 5
3、.Do you know the solar system in the universe. What is it made up of ？6.How did life come into being on the earth. 其次课时前：1、 复习阅读课文,预习所给的词汇、相关星球学问等材料；2、 预习 Using language. 第三课时前：1、 预习所给的词汇,和相关学问；2、 查找并阅读一篇关于黑洞的文章；第四课时前：1、预习语言点和语法点；第五课时前：1、 复习上一课时所学的语言点和语法；2、 通过本单元的输入,排列写故事的写作方法；四、教学支配 Teaching arrang
4、ements 本教学支配依据“LARA 教学原就” ,对教材进行大胆的删除（L leave out）、 修补（ A Amending ）、替换（ R Replace ）、增加（ A Add ）,敏捷的将教材为我所用；新教材在选材和教学活动的设计上充分考虑到同学年龄特点和他们生理和心理进展的需要；名师归纳总结 在采纳话题、功能、结构相结合的教学方法的基础上,设计了“ 任务型” 的活动；对英语语第 1 页,共 4 页言学问和技能训练作了系统的支配,循序渐进,循环反复,有利于同学构建学问系统；留意- - - - - - -精选学习资料 - - - - - - - - - 学习必备 欢迎下载培育创新精
5、神, 提高实践才能； 但新教材也应与同学的实际相结合,我们不能全盘照搬；同时在教学过程中, 为了对教学有个即使的反馈和有效的改进,我们仍进行了“ 形成性评判” ；本单元的语言技能和语言学问几乎都环绕“The science of the stars ” 这一中心话题设计的；我们依据本单元实际情形对教材的课时支配作了一些调整,特殊是同学用书Student s Book 和作业本 Workbook 有机结合；整个单元的备课思路是这样的：从天文学谈到地球（地球上生命的起源,如何去爱护地球）-其他星球及太空物质（月球及黑洞） -去太空旅行的目的,可能会遇到哪些困难,需要做哪些预备- 科学家进行探索需要
6、预备什么以及需要怎样的素养；因此,详细支配是这样的：Period one: Warming up and reading Period two: Using language and readingwb Period three: Listening, talking, listening and writing Period four: Grammar Period five: Language Point 这样要说明的是我们在其次三课时教学中,特殊穿插了对写作的辅导,符合了先输入后输出的教学理念；五、教学步骤Teaching procedures Period 1 Warming up &
7、 Reading Step 1 Warming up & lead in 1. Talk about science subjects Step 2 Reading 1. Get the Ss to go through Paragraph 1 on P 25 and find the answers to the following questions Qs: What did the earth look like after the “ Big Bang”. a cloud of energetic dust How did the earth change afterwards. co
8、mbine into a solid ball What happened to the ball. explode make the earths atmosphere How did the water begin to appear. （cool down） Did water stay on the other planets or satellites. disappear Water was important for the beginning of life. How did water make life develop. dissolve harmful gases int
9、o T: With water, life began and developed on the earth. How did life develop through history. 2. Make the Ss read paragraphs 2-3 and finish the following chart. A cloud of dust a solid ball presenceof water small plants grow on the water shellfish and other fish appear plants begin to grow on dry la
10、ndinsects and amphibians appear retiles appear dinosaurs appear mammals appear Q: Why was it necessary for plants to grow before animals. Plants provided oxygen for animals to breathe. 名师归纳总结 - - - - - - -第 2 页,共 4 页精选学习资料 - - - - - - - - - 学习必备 欢迎下载3. Retell Suppose you are Dr. who studies astronom
11、y. You are invited to give a speech to the school students about the development of life on “ Earth Day” April 22 nd. Good morning/afternoon. I am Dr . I am greatly honored to be here to give you a speech about the development of life”. 4. Let the Ss read paragraph 4 and think over the problems caus
12、ed by humans to the earth. T: Earth is home to us the living things. We ought to take good care of it. Do we human beings look after the earth well. What problems have been caused by humans to the earth. air/water/earth pollution, global warming, desertification, endangered wildlife Step 3 Activitie
13、s 1. Activity 1 : We make our home earth in danger. If we still keep doing damage to the earth, we will be homeless one day. It is time we took action and protected it. Discuss in groups “ How to protect our earth and make it a better place to live on.”2. Activity 2: Suppose you are to design an act
14、ivity for your school on Earth Day, which is intended to call on teachers and students to protect the earth. Work in groups and choose a reporter of your group to report your work. The following points should be included in the report of your activity. What the activity is about Why the activity is
15、designed When and where to do the activity Who takes part in the activity What to be done in the activity Step4 Homework: 1. Search the Internet for the information of the development of life. 2. Read and learn good words, phrases or structures from Reading. 名师归纳总结 - - - - - - -第 3 页,共 4 页精选学习资料 - -
16、 - - - - - - - 学习必备 欢迎下载七、评判与反思 Assessment and reflection Task 1: Collect information about “ the science of stars” learnt in this unit and make notes if necessary. Task 2: Reflection 老师反馈 Teacher s reflection: 1. Have all the teaching aims been reached. 2. Have all the Ss learnt a lot in the lesson
17、s. 3. What can be improved. 老师对同学课堂活动的评判：Class: Name: Score: 4 3 2 1 Understandable 5 Items:Logical 5 4 3 2 1 Creative 5 4 3 2 1 Active 5 4 3 2 1 Cooperative 5 4 3 2 1 Others 5 4 3 2 1 同学反馈 Students reflection: 1 自我评判 Self-assessment Class _Name _No _Date _ In this unit, you learnt about the science
18、 of stars. How comfortable do you feel doing each of the skills below. 1=Not comfortable 2=Need more practice 4 3=comfortable 4=very comfortable Skills Comfortable level Talk about astronomy 1 2 3 Have the proper attitude towards science 1 2 3 4 Practice expressing problems and making suggestions 1 2 3 4 Use the new words and expressions 1 2 3 4 Write an outline 1 2 3 4 Use subjective clause 1 2 3 4 2 自我反馈 Reflection 名师归纳总结 1.How to be a scientist. _ 第 4 页,共 4 页- - - - - - -