Purpose of my design:To ask the students to do these two tasks will make the Ss predict the story of this passage. As a result, it will deepen Ss’ memory of this story because they will have their own understanding of this story.Step 3. While-readingTask 1. (Individual work _____min)Skimming: ask students to skim the text and the main ideas of each paragraph in this passage. Please read it quickly and then match the sentences with the letters.Task 2. (Individual work _____min)Scanning: read the text quickly and decide the whether the following statements are true or false and give reasons.Task 3. (Pair work _____min)Listen to the tape and fill in the banks. Then read the paragraph with expression to your partner.Task4 (individual work min)Listen to the tape again and write down the main idea in one sentence.Purpose of my design: Enable students to understand the given material better by using different reading skills. And proper competition can arouse the Ss’ interest in English learning. “Task-based” teaching method is used here todevelop the Ss’ ability of communication and also their ability of co-operation will be well trainedStep 4. Post-readingTask 1. (Individual work, pair work, group work, class work; _____min)Discussion (group of 4):1. If you were Hippomenes, would you run against Atlanta?2. Do you think Hippomenes deserved to win the race? Why or why not?Step 5. HomeworkPlease read the story again carefully after class and imagine: What will happen during the race between Hippomenes and Atlanta? Who do you think will win the race? Do you think Atlanta would marry Hippomenes? Write an end for the story with thses questions.Purpose of my design: Homework is so important and necessary for to master the knowledge they learned after class. It will check whether the Ss achieve the teaching aims.Part 5 Blackboard design
Good morning, distinguished judges:It’s my honor to talk about my teaching ideas with you. Today my topic is Women of Achievement. My presentation consists of six parts: the analysis of teaching material and student, teaching aims, key and difficult points, teaching and studying method, teaching procedures and blackboard design.First, let’s focus on the analysis of teaching material. This lesson is from New Senior English for China Student’s Book 4 Unit 1, the reading part. The main topic of the passage is the introduction of a student of Africanwildlife. After this lesson, the students will learn more information about her studying chimps in Africa, and their reading and speaking abilities can be developed as well.The next part is the analysis of students. My students are in senior high students. They have learnt English for many years, they’ve known many words and sentences, but their speaking and reading abilities are still not very good. So I will practice their speaking and reading abilities through different exercises.According to the New Standard Curriculum and the present situation, I set the teaching aims as follows: firstly, knowledge aims. Students can grasp some new words, such as worthwhile, move off. Moreover, students can understand the content of the passage and get familiar with the topic of studying chimps in wildlife. Secondly, ability aims. Students can use reading strategies such as skimming and scanning in reading process. Thirdly, emotional aims. Students can have the awareness of protecting animals and care about animals.Based on the above analysis, the key point of this lesson is to get the main idea and the detailed information from the passage; the difficult point is to talk about the wildlife protection and use reading strategies.
Good afternoon, everyone. It’s my great pleasure to be here sharing my lesson with you. The content of my lesson is Senior English for China Book5 Unit 3 Life in the Future. I’ll be ready to begin this lesson from six parts: Analysis of the teaching material, Analysis of the students, Teaching aims and important and difficult points, Teaching methods and aids, Teaching procedures, and Blackboard design. First, let me talk about the teaching material.Part 1 Analysis of the Teaching Material:This unit is about what human beings’ life will be like in about one thousand years. By studying of this unit, we’ll Enable the students to know the changes in humans’ life and some new inventions bringing about the change and develop the interest in science. This lesson plays an important part in the English teaching in this unit. This is an important lesson in Book Five. From this lesson, it starts asking the Ss to grasp contents of each passage. Therefore, this lesson is in the important position of the teaching material. If the Ss can learn it well, it will be helpful to make the Ss learn the rest of this unit.Part 2 Analysis of the SsAs Senior2 Ss, they are at different levels of English fluency, some of them have lost interest in English. So during the lesson, I arrange a variety of activities to let all of them join in to attract their interest and let them be confident and taste the joy of success.
Teaching Aims:Knowledge 1. Get the students to learn the useful new words and expressions in this section. Aims:2. Let the students learn about how the UK was formed and the four groups of invaders.1. Develop students’ reading ability and let them learn different Ability reading skills. Aims:2. Enable students to learn to talk about the United Kingdom and the Union Jack Emotional 1. Let students know more about the UK2. Develop students’ sense of cooperative learning Aims:Teaching Important Points:1. Let the students learn about the countries of the United Kingdom and the Union Jack2. Get the students to read the passage and know about how the UK was formed and the four groups of invaders.3. Have the students learn different reading skills.Teaching Difficult Ponts:1. Develop students’ reading ability.2. Enable students to talk about the United Kingdom and the Union Jack.3. Let students learn how the UK was formed geographically and historically.Teaching Methods:Showing pictures, asking, exercising, listening, reading etc.Teaching Aids:A computer,a projector and a blackboard.Teaching Procedures: 1) Show a map of the world, ask students the following questions:Where is the UK?What’s the full name of the UK?2) Ask the students work in pairs to do the quiz on Page 9.Do you want to test how many things you know about the United Kingdom? Let’s have a small test.Using the map on P9, students answer the following questions:?How many countries does the UK consist of? What are they??England is divided into three main areas. Do you know what they are? 1) Scanning (10Minutes )Let the students hold the questions asked in pre-reading and read the passagequickly and then let them do the following exercise.Join lines to the right answer.
“深入探究,把握主旨”這一步則是解決教學(xué)的重點(diǎn)難點(diǎn),這里涉及到課文的深層意蘊(yùn),學(xué)生理解有難度,教師在通過(guò)問(wèn)題引領(lǐng)學(xué)生探討的基礎(chǔ)上,還要適時(shí)啟發(fā)、點(diǎn)撥,因?yàn)榻虒W(xué)時(shí)間有限,讓學(xué)生漫無(wú)邊際的討論,可能難以完成預(yù)定的教學(xué)任務(wù),會(huì)使教學(xué)過(guò)程不完整。至于本文的寫作特點(diǎn)的教學(xué)視時(shí)間而定,有時(shí)間可以讓學(xué)生說(shuō)一說(shuō),沒(méi)有時(shí)間用小黑板出示一下,讓學(xué)生了解就行,如果時(shí)間不夠,甚至可以不講。第三階段是“延伸練習(xí),鞏固提高”。
(2).教學(xué)手段為了使我根據(jù)教材而設(shè)計(jì)的三個(gè)教學(xué)目標(biāo)以及重點(diǎn)難點(diǎn)得以的突出和突破,達(dá)到最大化的展示境界,同時(shí)也為了配合以上我選擇的四種教法得以完滿實(shí)現(xiàn),我決定采用“多媒體”教學(xué)手段進(jìn)行全程教學(xué)。利用電腦的信息容量大,操作簡(jiǎn)便等優(yōu)點(diǎn),形象生動(dòng)的直觀展示教學(xué)內(nèi)容,不但提高學(xué)習(xí)效率和質(zhì)量,而且容易激發(fā)學(xué)生的學(xué)習(xí)興趣和調(diào)動(dòng)學(xué)習(xí)的積極性。四、說(shuō)學(xué)法我為學(xué)生設(shè)計(jì)了三個(gè)學(xué)習(xí)方法:1.讓學(xué)生學(xué)會(huì)在探究中學(xué)。通過(guò)“對(duì)黑人嚴(yán)酷處境的探究”和對(duì)文中重點(diǎn)語(yǔ)句的探究,培養(yǎng)學(xué)生在探究中學(xué)習(xí)的能力。2.讓學(xué)生學(xué)會(huì)在讀中學(xué)。通過(guò)“誦讀法”指導(dǎo)學(xué)生在誦讀過(guò)程中感受演講詞內(nèi)在的魅力,學(xué)會(huì)在讀中學(xué)。3.讓學(xué)生學(xué)會(huì)在練習(xí)中學(xué)。通過(guò)“課外延伸練習(xí)法”,對(duì)所學(xué)的知識(shí)進(jìn)行運(yùn)用,培養(yǎng)學(xué)生的創(chuàng)新和自學(xué)能力。
一、說(shuō)教材1.教材分析《涉江采芙蓉》是新人教版必修二第二單元《古詩(shī)三首》中的一首?!豆旁?shī)十九首》在中國(guó)古代詩(shī)歌的藝術(shù)手法上起著承前啟后的作用,在高中語(yǔ)文古詩(shī)教學(xué)中也起著承前啟后的作用。這首古體詩(shī)不論是藝術(shù)上,還是在思想上都已經(jīng)達(dá)到了十分純熟的境界。因此,它十分重要。2.說(shuō)學(xué)情這首詩(shī)歌在內(nèi)容上難度不大,可以做多角度解讀。新課程標(biāo)準(zhǔn)鼓勵(lì)學(xué)生作個(gè)性化解讀,我們可以引導(dǎo)學(xué)生就此作些探討。學(xué)生通過(guò)小學(xué)、初中的系統(tǒng)學(xué)習(xí)和本冊(cè)古詩(shī)部分的集中學(xué)習(xí),有了一定的古詩(shī)鑒賞能力,對(duì)源遠(yuǎn)流長(zhǎng)的中華文化也有了一些積淀,興趣漸濃,這是進(jìn)一步引導(dǎo)學(xué)生熱愛(ài)古代詩(shī)歌、學(xué)習(xí)古代詩(shī)歌的一個(gè)前提。3.教學(xué)目標(biāo)依據(jù)學(xué)生特點(diǎn),教材特色以及新課標(biāo)的要求,制定教學(xué)目標(biāo)如下:(用多媒體展示)1、了解關(guān)于《古詩(shī)十九首》的文學(xué)常識(shí);2、感受詩(shī)歌的思想內(nèi)涵;3、運(yùn)用想象描摹詩(shī)歌的藝術(shù)畫面。
一、說(shuō)教材《短歌行》是普通高中課程標(biāo)準(zhǔn)實(shí)驗(yàn)教科書必修(二)第二單元的一篇略讀課文,本單元安排的是先秦到南北朝時(shí)期的詩(shī)歌?!抖谈栊小肥侵渭摇④娛录?、文學(xué)家曹操的作品。詩(shī)中抓住“憂”字來(lái)寫詩(shī)人為什么“憂”,如何解“憂”,從而表達(dá)希望能夠招攬人才、完成統(tǒng)一天下的雄心壯志。所以本單元安排《短歌行》一詩(shī),對(duì)學(xué)生全面了解曹操,感受曹操在短暫的人生中竭力創(chuàng)造偉業(yè)的氣概。二、說(shuō)學(xué)生我這一課的教學(xué)對(duì)象是高一學(xué)生。他們進(jìn)入高中學(xué)習(xí)的時(shí)間只有三個(gè)多月,現(xiàn)在已經(jīng)完成了必修(一)的學(xué)習(xí)。學(xué)習(xí)了現(xiàn)代詩(shī)歌單元,有了一定的詩(shī)歌學(xué)習(xí)基礎(chǔ),初步掌握了讀詩(shī)的基本方法,但是還未能形成成熟的穩(wěn)定的學(xué)習(xí)方式。同時(shí),本單元學(xué)習(xí)是高中第一次接觸古代詩(shī)歌,詩(shī)歌語(yǔ)言上的障礙和時(shí)間上的跨度對(duì)他們來(lái)說(shuō)都是學(xué)習(xí)上的困難。因此教師要引導(dǎo)學(xué)生自主學(xué)習(xí),合作學(xué)習(xí),為他們?cè)O(shè)置新的學(xué)習(xí)情境,提供合作探究的機(jī)會(huì)。
Textbook: Senior English for China (Book 4), by Liu Daoyi Time Allotment: 1 period (40 minutes)Date: March 20, 2014Teaching aids: blackboard, Multi-media, Power Point, chalk I. Text Analysis (教材分析)This unit is about body language, and the text selected in the reading part demonstrates the difference and similarity of body language in many parts of the world. Through learning this passage, students are required to raise their awareness of using body language in different parts of the world. As body language is closely related to our daily life, it is easy to arouse students’ interest in learning this text. Reading skills and speaking training are designed around the text.II. Teaching Objectives (教學(xué)目標(biāo))By the end of the lesson, students will be able to:1. Language Skill Objective(語(yǔ)言技能目標(biāo)): develop reading ability (skimming and scanning)as well as speaking ability.2. Cultural Knowledge Objective(文化知識(shí)目標(biāo)): know about the cultural differences of using body language.3. Affective Objective(情感目標(biāo)): increase students’ awareness of using body language correctly in different cultures. III.Teaching Focuses and Difficulties(教學(xué)重點(diǎn)和難點(diǎn))1. Teaching Focuses(教學(xué)重點(diǎn)): the difference and similarity of body language in many parts of the world.2. Teaching Difficulties(教學(xué)難點(diǎn)): develop students’ reading abilities of skimming and scanning and ask the students to show their opinions with fluent English.
Ⅲ. Analysis of the teaching material:The topic of this unit is cultural relics. Students are quite interested in topics about different cultures around the world. This is the second period of the whole unit. As a reading class, the passage mainly talks about the history of the amber room (how it was made, sent as a gift, lost and rebuilt).According to the new national curriculum, when teaching reading, much emphasis should be put on training the students’ reading skills.Ⅳ. Teaching objectives1. Language objectives:1) Students are required to master the key words and phrases occurred in the passage (e.g. amazing, decorate, belong, in return, less than etc.)2) Students are required to learn the attributive clause and acquire the sentence pattern.2. 1) Students are required to describe a certain thing by using the new sentence patterns.2) Students are required to master two kinds of reading skills—skimming and scanning, and learn to use them in their daily reading.3. 1) Students are required to know the history of the amber room.2) Students are required to appreciate cultural relics and understand the importance of protecting them.Ⅴ. Teaching important and difficult points1) the new words, phrases, and sentence pattern in the course of reading.2) Teaching difficult point: Help the students master two kinds of reading skills—skimmingand scanning and learn to apply them in daily use.Ⅵ. Teaching methods:Task-based method & Top-down model Ⅶ. Teaching aids: PPT, pictures, blackboard Ⅷ. Teaching procedure:
In this class, I have 3 teaching aims, that is, knowledge aims, ability aims and emotion aims.1) Knowledge-Teach students new words and expressions, such as temporary, bleed,sprain choke, first aid, fall ill and so on.-Enable students to have a better understanding for some basic knowledge of first aid.2) Ability-Train students’ speaking, reading and writing abilities by different teaching activities, such as skimming, comprehending, team work, role play, retelling and writing.-Develop students’ reading strategy on how to move general idea to specific information.3) Emotion-Promote students’ awareness of giving first aid.- Cultivate students’ creativities.Then let’s come to my teaching methods and activities.III. Teaching methods and activities:To achieve different teaching aims, various kinds of teaching methods and activities will be adopted throughout this period, such as TBL (task-based learning), skimming, team work, brainstorm and others, which can offer students opportunities to fulfill tasks in which they can use language to achieve a specific outcome.IV. Teaching aids:Computer and blackboardV. Teaching important points:1) Make students have a clear mind for the structure of the text.2) Help students understand the theme of the text.VI. Teaching difficulties:1) So many new words may affect students’ understanding.2) How to get students to know about the functions of the skin and thecauses, characteristics and treatments for different degree burns,and the knowledge about giving first aid. VII. Blackboard design:
通過(guò)寫文章梗概,培養(yǎng)學(xué)生綜合運(yùn)用語(yǔ)言的能力,學(xué)習(xí)用恰當(dāng)?shù)挠⒄Z(yǔ)描述科學(xué)家的故事。這是本課的教學(xué)難點(diǎn)。教師可以使用完形填空的方式來(lái)幫助學(xué)生整理語(yǔ)篇,從而來(lái)降低難度。本課的教學(xué)重點(diǎn)的突破方法是:在閱讀前,讓學(xué)生初步了解得出科學(xué)觀點(diǎn)所需要的基本程序,從而輕松而自然地導(dǎo)入文章的閱讀;在閱讀過(guò)程中,由易到難設(shè)計(jì)快速閱讀和精讀的問(wèn)題,層層推進(jìn)各種閱讀活動(dòng),讓學(xué)生對(duì)閱讀內(nèi)容從整體感知到細(xì)節(jié)理解,最后深層讀懂整篇文章,同時(shí)加強(qiáng)閱讀策略的指導(dǎo),讓每個(gè)學(xué)生都主動(dòng)參與課堂教學(xué)活動(dòng),最終達(dá)到提高閱讀能力的目的。Step 4 Post-readingGroup Activities四人小組共同合作,在老師的適當(dāng)指導(dǎo)下,就以下2個(gè)問(wèn)題展開(kāi)討論,讓學(xué)生就所知、所學(xué)、所感和所想融入話題,然后抽若干同學(xué)代表作小組發(fā)言。1. What do you think about John Snow, and what should we learn from him?2. Cholera was 19th century disease, which two diseases are similar to cholera today? Why?
今天我們來(lái)介紹一下必修五第四單元的授課方式。這個(gè)單元的題目是Making the news。應(yīng)該是學(xué)生比較感興趣的話題,學(xué)生往往對(duì)新聞工作充滿好奇,所以我們可以利用這個(gè)機(jī)會(huì)多設(shè)計(jì)一些師生互動(dòng)和學(xué)生互動(dòng),來(lái)激發(fā)起學(xué)習(xí)的積極性,提高學(xué)習(xí)效率。同時(shí)我們可以利用這個(gè)單元不僅幫助學(xué)生掌握語(yǔ)言知識(shí),培養(yǎng)語(yǔ)言能力,同時(shí)讓其了解新聞工作的重要性,培養(yǎng)起社會(huì)智能感。這個(gè)單元分為六個(gè)課時(shí),它的教學(xué)目標(biāo)是這樣的:語(yǔ)言目標(biāo)是掌握詞匯表中的常用單詞和短語(yǔ),掌握倒裝句的一些基本用法。 技能目標(biāo)是能初步掌握約會(huì)的基本句型并在真實(shí)的場(chǎng)景下正確運(yùn)用。新聞報(bào)道類文章的寫作技能。采訪的基本規(guī)范和溝通技能。情感目標(biāo)是對(duì)新聞報(bào)道的客觀性和真實(shí)性有更好的理解。對(duì)新聞?dòng)浾叩穆殬I(yè)有更深入的了解,并能體會(huì)其工作的重要性。下面我們來(lái)介紹一下第一課時(shí)的授課方式,第一課的教學(xué)目標(biāo)是這樣的第一課時(shí)的教學(xué)目標(biāo)語(yǔ)言目標(biāo):單詞:Occupation, journalist, editor, photographer, curious, personality, enthusiasm
一、說(shuō)教材1、本框的地位和作用本框題是人教版普通高中課程標(biāo)準(zhǔn)實(shí)驗(yàn)教科書思想政治必修4《生活與哲學(xué)》第三單元第九課第一個(gè)框題。從這一框開(kāi)始學(xué)生學(xué)習(xí)唯物辯證法中最基本的概念——矛盾。世界是普遍聯(lián)系和變化發(fā)展的,聯(lián)系的根本內(nèi)容是矛盾,發(fā)展的根本動(dòng)力也是矛盾。矛盾的觀點(diǎn)是唯物辯證法的根本觀點(diǎn)。矛盾規(guī)律即對(duì)立統(tǒng)一規(guī)律揭示了事物發(fā)展的源泉和動(dòng)力。矛盾分析法是我們認(rèn)識(shí)世界和改造世界的根本方法。因而本框題起著承上啟下的作用。2、教學(xué)目標(biāo)知識(shí)與技能:識(shí)記:矛盾、矛盾同一性、斗爭(zhēng)性的含義;矛盾普遍性、特殊性的含義。理解:矛盾同一性與斗爭(zhēng)性的辯證關(guān)系;矛盾普遍性和特殊性的辯證關(guān)系及其重要意義。運(yùn)用:聯(lián)系實(shí)例,分析矛盾含義和矛盾普遍性含義;聯(lián)系生活實(shí)例,分析矛盾特殊性含義。
《矛盾是事物發(fā)展的源泉和動(dòng)力》是人教版普通高中課程標(biāo)準(zhǔn)實(shí)驗(yàn)教科書,《思想政治》必修第4冊(cè),《生活與哲學(xué)》第3單元第9課的第1框的內(nèi)容。本節(jié)課的這部分內(nèi)容,是在學(xué)生們學(xué)習(xí)了上一框用發(fā)展練習(xí)的觀點(diǎn)看問(wèn)題的基礎(chǔ)上展開(kāi)的,本框通過(guò)矛盾同一性和斗爭(zhēng)性,普遍性與特殊性這兩大關(guān)系,揭示矛盾是事物發(fā)展的源泉和動(dòng)力。矛盾是本書的一個(gè)重要觀點(diǎn)。對(duì)于學(xué)生樹(shù)立正確的人生觀以及下一階段的學(xué)習(xí)都用很重要的作用。二、說(shuō)教學(xué)目標(biāo)(每個(gè)說(shuō)1~2個(gè))按照新課標(biāo)教學(xué)目標(biāo),結(jié)合著高二年級(jí)學(xué)生他們的認(rèn)知結(jié)構(gòu)及其心理特征,我制定了以下的教學(xué)目標(biāo):1、知識(shí)目標(biāo):通過(guò)學(xué)習(xí)掌握矛盾的含義。矛盾的同一性和斗爭(zhēng)性。矛盾的普遍性和特殊性。2、過(guò)程與方法的目標(biāo):使學(xué)生初步形成用矛盾的統(tǒng)一性和斗爭(zhēng)性相統(tǒng)一的觀點(diǎn)認(rèn)識(shí)和把握事物的能力,以及通過(guò)運(yùn)用矛盾普遍性和特殊性辯證關(guān)系的原理認(rèn)識(shí)和解決問(wèn)題的能力。
(一)教材的地位新中國(guó)的成立是20世紀(jì)的一件大事。它結(jié)束了幾千年封建專制統(tǒng)治的歷史,開(kāi)啟了中華民族發(fā)展的新紀(jì)元。本課側(cè)重這一時(shí)期一個(gè)非常顯著的特征,即制度的更新,它本身具有知識(shí)的延續(xù)性和鋪墊性。新中國(guó)的成立促進(jìn)了社會(huì)經(jīng)濟(jì)的發(fā)展,也為祖國(guó)的統(tǒng)一奠定了重要基礎(chǔ)。(二)教學(xué)目標(biāo)依據(jù)新課程以人為本,促進(jìn)學(xué)生全面發(fā)展的要求,同時(shí),針對(duì)高一年級(jí)學(xué)生具備一定基礎(chǔ)知識(shí)但掌握不牢固,對(duì)歷史興趣濃厚但又自制能力差的特點(diǎn),我對(duì)本課的三維目標(biāo)設(shè)定如下:見(jiàn)多媒體。(三)教學(xué)重點(diǎn)的確定及處理本課的主題是新中國(guó)的民主政治建設(shè),這個(gè)問(wèn)題的掌握對(duì)以后學(xué)習(xí)中國(guó)民主政治建設(shè)的進(jìn)程有很大幫助,并且學(xué)生能力的提高也有賴于對(duì)它的認(rèn)識(shí),所以確定“人民代表大會(huì)制度的創(chuàng)立”是教學(xué)重點(diǎn)。
四、教學(xué)過(guò)程1.導(dǎo)入新課(2分鐘)出示中非合作論壇暨第3屆部長(zhǎng)級(jí)會(huì)議圖片。用時(shí)事引起學(xué)生注意,設(shè)問(wèn),“55年前,亞洲與非洲有哪一次跨越印度洋的握手”,提示答案“萬(wàn)隆亞非會(huì)議”,給出答案導(dǎo)入新課2.外交環(huán)境:學(xué)生閱讀,教師分析。(3分鐘)3.外交方針之一:獨(dú)立自主的和平外交方針(5分鐘) 出示材料:《共同綱領(lǐng)》引文。學(xué)生、閱讀、提煉除新中國(guó)奉行獨(dú)立自主的外交政策。進(jìn)而由學(xué)生分析另起爐灶、打掃干凈屋子再請(qǐng)客和一邊倒。培養(yǎng)學(xué)生分析材料、利用材料的能力過(guò)度:新中國(guó)作出一邊倒大的積極主動(dòng)態(tài)勢(shì),社會(huì)主義陣營(yíng)的兄弟們也立刻作出了積極回應(yīng)。1949年10月2日,中蘇建立了外交關(guān)系。4.外交建樹(shù)之一:同蘇聯(lián)等17個(gè)國(guó)家建立外交關(guān)系(3分鐘)出示毛澤東訪問(wèn)蘇聯(lián)等圖片和第一批建交的17個(gè)國(guó)家名字
(一)教材的地位與作用教材的第一部分就從地質(zhì)作用的能量來(lái)源的角度,講述了內(nèi)力作用和外力作用及其表現(xiàn)形式;又以地質(zhì)作用不同的表現(xiàn)形式,來(lái)說(shuō)明了激烈迅速的地質(zhì)作用和極其緩慢的地質(zhì)作用,從而使學(xué)生理解地表形態(tài)的變化及這種變化的時(shí)間尺度。第二部分,從三大類巖石的相互轉(zhuǎn)變?nèi)胧郑瑘D文結(jié)合,闡明了在內(nèi)外力作用的參與下地殼物質(zhì)循環(huán)的過(guò)程及其地理意義,該部分內(nèi)容可以看作是全課教材的小結(jié)。(二)教學(xué)目標(biāo)(1)知識(shí)與技能目標(biāo):1、結(jié)合實(shí)例,說(shuō)明內(nèi)力作用的能量來(lái)源及其表現(xiàn)形式,理解地殼運(yùn)動(dòng)是塑造地表形態(tài)的主要作用方式。2、說(shuō)明外力作用的四種形式及其相互關(guān)系,嘗試識(shí)別外力作用形成的不同地貌。3、會(huì)用圖文資料說(shuō)明地殼物質(zhì)循環(huán)的過(guò)程及其產(chǎn)生循環(huán)的物質(zhì)基礎(chǔ)——三大類巖石的轉(zhuǎn)化過(guò)程。4、培養(yǎng)學(xué)生運(yùn)用地理圖表分析歸納的能力,培養(yǎng)學(xué)生與其它同學(xué)交流、表達(dá)的能力。
師:很好!我們知道,元明清時(shí)期,我國(guó)封建社會(huì)進(jìn)入衰落時(shí)期,封建專制不斷加強(qiáng),對(duì)文人的思想控制也在不斷加強(qiáng),士大夫文人只有通過(guò)畫來(lái)表達(dá)自己的想法和內(nèi)心世界,所以這時(shí)候的畫強(qiáng)調(diào)借物抒情。大家可以再看到這幅清朝鄭板橋《墨竹圖》,竹子非常清新俊逸,抒發(fā)了一個(gè)清高的文人情懷。大家可以仔細(xì)品味,鄭板橋的竹子有種脫俗的感覺(jué),看后讓人非常靜心。同學(xué)們,在欣賞國(guó)畫的時(shí)候,我們不是一味地去看它像不像,而要更多去體會(huì)他的精神與氣質(zhì),沒(méi)有思想與內(nèi)涵的人是畫不出一副好畫的,就算他畫技再好,他的也是沒(méi)有靈魂的。中國(guó)的水墨畫,雖然沒(méi)有涂顏料,它卻會(huì)使你感受到春天的綠,秋天的黃和冬天的白,我們可以在畫中找尋到自己精神的共鳴。好,剛剛講了這么多,現(xiàn)在請(qǐng)一位同學(xué)看到這表格來(lái)歸納一下每個(gè)時(shí)期國(guó)畫的不同特點(diǎn)。
強(qiáng)調(diào)重力對(duì)生長(zhǎng)素分布的影響,為下面的內(nèi)容講解做鋪墊,明確植物出現(xiàn)向光性與生長(zhǎng)素分布不均有關(guān)。復(fù)習(xí)舊知識(shí),產(chǎn)生首因效應(yīng),鞏固和加強(qiáng)記憶。通過(guò)植物向光性是生長(zhǎng)素分布較多而促進(jìn)生長(zhǎng),進(jìn)而提出“對(duì)于植物來(lái)說(shuō),生長(zhǎng)素是不是越多越好”這個(gè)問(wèn)題,引發(fā)思考,鍛煉思維。說(shuō)明生長(zhǎng)素濃度對(duì)不同器官產(chǎn)生的影響不同,讓學(xué)生對(duì)這一情況有一個(gè)整體印象。結(jié)合數(shù)學(xué)知識(shí)逐步分析圖上各點(diǎn)和各曲線的含義,引導(dǎo)學(xué)生得出不同器官對(duì)生長(zhǎng)素濃度的敏感性順序,為解釋橫放植物“S”型生長(zhǎng)做鋪墊。通過(guò)對(duì)曲線的分析,得出低生長(zhǎng)素濃度起促進(jìn)作用,高濃度有抑制作用這種雙重性,并得出其雙重性表現(xiàn)。通過(guò)以上的分析和總結(jié),對(duì)橫放植物“S”型生長(zhǎng)進(jìn)行解釋,達(dá)到首尾呼應(yīng)的效果。采用“蒙太奇”手法,引申到“太空中,橫放植物將會(huì)如何生長(zhǎng)”這個(gè)問(wèn)題,引發(fā)學(xué)生的聯(lián)想和思考,以這種提問(wèn)方式結(jié)課為下節(jié)課的開(kāi)課做了鋪墊,掌握了主動(dòng)權(quán)。