2022年范文范本鼎尖教案高中英语编写模板(共3篇) .doc
鼎尖教案高中英语编写模板(共3篇) YOUR LOGO原 创 文 档 请 勿 盗 版鼎尖教案高中英语编写模板(共3篇) 第1篇:鼎尖教案高中英语鼎尖教案高中英语【篇1:2014pep小学英语六上新版第五单元unit 5教案顶尖教案教案齐全】课题 (第 5 单元第 1 课时) 1教后记: 2课题 (第 5 单元第 2 课时) 3教后记 4课题 (第 5 单元第 3 课时) 5【篇2:1单元学案】unit 1 how do you study for a test? section a 1a2c【学习目标】知识目标:1、熟练了解以下句型(1)a: how do you study for a test?b: i study by working with a group?(2) a: have you ever studied with a group ?b: yes, i have.ive learned a lot that way. 2、了解 “by doing ”结构3、熟练了解词汇:aloud, pronunciation, flashcard, vocabulary技能目标:能用how引导的特殊疑问句和by短语对学习方法进行讨论。情感目标:能和别人交流学习方法,形成相互交流相互推动的学习氛围。【课前准备】、(1)你认为接下来图片中的人或物哪些对你的英文学习有辅助,快把它们选出来吧。你能根据图片,结合课本1a和2a内容,用英文写一写学习英语的方法吗?(越多越好哦!)1、对照课前准备i的内容,在班里举办一次自由访谈,向你认为英语成就优异的同学请教一下学习方法,或者把你的经验告诉其他同学。并由老师辅助汇总。 2、在1a中选出你认为适合自己的学习方法。并在1a中弥补你采取的其他方法。3、观察1a中三幅图片,他们都在做什么?用英语怎么说?1、听1b中孩子们谈论的学习英语的方法。根据所听录音,将1b中的人名和1a图片中的字母匹配。 2、听两遍录音,完成接下来的对话。a: you did really well on the last english test, didnt you, mei? c: yeah, i did ok.a: well, how did you study? .a: maybe ill try that.how did you study, pierre?a: thats interesting., antonio?.but sometimes my mother thinks im listening to music.and then she gets mad.观察和思考:通过刚才的听力训练,请你来总结一下:向他人请教学习英语的方法应该用来提问。告诉他人自己的学习方法应该用 结构来表达。3、pairwork: 根据你总结的句式,仿照1c 对话,两人一组,试着练习接下来的句型,a: how do you study ? b :i study by ? 4、熟读2a的五次问题。5、听2a录音,2a中的问题有哪些在录音中提到?请在你听到的问题前打()。6、听2b录音,从2b的句子中找到2a问题的答语。并将2b的字母和1a的序号匹配。7、听录音,完成接下来的对话。girl 1: welcome to the english club.today were going to talk about the best ways to learn english.who has an idea? boy 1: ?girl 2: no.its too hard to understand the voices . boy 1: ? do you learn english that way?girl 2: i think so.it helps to write every day.girl 3: have you ever studied girl 2: yes, i have! ive learned a lot that way.girl 1: do you ever with friends?girl 2: oh, yes.it improves my speaking skills. boy 1: what about ?girl 3: i do that sometimes.i think it helps.观察和思考:这些学习方法的效果如何呢?用什么句式对它们进行评价?请参照2b内容进行总结,并把这些句式记录下来。1a和2a中出现很多学习英语的方法,你能把它们找出来吗?1、pairwork: 采取合理的学习方法很重要,针对自己的情况,和同桌一起讨论从1a和2a中找到的学习方法,对其效果进行评价。评价时可借助如下对话形式:a: have you ever studied with a group?b: yes, i have.ive learned a lot that way.1.do you learn english by (watch) english-language videos? 2.do you often practice (speak) english with friends? 3.what about (read) the text aloud?4.have you ever (study) with a group?5.they are studying the (pronounce) of english. ii、根据所给汉语提示完成句子。 1.-how do you study for the test? - 通过制作抽认卡).2.-how does pierre study chinese?通过朗读课文).3.-how does mei study english?通过制作词汇表).4.-how does tom improve his listening skills?通过听磁带).5.-how are you going to study to improve your spoken english? -im going to study (通过和朋友练习对话以及大声读练习发音)i have made in cla.【课堂反思】1、你和你的朋友在学习的过程中遇到很多困难,当你们互相探讨学习方法时,应采取什么句式呢?请你把它总结出来。2、将本课学到的学习方法记录下来。在以后的学习中,希望你能将这些方法学以致用,使你的学习成绩更上一层楼。【家庭作业】1、结合课堂反思情况和学习目标,熟练了解本课的语言结构。 2、利用本课所学着重句型,并联系你的生活现实,编写对话。对话内容:你和你的英国朋友mike互相请教学习英语和汉语的方法。3、依据下一次学案的学习目标,完成课前准备。 unit 1 how do you study for a test? section a 3a4【学习目标】知识目标:1.熟练了解以下句型:(1)lillian li, for example, said the best way to learn new words was by reading english magazines.(2)she said that memorizing the words of pop songs also helped a little.(3)sometimes, however, he finds watching movies frustrating becausethe people speak too quickly.(4)we get excited about something and then end up speaking in chinese.2熟练了解词汇:differently, quickly, specific, memorize, grammar, frustrate, add技能目标:能用知识目标1中的句型对各种学习方法进行讨论,探讨最佳学习方法。情感目标:能根据自己的现实采取适合自己的学习方法,形成次性化的学习特点。【课前准备】i、回忆过去学过的水平副词,并依照由弱到强的顺序排列。(弱) (强)ii、对于各种学习英语的方法,哪些是你经常采取的?哪些是你有时采取的?哪些是你从来不必的?把它们列举出来。iii、在众多的学习英语方法中,你认为哪些是最佳的方法,而哪些是最不实用的?the best ways to learn english:the ways that arent helpful at all:【学习过程】1、groupwork:iii的内容,说明自己观点,并说明自己的理由。 2、将讨论的结果分类汇总。快速阅读短文,回答下列问题。 (1)how many students talked about the ways to learn english?(2)how many ways did every student talk about?2、仔细阅读短文,将每次学生提到的学习方法在3a中标出 3、再细读短文,完成3a的表格。4、自我检测一下你对课文的理解,相信你是最棒的。 how do you learn best ?li, for example, said the best new words was by english magazines.she said thatthe words of pop songs also helped a little.when we asked she said.“i nevergrammar.its too boring.” wei ming feels differently.hes been learning english for six years and really loves it.he thinksgrammar is a great way movies frustrating because the people speak too quickly.liu chang said that her english.students get lots of practice and they also have fun .she added thatconversations with friends was not helpful at all.“we get excited about something and thenend in chinese,” she said.观察和思考:通过刚才的填空练习,你发现接下来这些用法的规律了吗?(1)way后面既可跟作定语,也可以跟 结构作定语。练习:can you tell me the best way (learn) a language?i want to know the way of (study) grammar.(2)end up 意为,后接动词的形式。练习: we ended upbecause of the bad weather.(travel)(3)动名词在句子可以做、等句子成分。介词后也跟 。练习: (eat)vegetables is good for our health.b: sure.a: great! what your name? b: wei ming.a: and how do you learn english, ming?b: i learn english by reading english magazines. 2、根据课前准备ii的内容,完成4的表格。3、借助接下来的小对话,根据4的表格,进行采访练习。 a: do you write vocabulary lists?、根据句意及首字母提示完成单词。 _his lines(台词). about .learning aim. as soon as he heard the ring. ii、根据所给汉语完成句子。1.the teacher asks us(记住)twenty new words every day. 2.tom,pay more attention to your (发音). 3.are you tired? (一点也不累).4.such people can only (结局)by leaving the patry.5.i _ the work very _ .(我发现这份工作非常无聊。) 6.her daughter learned english (通过观看)english language videos.【课堂反思】在本课,我们又了解到许多学习方法。相信对你一定有所辅助。请用我们所学的语言结构来谈一谈各种学习方法的效果如何。【家庭作业】1、根据本课所学到的着重句型,模仿3a写一篇相关学习方法的调查讲演。(科目不限) 要求:(1)应有对学习方法效果的评价,且不单一。(2)字数100字左右。 2、依据下一次学案的学习目标,完成课前准备。 homework. 1单项选择。 2.完成句子。【篇3:外研版五年级英语下册完整教案】module 1 changingunit 1 we lived in a small house.学习任务there weren?t any buses.we lived in a small house.there are lots of buses and cars.we live in a big house.功能比拟过去和现在的生活运用任务1、sb第一单元活动3;2.谈论远古时代人们的生活和我们现在生活的不同; 3.介绍校园(班级、城市、社区)里的变更;教学程序一 warming up(热身复习) 1.greeting2.talking about: holiday and changing of you. 二 leading in(课文导入)t: in the winter holiday, you had a lot of changes.now you are older and cleverer .i am very glad to see your changes.and write ?changing? on the blackboard.tell students ?everything is changing.no change, no progrees.三 new teaching(课文教学)1.show some old photos and say: look, life was very different many years ago .but how was it different? today, we will learn how to compare past and present life.2.listen to the tape and underline the new words. 3.teach the new words.a.show some new word cards. b.correct pronunciation.c.practise new words in different kinds of method. d.explain important phrases.4.listen to the tape-recorder and read follow it . 5.act out text.四 practise(练习)1.pay attention to sb unit1 part2 and copy them to make sentences.2.完成运用任务1:show some pictures.make some students find different in them and describe in english. 3.完成运用任务2 describe past and present life 4.完成运用任务3五 summary and homework.(总结和家庭作业) 1.summary(总结)t: today we have learnt “how to describe past and present life, review simple past tense and present tense.” 2.today?s homework(家庭作业)a.listen and read unit1 three times, try to recite and act. pare two photos and write differences.板书设计:module 1 changingunit 1 we lived in a small house.werent livedsmall are livebig练习:单项选择(10分) 1( )there weren?t _buses .a.some b.anyc.one 2 () we lived _ a small house.a at b in con3 ()yesterday i watched tv _my grandchildren.a and b with 4 () thank you for_ me.a help b helping c helped5 () she _ tv every day.a watching b watched c watches.6 () it?s a programme _ monkeys.a about b for c in7 () she _ have a bike last year.a doesn?t b didn?t c don?t 8 () my mother worked _the fields.a in b on c at 9 () -_do you go to school every day? - i go to school by bus. a howb whatc when10() there _ three books on the desk one hour ago. a wasb were c are教后记: c tounit 2 she didnt have a television.学习任务she didnt have a television. she worked in the fields.功能谈论人们过去和现在的生活变更。运用任务1、sb第二单元活动2 2、sb第二单元活动53、通过画画,给同学说说自己家乡的变更或者给笔友写一封信说说自己家乡的变更。教学程序一warming up.(热身复习) 1.greetings.2.act out last text.3.free talk: compare ?old china and new china.?二lead in(课文导入)yesterday, lingling saw the programme about china, she mied her grandmother very much.so she writes a letter for daming, tells about that programme and her feeling.三new teaching.(课文教学) 1.show some questions.a.what programme did lingling watch last night? b.what was the old lady?s life like many years ago? c.who does lingling mi?2.listen to the tape-recorder and find answers. 3.learn new words.a.show some object and cards. b.correct pronunciation.c.practise new words in different kinds of method. 4.listen to the tape-recorder and act out it.四 practise(练习) 1.play a game.put nine cards on the desk.two students use cards to make dialogue.for example:a: where was he/she seven days ago?b: he/she was a: what did he/she do there?b: he/she 2、完成运用任务1:sb第二单元活动2 3、完成运用任务2:sb第二单元活动54、完成运用任务3:通过画画,给同学说说自己家乡的变更或者给笔友写一封信说说自己家乡的变更。 5、学说字母组合的发音。首先,听音学说,找出共同发音.再让学生试着找出其他学过的单词,如果没有,教师可以写出一些生词,让他们大胆试读,以加深他们对这种拼读规则的理解。五homework(家庭作业)introduce the great changes of our hometown/school/home.板书设计:unit 2 she didnt have a television.she didnt have a television. she worked in the fields.练习:句型转换1 she was a teacher.(变一般疑问句) _ _ a teacher? 2 they will fly kites.(变否定句) they_ fly kites.3 they should cook vegetables.(变否定句) they _ cook vegetables 4 he visited the british museum yesterday.(变为一般将来时态)_5 there were many buses.(变为一般现在时态)教后记:module 2 grandparents unit 1 she learnt english.学习任务she learnt english.did she learn any foreign languages. he is learning english now.功能谈论过去并和现在做比拟运用任务1、说说爷爷奶奶退休前的工作及语言学习情况; 2、谈论昨天一家人的活动;教学程序一、warmingup(热身复习) greeting:t: hello, good morning, cla.s: good morning, teacher. t: how are you today? s: we are well. t: what day is today?s: thursday.t: are you ready for your english cla? s: yes.we are ready. game: review the past tense of some verbs.二、new teaching (课文教学)1.use some pictures to learn important sentences.did you/he /she .? yes, i/she/he did.no, didn?t.he is doing .2.learn new words and phrases.teacher plays the tape and have underline the new words and phrases.teacher guides to learn by all kinds ofmethods.3.listen and repeat4.act out the test.(give some minutes to practise.)三、practice and consolidate.(练习和巩固)1.show two pictures and have describe (use the important sentences)第2篇:【鼎尖教案】高中化学 第二节离子反应的实质(备课资料)鼎尖教案学科网独家提供!欢迎您下载!备课资料一、离子反应的类型1.复分解型(如溶液中酸碱盐之间的离子反应)2.置换反应型(如活泼金属和酸、盐溶液中的阳离子和活泼非金属和盐溶液中的阴离子间反应等)。Cu2Fe=Fe2Cu Cl22Br=Br22Cl3.盐类水解型Fe3H2O-PO3H2O43Fe(OH)33H-HPO2OH 42Al3S6H2O=2Al(OH)33H2S4.复杂的氧化还原型2FeH2S=S2Fe2H-3Cu8H2NO3=3Cu22NO4H2O32325.水溶液中进行的电解反应,如:2Cu2H2O=2CuO24H(电解CuSO4溶液)6.有络合物生成的反应,如:Fe33SCN=Fe(SCN)3二、离子方程式的正误判断 1.必需遵守“三大守恒”方程式都要遵守三大守恒规律:方程式两边元素的种类应守恒;方程式两边的原子次数应守恒;方程式两边各离子所带的电荷数的代数和应守恒。2.必需符合反应事实(1)化学用语是否准确,化学式、离子符号、积淀、气体符号、等号、可逆符号的书写是否符合反应事实。一般易溶于水的强电解质在水溶液中应写成离子符号,不溶于水的电解质,可溶于水的弱电解质及所有的非电解质、单质均应写成化学式。如CaCO3、CH3COOH、SO2、P4、Fe、CH3CH2OH、H2SiO3均应在离子方程式中写成化学式,至于强电解质的微溶物,在生成物中一般写成化学式,反应物中则看情况而定,如:石灰乳则写成Ca(OH)2,而廓清的石灰水则应写成Ca22OH,又如NH+4OH,一般未说明或浓溶液中应写成2+NH+4OH=NH3H2O,而在稀溶液中反应可写成NH4OH=NH3·H2O。弱电解质的电离、弱离子的不完全水解,常见的可逆反应均用可逆符号。如Cl2H2OHClHClO、NH+4CH3COOH2OCH3COOHNH3·H2O。一般情况下,可逆符号和积淀符号和气体符号不同时使用。(2)氧化还原反应是否符合反应事实:主要是看反应能否进行或反应产物是否正确。如FeH只能生成Fe2H2,而非Fe3H2。(3)和量相关的反应是否表白准确。由于许多反应是分步进行的,则方程式的书写应根据反应物的量的关系来确定反应进行的水平。如未给出反应物的量的关系,则各水平的反应的方程式均认为可能发生。如FeBr2Cl2,氯气欠缺,应写成2Fe2Cl2=2Fe32Cl;若氯气过量,则应写成:2Fe24Br3Cl2=2Fe32Br26Cl。若未加说明反应物的量关系,则二者均可。鼎尖教案学科网独家提供!欢迎您下载!三、常见和反应物的量相关的离子方程式 1.少量的NaHCO3和足量的廓清石灰水反应NaHCO3和足量的廓清石灰水反应2.氯化铝溶液中加入少量氢氧化钠溶液 氯化铝溶液中加入过量氢氧化钠溶液 3.硝酸银溶液中加入少量氨水 硝酸银溶液中加入过量氨水 4.碳酸钠溶液中缓慢加入少量盐酸 碳酸钠溶液中缓慢加入过量盐酸 5.溴化亚铁溶液中通入少量氯气 溴化亚铁溶液中通入过量氯气 6.在稀硝酸中加入少量铁粉 在稀硝酸中加入过量铁粉-1.HCO3Ca2OH=CaCO3H2O2-2HCO3Ca2OH=CaCO3CO32H2O 22.Al33OH=Al(OH)3Al34OH=AlO22H2O 3.2Ag2NH3·H2O=Ag2O2NH+H2O 4Ag2NH3·H2O=Ag(NH3)22H2O 2-2-4.CO3H=HCO3CO32H=CO2H2O 5.2Fe2Cl2=2Fe32Cl2Fe24Br3Cl2=2Fe36Cl2Br2-6.Fe4HNO3=Fe3NO2H2O -3Fe8H2NO3=3Fe2NO4H2O四、微溶化合物在离子方程式中的书写原则1.有微溶化合物加入的、在稀溶液中进行的离子反应,若生成物的溶解度小于微溶化合物(反应物)的溶解度,该微溶化合物应写成离子的形式。2.微溶化合物以浊液加入反应时,微溶化合物应写成分子形式。五、用离子电子法配平氧化还原离子方程式离子电子法主要用于在水溶液中发生的较复杂的氧化还原离子方程式的配平。 离子电子法配平的基本步骤如下:1.根据反应中的氧化剂和还原剂及相应的还原产物和氧化产物写出两次反应式,一次谨代表还原剂被氧化的反应,另一次谨代表氧化剂被还原的反应。这两次反应分别被称为半反应式。2.根据反应前后电荷相等的原则写明半反应中得失电子的情况。3.根据氧化剂和还原剂得失电子数相等的原则,在两次半反应式中分别乘以适当的系数。(由得失电子数求出的最小公倍数而进一步确定的系数)4.将两次半反应式相加就得到了一次配平的离子方程式。 在具体使用这种方法配平时,有时会遇到氧化还原的两次半反应式两边的氧原子数不鼎尖教案学科网独家提供!欢迎您下载!等的情况。正确地处理好这次问题是这种配平法的一次难点,在处理时根据反应的介质情况采用加H、OH或H2O的方法进行调节。接下来举例说明(1)当反应物氧原子数少于生成物氧原子数时。 在中性或酸性介质中半反应式可采用接下来的措施:(左)H2O¾¾®2H(右)例:在配平中性介质中KMnO4和K2SO3反应生成MnO2和K2SO4的化学方程式中遇到2-2-SO3。 ¾¾®SO4的氧化反应式(其中反应物氧原子数少于生成物)2-2-SO3¾¾®SO4加水进行调节得:2-2-SO3H2O¾¾®SO42H2e在碱性介质中半反应式可采用:(左)OH¾¾®H2O(右)例:配平Cl2和NaOH溶液反应生成NaCl和NaClO的方程式。半反应式为:氧化反应:Cl2¾。 ¾®2ClO(反应物氧原子数少于生成物氧原子数)左边加OH进行调节:Cl24OH¾¾®2ClO2H2O2e还原反应为:Cl22e=2Cl 两次半反应相加得:2Cl24OH¾¾®2ClO2Cl2H2O化简为:Cl22OH=ClOClH2O (2)当反应物氧原子数多于生成物中的氧原子时。 在酸性介质中可采取:(左)2H¾¾®H2O(右)例如:配平KMnO4和HCl反应的方程式。 半反应分别为:¾®Cl22e 氧化反应:2Cl¾2¾®Mn(反应物中氧原子数多于生成物中氧原子数) 还原反应:MnO-4¾左边加H调节2¾¾®Mn4H2O MnO-48H5e使两次半反应式中的氧化剂、还原剂得失电子数相等。¾®5Cl210e 所以(2e)×5得:10Cl¾鼎尖教案学科网独家提供!欢迎您下载!2(5e)×2得:2MnO-16H10e¾¾®Mn4H2O 4两次半反应相加得:2MnO-10Cl16H=2Mn25Cl28H2O 4在中性或碱性介质中采用:(左)H2O¾¾®OH(右)例如:在配平中性介质中KMnO4和K2SO3反应生成MnO2和K2SO4的化学方程式。 半反应分别为:还原反应:MnO-¾®MnO2(反应物中氧原子多于生成物中的氧原子数) 4¾左边加水调节得:MnO-2H2O3e¾¾®MnO24OH 42-2-氧化反应:SO3¾¾®SO4(反应物中的氧原子数少于生成物中的氧原子数)左边加OH调节得:2-2-SO32OH¾¾®H2OSO42e将两次半反应中的物质配以适当的系数使其中的氧化剂、还原剂得失电子数相等。 (3e×2) 2MnO-4H2O6e¾¾®2MnO28OH 42-2-(2e×3) 3SO36OH¾¾®3H2O3SO46e两次半反应式相加即得到配平了的离子方程式:2-2-2MnO-43SO3H2O=2MnO23SO42OH六、纯净水和矿泉水1.怎样区别两瓶没有标签的水,其中一瓶是纯净水,一瓶是矿泉水?(1)电导率法。由于纯净水中几乎不含或含极少量的离子,导电能力很差。而矿泉水中有许多以离子形式存在的矿物元素,因此矿泉水的导电能力会明显强于纯净水。我们只要用电导率仪分别测定两种水的电导率(一种衡量溶液导电能力的物理量),电导率大的水就是矿泉水。事实上,电导率指数正是纯净水合格的指标之一,只有电导率小