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1、高一英语 Unit16Scientists at work第二课时精品教案 旧人教版第一册The Second PeriodTeaching Aims:1.Learn and master the following:Words:conduct,charge,shock,prove,work,tear,fasten,explain,appearPhrases:do an experiment,a great deal of,tieto stopfromSentence Pattern:Having realised that I could use,I decided to do an2.Re
2、ad the passage and learn how the scientist Franklin found lightning and electricity are the same.3.Improve the students reading ability through reading activities.Teaching Important Points:1.Learn the words and phrases listed above.2.Train the students to improve their reading comprehension.Teaching
3、 Difficult Points:1.Understand the following sentences correctly:(1)Having realised that I could use a kite to attract lightning,I decided to do an experiment.(2)Fly the kite when a thunderstorm appears to be coming on.2.How to help the students understand the passage better.Teaching Methods:1.Quest
4、ion-and-answer method to make students interested in what they will learn.2.Fast reading to get the general idea of the text.3.Careful reading to answer some detailed questions.4.Individual,pair or group work to make every student work in class.Teaching Aids:1.a tape recorder2.a projector and a comp
5、uter for multimedia useTeaching Procedures:Step .GreetingsGreet the whole class as usual.Step .RevisionT:In the last period,we talked about advantages and disadvantages of some discoveries.And I asked you to make up a dialogue with the information of one discovery.Now Ill ask two students to act out
6、 the dialogue in front of the class.Any volunteers?S1:S2Step .DiscussionT:(Show a picture of a telephone on the screen.)Please look at the picture on the screen.Whats it?Ss:Its a telephone set.T:Do you know who invented the telephone?S3:Yes,I know.It was Alexander Bell who invented the telephone.T:Y
7、ou are right.Bell was a great inventor in America.In 1876,he invented the telephone.After 4 years,he invented photophone again.There are many famous scientists like him all over the world.They made many important inventions in many fields.Do you know the names of some famous scientists?What are they
8、 famous for?Any volunteers?S1:Edison.He was a great inventor.He invented the electric bulb,the phonograph and many other things.S2:Calilean.He made on astronomical telescope and first began to do a scientific experiment.S3:Harvey.He was a founder of experimental bionomy in modern times.S4:Einstein.H
9、e was famous for his theory of relativity.S5:T:Yes.You are right.In the eighteenth and nineteenth centuries,scientists all over the world also made many important discoveries in many different fields,such as in physics,medicine,chemistry and biology.Can you name some of them?Why are their discoverie
10、s important?Now please discuss the questions in groups of four and write down your answers on a piece of paper,then Ill check the answers.(Teacher gives them some minutes to discuss and then collects the students idea.)Suggested answers:S6:Newtons.He was the famous physicist and mathematician in the
11、 history of science.Also he made a telescope.He found the law of universal gravitation and Newton Law.Without Newton Law there wouldnt be modern physics.S7:Marie Curie.She was an extraordinary woman scientist.She found radium and uranium.She made a great contribution in physics.If there were no radi
12、um and no uranium,we couldnt take x-ray photos,which are very helpful to modern medicine.S8:Darwin.He was the founder of the theory of evolution.His theory makes us know the origin of human and the development of human better.His theory is very important to the development of biology.S9:Nobel.He was
13、 the inventor of the detonator and set up“Nobel Prize”.His invention made it safer for humans to use explosive.His Nobel prize encourages more people to make more contributions to the world.S10:Step .Pre-readingT:Well done.You have known much about some famous scientists and their important discover
14、ies.Do you know something about Franklin?S11:Yes.Franklin was a Northern American scientist and discovered the secret of lightning.T:Very good.How did he discover the secret?He did it through a famous kite experiment.Today well read a passage to know about his experiment.Before reading it,well learn
15、 the new words first.Please look at the screen.Lets read the words together.(Teacher shows the new words on the screen.)New words:conduct vt.引导；管理；指挥n.行为；操行conductor n.charge vt.充电prove vt.证明；证实tear vt.(tore,torn)撕扯；撕裂；撕毁fasten vt.扎牢；拴紧；使固定explain vt.解释；说明explanation n.shock vt.打击；震动thunderstorm n.雷
16、暴condenser n.冷凝器；电容器string n.线；细绳handkerchief n.手帕frame n.结构；框架foot n.英尺；脚feetl (pl.)n.ribbon n.缎带；丝带electric adj.电的electricity n.sharp adj.锐利的；锋利的(Teacher corrects the students mistakes in pronunciation,gives simple explanation and gets the students to have enough time to remember the new words.)Step
