九年级全一册《Lesson 25 Let’s Do an Experiment!》公开课教案初中英语-九年级英语教案

教案Lesson25Lets Doan ExperimentI知识与技能Mastery words and expressions:science,experiment,fill,proveOral wordsand expressions:theory,jar,upside,observe,right,side up,upside down教学目标II

1.Use theSimple PresentTense.

2.Express certainty and uncertainty教学重点HI

1.Learn toexpress sequence;

2.How toexpress anexperiment.教学难点IV Expresscertaintyanduncertainty教学方法V Listening,reading,and speaking教学用具:VI jar,cardboard,watervn教学过程Stepl.Teacher bringsthe jar,cardboard andwater to the class.Show them tothe studentsand askwhat experimentswe can do withthem.Let thestudentsshow themand explain the reasonsto the students.Let the students workin groupsand discussthe experiments.Whenone groupis doingthe experiments,the otherscan askthe questions.The teachercan askquestions,too.Step

2.Now let thestudentsopen theirbooks andguess whatthe experimentis.Ask thestudents tosay itin English.Step

3.Read thetext silentlyand answersthe followingquestions.

1.What keepsthe waterinthejar

2.Is Jennysure ofher theoryHow doyou know

3.Why doesDanny puton hisraincoat

4.What doesDanny concludeStep

4.Read thetext carefullyand checkthe answers.Explain somewordsand expressions to the class.Step

5.Explain somewordsandexpressionstothe class.做实验

1.do anexperiment同义句carry out/make anexperiment我用水把瓶子装满

4.You thinkthe waterwill pourout,Danny.pour在本句中的意思是“涌流”它还有“倒；下倾盆大雨倾诉”的意思她小心翼翼地把大米倒入灌She pouredthe ricecarefully intothe pot.中倾盆大雨下了一整天了The rainhas beenpouring allday.你可以向亲密朋友倾诉烦You canpour yourtroubles toa closefriend.心事我如此确信我的理论

6.It isstrong enoughto holdthe water句中的enough todo...意为“足以......做某事”，这里的enough是副词作用，用在形容词或副词后作状语艾伦到上班年龄了Allan isold enoughto goto work.Step

6.Summary:The experimentis themain partof thetext.If wehave time,do itin theclass.Then askthemtodescribe whatthey see.Give areport totheclass.If thetime inclass isntenough,letthestudents dothe experimentafterclass.Then reportthe resulttotheclass.The teachercandotheexperiment forthestudents,too.Step

7.Homework

1.Review thenext lesson.

2.Finish offthe activitybook.教学反思w收获____________________________________________________不足____________________________________________________改进措施________________________________________________。