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1、The Third PeriodThe General Idea of This PeriodIn this period were going to learn another reading passage.Teaching Aims1.Learn and master the following words and expressions:rustboil ordinarysteamfloatformdissolveadd tokeep out of2.Learn to describe a simple scientific experiment.Teaching Difficult
2、Points1.Enable the Ss to write a report on a scientific experiment.2.Learn to use the new words and expressions in this part.Teaching MethodsReading,question and answer.Teaching Aids1.a tape recorder2.a computer3.some test tubes,nails,Bunsen burner,balance,tongsTeaching ProceduresStep 1 GreetingsGre
3、et the whole class as usual.Step 2 RevisionShow the metals learned in the last period to the class and ask them to name them in English.Step 3 PresentationRead the passage to find the answers to the questions.1.Whats the aim of the experiment?2.What equipment do we need in order to do the experiment
4、?3.How long does it take to see whether iron rusts in the three cases?4.How can we take the air out of water?5.How can oil prevent air entering water?(Show the questions above on the screen.)Step 4 ReadingRead the passage individually and then discuss in pairs or groups.Its a good time to learn the
5、new words and understand the meaning of the passage.Step 5 Call back the answers from the Ss1.It is to find if iron rusts in dry air,in airfree water or in ordinary water.2.We need some test tubes,test tube holder,cotton wool,oil and Bunsen burner.3.A week.4.We can take air out of water by boiling i
6、t.5. Because oil is lighter than water,it stays on the surface of water.Step 6 Learn the new words1.Ask the Ss to pick out the new words in Passage B. Write the words on the blackboard. rust,test tubes,nails,Bunsen burner,boil,ordinary2.Read the new words after you twice. Bring out the apparatus on
7、the desk.Step 7 Careful readingT:Well.Now reread the passage carefully to further understand it. Then work in pairs to fill in the blanks on Page 45.Step 8 Language points1.Add some oil to the water.在水中加点油。add sth. to sth. else Add some sugar to the soup.在汤里加点盐。He planned to add a room to his house.
8、他打算再扩建一间屋子。Five added to ten makes fifteen.五加十等于十五。2.This will keep air out of the water.这会使空气不进入水中。keep.out of. 把挡在外面;不让靠近The dog is smelly. Keep it out of the room.这狗身上很难闻，把它弄到屋子外面去。Keep out of the railroad track.请勿靠近铁轨。3.Iron rusts in ordinary water.铁在普通的水里会生锈。ordinary 一般的;普通的;平常的in ordinary dres
9、s 穿着便服ordinary work 平常的工作Step 9 PracticeComplete the sentences on P46,Part 5.Keys:1.nail2.does not rust3.boil;air4.oil;air5.iron; airStep 10 Assignment1.Do the experiment in groups of three after class.2.Report a similar experiment you have just done in the lab.Step 11 The design of the writing on t
10、he blackboardModule 5A Lesson in a LabThe Third Period1.Whats the aim of the experiment?2.What equipment do we need in order to do the experiment?3.How long does it take to see whether iron rusts in the three cases?4.How can we take the air out of water?5.How can oil prevent air entering water?rust,
11、test tubes,nails,Bunsen burner,boil,ordinary add sth. to sth. else keep.out of. ordinaryStep 12 Activity and InquiryStepsStudents ActingTeachers Organizing1Complete the description involved in somecareful reading for specific information (scanning)and reorganize the information.Remind the students how they usuallywrite up scientific experiments.2Complete the description on their own,andthen check their answers in pairs.Ask the students to complete thedescription on their own.3Give the answers.Play the recording again.
2020高中英语 Module 5 3rd period优秀教案 外研版必修1
