2012高中英语 Module 5 3rd period优秀教案 外研版必修1

用心 爱心 专心1 TheThe ThirdThird Period Period TheThe GeneralGeneral IdeaIdea ofof ThisThis Period Period In this period we re going to learn another reading passage TeachingTeaching Aims Aims 1 Learn and master the following words and expressions rust boil ordinary steam float form dissolve add to keep out of 2 Learn to describe a simple scientific experiment TeachingTeaching DifficultDifficult Points Points 1 Enable the Ss to write a report on a scientific experiment 2 Learn to use the new words and expressions in this part TeachingTeaching MethodsMethods Reading question and answer TeachingTeaching Aids Aids 1 a tape recorder 2 a computer 3 some test tubes nails Bunsen burner balance tongs TeachingTeaching ProceduresProcedures Step 1 Greetings Greet the whole class as usual Step 2 Revision Show the metals learned in the last period to the class and ask them to name them in English Step 3 Presentation Read the passage to find the answers to the questions 1 What s 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 Show the questions above on the screen Step 4 Reading Read the passage individually and then discuss in pairs or groups It s a good time to learn the new words and understand the meaning of the passage Step 5 Call back the answers from the Ss 1 It is to find if iron rusts in dry air in air free 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 it 5 Because oil is lighter than water it stays on the surface of water Step 6 Learn the new words 1 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 ordinary 2 Read the new words after you twice Bring out the apparatus on the desk Step 7 Careful reading 用心 爱心 专心2 T 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 points 1 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 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 dress 穿着便服 ordinary work 平常的工作 Step 9 Practice Complete the sentences on P46 Part 5 Keys 1 nail 2 does not rust 3 boil air 4 oil air 5 iron air Step 10 Assignment 1 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 the blackboard Module 5 A Lesson in a Lab The Third Period 1 What s 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 test tubes nails Bunsen burner boil ordinary 用心 爱心 专心3 add sth to sth else keep out of ordinary Step 12 Activity and Inquiry StepsStudents ActingTeacher s Organizing 1Complete the description involved in some careful reading for specific information scanning and reorganize the information Remind the students how they usually write up scientific expe