1、 Unit 9 When was it invented? (The 1st period)Teaching Aims and Demands1Knowledge Objects(1) Key Vocabulary : invent, invention, inventor, calculator(2)Target Language: A: When was the telephone invented?B: I think it was invented in 1876.2Ability Objects(1) Teach the students to use the new words.(
2、2) Train the students to talk about the history of inventions.(3) Train the students listening and speaking skills with the target language.3Moral ObjectsMany important inventions have changed the world a lot. Doyou know the inventors of them? And when were they invented?Teaching Key Points1Key Voca
3、bulary: invent, invention, inventor, calculator2Target Language:Talk about the history of inventions.Teaching Difficult Points1Train the students to talk about the history of inventions.2Train the students to understand the target language in spoken conversation.Teaching Methods: Listening, Groupwor
4、k, Pairwork.Teaching Aids: Powerpoint, flash, Some pictures or real objects of the inventions.Teaching ProceduresStep Revision: Revise the language points in Unit 8. Ask some students to say something about Jimmy and the stories happened . Encourage them to use the Past Perfect Tense and phrasal ver
5、bs.Step presentationThis activity reviews vocabulary and introduces new vocabulary which can be used to talk about inventions.Some new words:invent, invention, inventor, calculatorWe are lucky. We live in the modern world. We can enjoy our lives. If we feel bored. we can watch TV for having fun. If
6、we want to America. We can go there by plane. If we dont want to wash our clothes by hands. We can use washing machines. What other inventions do you know?Call the students attention to the five pictures. Point to each picture and let the students tell what it is.Have several different students gues
7、s and write the dates on their own books.Guess:Which one was invented earlier? I think the was invented before /after the Ask different students to answer the questions.Step Listening:This activity gives students practice in understanding the target language in spoken conversation.Call the students
8、attention to the five inventions in the picture. Ask five students to say the names of them.Then ask them to see the five dates with a blank line in front of each.Then play the recording again. Pause after each important sentence and let the students repeat. Step Pairwork:(1) This activity provides
9、guided oral practice using the target language.Read the instructions and point to the list of dates in Activity 1b.You will be talking about the dates things were invented with a partner.Write the conversation on the blackboard. Then get the students to practice in pairs, using the information in Ac
10、tivity 1b. Ask several pairs to share their conversations with the class.(2) Give some inventions and inventors. make a dialogue use the following structures:A: Who was the _ invented by ?B: It was invented by _.A: What is it used for?B: Its used for _get the students to practice in pairs, using the
11、 information given. Ask several pairs to share their conversations with the class.Step Groupwork:Give some inventions and inventors .Make a short play and a dialogue with following structures:When was invented ?Who was invented by ?Whats used for ? get the students to practice in groups, using the information given. Ask several groups to share their short plays and conversations with the class.Step HomeworkMake a survey. Find 4 inventions and look up When, Who and be used for .学优中考，网
