英语人教版九年级全册unit6 sectionA (1a-1c).doc

Unit6 When was it invented?Section AThe First PeriodBy Ao Fan. Teaching Aims and Demands1. Knowledge Objects （1） Key Vocabulary: invent （2） Target Language When was the telephone invented? I think it was invented in 1876.2. Ability Objects （1） Teach the students to use the new words. （2） Train the students to talk about the history of inventions. （3） Train the students listening and speaking skills with the target language.3. Moral ObjectsMany important inventions have changed the world a lot. Do you know the inventors of them? And when were they invented?. Teaching Key Points1. Key Vocabulary: invent2. Target Language: Talk about the history of inventions. Teaching Difficult Points1. Train the students to talk about the history of inventions.2. Train the students to understand the target language in spoken conversation. Teaching Methods1. Listening.2. Group work.3. Pair work. Teaching Aids1. A tape recorder.2. Some pictures or real objects of the inventions. Teaching ProceduresTeaching ProceduresStep 1 Greeting and warm up.1. Lets chant!2. watch a video.Step 2 Presentation1、 Play a game. Guessing game.2、 Let the students guess what it is or what they are. Suggest the students by using “It is/ They are used for.”3、Show a picture of a camera and present the sentence structures.A: What is the camera used for?B: Its used for taking photos.4、Show the pictures of a telephone, some watches, and some keys, present the structures in the same way. A: What is/are the . used for?B: Its/Theyre used for .Step3 PairworkPractice this sentence structure.A: What is/are the . used for?B: Its/Theyre used for .Step 4 Presentation1、Show some pictures and guess who invented it. T: There are also many other inventions in the history museum. Lets go to visit them.a) T : What is it ? It is papermaking. b) T : What is it ? It is a light bulb.c) T : What is it ? It is a plane.d) T : What is it ? It is a calculator.2、Guess who invented them.T: Who invented the papermaking/ the light bulb.?Then match the answers.3、Present the sentence structure. T: Who invented it? (Another way , we can also say)= Who was it invented by? T: Cai Lun invented it. (Another way , we can also say)= It was invented by Cai Lun.4、Present other pictures and practice the sentence structures.Step 5 Activities1、T: Do you know when it was invented? At first , let us review the years.Let the students read the years one by one.2、Listen and match the inventions with the dates. When was it invented? Do 1b.Then check the answers.3、Work in pairs. Practice the sentences “when was it invented? and who was it invented by?”A : When was the calculator/. invented?B : It was invented in 1971/.A : Who was it invented by?B : It was invented by Cray/.Step 6 Sublimation1、T: It is a candle. When we light it, what will happen? Now , it can sing songs . It is a music candle. It is very interesting . Do you like it? lets go to the Museum of Science and Technology and visit some interesting inventions.2、Show some pictures and learn some new words.a) shoes with adjustable heelsb) battery-operated slippersc) heated ice cream scoop3、Listen and number the inventions in the order that you hear.Finish the tasking of 2a.4、Listen again. Match the inventions with their inventors and uses. Do 2b and then check the answers.Step 7 Sum up1、New words and new phrases.2、Learn the passive voice and practice.Step 8 HomeworkThink of something