Unit 6 When was it invented？Section A 1a-2b教案- 人教版九年级英语全一册.docx

Unit6 When was it invented? Section1a-2bTopicWhen was it invented?Analysis of teaching contentThis section teaching content is English version of the Book 9 Unit 6, topic for discussion introduced the invention of the history and purpose, main is to enable students to correctly understand and use the passive voice to skillfully introduce items invention process and history, through the study of the lesson, students need to master the general passive voice, past tense in the study, understand the human scientific invention created a rich material civilization, stimulate innovation ability and desire. The passive voice in this class content, is an examination of a key, is also the difficulty, according to the English curriculum standards "ability of using English to do things" flexible, students must learn to correctly use the passive voice, they learned in this unit to describe objects are created, by the historical process of invention, so as to achieve the purpose of their major.Teaching aims and demandsKnowledge objects1. Master the key words and sentences.2. To talk about the history of inventions.Ability objects1. Train students listening and communicative competence.2. To train the students cooperation with their partners.Moral objectsMany important inventions have changed the world a lot. So, we must know about them better.Teaching key points1. To learn Passive Voice of the past tense.2. To talk about the history of inventions.Teaching difficult points1. How to turn the active voice of the past tense into a passive voice.2. Use the passive voice of the past tense to discuss the inventions time.Teaching methodSituation teaching method, Group discussion method, Cooperation method.Teaching aidsMulti-Media, Cards.TeachingprocessTeachers activitiesStudents activitiesWhysStep 1. Warm up.Let students listen and sing t he song Do Re MiSs enjoy the beautiful song a nd learn to sing together.It can attract the students attention.Step 2. Lead-in1. PK Game: Spell The past and past participle of irregular verbs.2. Show the video about the four Great Inventions to the students. And ask students to talk about the modern inventions. Lead in the new lesson and show the learning goals to the students.1. To encourage the students to recite the past and past participle of irregular verbs, to lay the foundation for the study of passive voice.2. Watch a video. Know about the learning goals.Let students revise the different tenses of verbs.Step 3.Presentation.1. Look at the pictures and guess what invention it is.2. Rush to answer.3. Look at the pictures in 1a. Discuss in your group, in what order do you think they were invented? Try to number them 1-4.4. Talking about the inventions.5. Ask Ss to look at the pictures and the dates.Play the recording of 1b for Ss to finish the task.Then check the answers.1. Guess the inventions and inventors.2. Answer the question.3. Finish 1a: Ss discuss with their partners and number the pictures.4. Make a dialog like this: A: I think the TV was invented before the car.B: Well, I think the TV was invented after the TV.5. Listen to a conversation between a girl and a woman, and then match the inventions with the dates.Through this activity, students can not only know something about great inventions ,but have a general understanding of the patterns of passive voice.5Step 4. Pair work.1. Have Ss look at 1b and make conversations in pairs.2. Ask students to make similar dialogues using the things around them.1. Look at 1b. Student A covers the dates. Student B, ask student A when the things in the picture were invented. Then change roles and practice again.2. Make similar dialogues using the things around them.Students can make their own conversations using passive voice.Teaching processTeachers activitiesStudents activitiesWhysStep 5 Listening.1. Show the inventions on it. Teach the vocabulary words.2. Show another slide. Look at the picture. Here are the th ree inventions. Play the recording of 2a and ask them to listen and number the inventions in the order that they hear them.3. Play the recording again And check up their answers.4. Show another slide. Play the recording again and ask Ss to complete the chart.5. Then check the answers.1. Look at the inventions. Read them again and again and try to grasp them.2. They hear a conversation between a girl and a boy. Listen and number the inventions in the order that they hear them.3. A student to say out his / her answer.4. Look at the chart to find what it shows.Listen to the recording again and match the items in colu mn A, B and C.5. Check the answers.It drills students listening ability.Step 6. DrillAsk Ss to make their own conversations.Role play the conversations using the information in the chart in 2b.Students can use passive voice betterafter training.Step 7.Consolidation1. Read the conversations in 2d.2. Explain some new words and main points in the conversation.3. Ask Ss to role-play theconversation in groups.1. Listen to the conversations2. Learn main points in the conversation.3. Role-play the conversation in groups.Let students know some key grammar points in the context.Step 8. Summary1. Show a mind map to help Ss2. Summarize the key points. Let students discuss thestructure passive voice of1. Sum up the lesson.2. Discuss the structure passive voice of the past tenseIt can make students know the contents clearly.the past tense.HomeworkWrite a passage about a new invention and introduce it to your partner.Blackboard DesignUnit 6. When was it invented?inventor (n)in + time/space was/were inventedinvent (v)by sb.invention (n)be used for doing sth.