初中英语九年级Unit-9-When-was-it-invented-Period-1教案附教学反思

Unit 9 When was it invented? Period 1 Section A 1a1c教学设计与反思Language goals 1. Words & expressionsinvent, inventor, invention, calculator, be used for, be invented by2. Key sentencesWho were they invented by?They were invented by-When was it invented?It was invented in 1863.What is it used for?It is used for communicating with others.Ability goals Enable the students to talk about inventions.Enable the students to do some listening exercise about inventions. Emotion & attitude goals Get the students to be proud of our mother land.Encourage the students to work harder, so that they can do something useful for our country in the future.Teaching important points Use the new words and phrases to talk about the inventions.Teaching procedures and ways Step I Review and Lead-inT: Good morning / afternoon, boys and girls. Do you remember what the title is in Unit 8? Then what did you learn to talk about in that unit? Volunteering? What do you think of it? Do you want to be a volunteer? Why? You are great! If everyone try his best to help others, people will live happier live and the world will become much more beautiful. Besides doing this, what else do you think can help us live a better life? (Show some pictures of inventions to them) Yeah, TVs, computers, washing machines, cars. Things like these are called inventions. And this week we will begin a new unit about inventions. You can see inventions all around us, from TV to car, from food to clothing. We should say nobody can live without them. Dont you think so? Can you imagine one day without inventions?Ss: Thats impossible.T: Yes, we live in a world of inventions. These inventions make our life easier and more comfortable. In this unit, we will learn some inventions and their history. First, lets get to know some new words.Step II Presentation1. Present the four great inventions in ancient China by showing them pictures of them.( gun power, paper, moveable type print and compass )- When was moveable type print invented?- It was invented in the Song dynasty.- Who was it invented by?- It was invented by Bishen - What was it used for?- It was used for printing. 2. Students talk about other inventions using the similar sentencesStep III Practice Ask the students to explain the words in Section A of Unit 9 in their own words Ask the students to talk about when the things in picture of 1a on P68 were invented. And then number the in the order that they were invented.They could talk like this:A: I think the calculator was invented before the computerB: Well, I think the calculator was invented after the computerStep IV listening ( Page 68 1b.)1. Play the tape for the first time and ask the students to close their eye and listen to the recording, and ask them to get the main idea of the conversation while listening. They should answer: “what are they talk about?” “Who are talking?” 2. Play the tape again for the students to match the inventions with the date.3. Check the answers.4. Play the tape again and students read after it, and then, ask them to find out the new sentences in the conversation. Step V Consolidation.Pair work: Ask the students to talk about the inventions like this:A: Hi, Jane! When was the telephone invented?B: I think it was invented in 1876.Step VI Summary 1. Words & expressions invent, inventor, invention, calculator, be used for, be invented by 2. Key sentences - When was moveable type print invented? - It was invented in the Song dynasty.- Who was it invented by? - It was invented by Bishen - What was it used for? - It was used for printing. Homework1. Talk about inventions with your classmates after class in English.2. Write something about the inventions you know by using the sentences you learned in this class