新疆精河县九年级英语全册 Unit 6 When was it invented教案6 （新版）人教新目标版-（新版）人教新目标版初中九年级全册英语教案.doc

Unit 6 When was it inventedSection B 2 (3a-Self Check)一、Teaching aims：1. Knowledge Objects： 1) Review the grammar: Passive Voice 2) Try to tell one of the inventions.2. Moral Objects： Know about some information about the inventions that have the most meaningful to humans.二、Teaching Key Points and Difficulties1. Key Points：1）Reading practice and the vocabulary,2. Difficulties：A brief introduction of a certain invention in English . 三、Teaching Procedures:. Revision1. Review the expressions and sentences in Section B 1. 2. Let Ss introduce the history of basketball. . Lead in 1. Let some Ss talk about their favorite inventions. . Thinking 1. Ask Ss what things they dont like to do. e.g. Problem: quickly taking notes in class. 2. Discuss in group and think of an invention that could help you. e.g. New invention: a special pen What it is used for： taking notes quickly in class 3. Ss discussing the problems and try to make their own notes. . Writing Work on 3b: 1. Tell Ss to write a description of your new invention. 2. Sentences that are often used in the composition ： I think is a very useful invention. was invented by was invented in It was used for 它被用来 is made of是由(材料)制成的 . Self Check Work on Self Check 1: 1. Read the words in the box and make sure they know the meaning of each word. 2. Read the passage and try to fill in the blanks with the proper word. 3. Read the passage again. Check if the forms of the words are correct. Work on Self Check 2 1. Tell Ss to rewrite the sentences using the passive voice. 2. Give instructions：The passive voice of the past tense.3. Ss work by themselves and try to rewrite the sentences. Work on Self Check 3Find out information about an invention you would like to know more about and write sentences below. Invention: _When: _Who: _Purpose: _Exercise: If time is enough, do some more exercises on big screen. 一、Fill in the blanks with the correct forms of the words given. 1. During the afternoon, there was a _ (suddenly) heavy fall of snow. 2. I think the telephone _ (invent) before the car. 3. The _ (Canada) song Alouette(百灵鸟) is a fun song about a bird. 4. They _ (invite) to take part in the May Day celebrations in Beijing. 5. The _ (popular) of private cars is changing the peoples life style. Homework 1. Composition: Write the development of a zipper or computer in English.Teaching notes: