英語北師大版選修7 Unit20 lesson 3 《Scientific Breakthroughs》教案

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111 lesson 3 Scientific Breakthroughs Teaching Aims: 　　1.To use proper reading strategies for different tasks. 　　2.To improve practical reading skills and ability 　　3.To get familiar with scientific breakthroughs in the last century Teaching difficulties: learn to use reading strategies Teaching Aids: computer Teaching procedures: Ⅰ. Warming up: quiz 　　Use some descriptions and pictures , ask students to guess who the great scientist is. (由此引入本課話題：scientists, and scientific breakthroughs) Ⅱ. Reading Practice 　1.　reading for general idea (1.) Show students the reading strategy for general idea. Then students read the text and do some exercises. (2) Ex2.Try to match the discoveries with how they were discovered? (3) multiple choice: The purpose of this article is ____. A. the introduction of the Wright Brothers B. the introduction of the process of scientific breakthrough C. introduction of the major scientific discoveries in the 20th century D. the contributions scientists made to the world （4） books closed. Match the pioneers with the deeds 2. reading for specific information (1) show the reading strategies and let students work in groups to do some T or F exercise. (2) While Albert Einstein was rocking his one-year-old baby, he _______. A. was aware of recent scientific developments. B. thought over Marie Curie’s research. C. he showed that not even time, mass or length are constant. D. came up with the famous “ theory of relativity” (讓學(xué)生思考：各個(gè)選項(xiàng)是否來自課本，干擾項(xiàng)是如何設(shè)置來迷惑人的，are the reading strategies useful and effective?) (讓學(xué)生在探索中學(xué)會(huì)運(yùn)用閱讀技巧獲取和處理信息，學(xué)會(huì)合作學(xué)習(xí)) Ⅳ. after reading 　Task 1. Vocabulary: Exs 5 in the text book and ask students to find some useful expression in the text. 　Task 2. Discussion: talk about scientific breakthroughs and their influence on our life 111