九年级英语上册 Unit 5 Look into Science Lesson 30 Science Affects Us教案 （新版）冀教版.doc

Unit 5 Look into ScienceLesson 30 Science Affects Us 教材分析1. Analysis of the Students The students of Grade 9 have mastered certain vocabularies，expressions and structures. They also have the abilities of self-teaching and working in groups. Most of them are willing to express their opinions in English.2. Analysis of Teaching ContentLesson 30 is the sixth lesson in Unit 5, Book 5.This unit focus on the subject Look into science, also teach the students something about science. Students cares about the subject because it is close to everyone. Lesson 30 mainly talks about the experiments of Wang Mei and Jenny, this lesson also talks about the science affects to us. It asks the students can describe the experiments. 教学目标【知识目标】1. To master the word : mobile phone, suggest, affect, discovery.2. To master the phrases: turn over, push up, push down, in place.【能力目标】Improve the students ability of speaking, listening, reading and writing.【情感目标】Know more about the nature, and establish a scientific outlook on life.【教学重点】To master the words and phrases.【教学难点】To master the meaning of the passage, conclusion the knowledge of this unit. 课前准备 Tape recorder, Multimedia 教学过程Step 1. Warm-up1. Enjoy a video about the experiment.2. Free talk: What would life be like without puters or mobile phones?Step 2. Presentation1. Explain the new words.2. Show the pictures of Jenny and Wang Mei to elicit the lesson.3. Read the lesson and fill in the blanks:Science affects peoples_ lives. Without the scientific developments of recent years, our lives would be very different. Can you imagine life without puters or_ _? Scientific_ are making our lives better and better. DNA is really one of the most amazing things on the earth. Many people think it will_ the world. 4. Check the answers.5. Explain the language points:suggest v. 建议，提议1) suggest sth. to sb. 向某人建议某事2) suggest doing sth. 建议做某事3) suggest that 建议4) suggestion n. 建议better and better比较级+and+比较级: “越来越”。My sister is getting more and more beautiful.我姐姐变得越来越美丽了。lie, lay, lain与 lying的区别lie vi. 躺，平放过去式lay，过去分词lain，现在分词 lyingDavid was lying in the shade of the tree. 大卫正躺在树荫下。Jerry lay down on his bed. 杰瑞躺在床上。lay vt. / vi. 放，置过去式laid，过去分词laid，现在分词layingLay them on the floor. 把它们放在地板上。lie vi. 说谎过去式lied过去分词lied，现在分词lyingIm sorry I lied to her. 我很抱歉向她撒了谎。She is always telling a lie. 她总是说谎。Step 3. Practice1. Listen and follow to the tape.Fill in the blanks with the correct forms of the words in the box. discover, affect, suggest, place, develop(1) Jenny_ they use a stronger piece of cardboard for the experiment. (2) The air pressure_ the result of the experiment. (3) The experiment led to a wonderful_. (4) What are your plans for the_ of your pany? (5) They used a rock to hold the map in_. 3. Check the answers.4. Group work: (1) Have you ever done any interesting experiments?Can you describe one of them?(2) Report.Step 4. Consolidation1. Group work:Here are some inventions. How do they affect our everyday lives? Talk about them with your partner.TV, camera, radio, puter, telephone, light bulb, clock, washing machine, pass, telescope, X-ray, eyeglasses2. Writing:Write a letter about your experiments you have did to your pen pal.Step5 Homework1. Listen and read.2. Finish exercises of this lesson.略。