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1、Unit7 Protect the Earth教案精品文档Unit7 Protect the Earth ( period 1 )教学内容：Story time教学目标：1. 学生能初步理解并且会听、会说、会读和会拼写单词及词组：use，much，oil，glass等，和会运用句型：we use. to.2. 学生能初步听懂并且会说、会读单词protect the Earth，coal，save energy, come from， cut down，waste water，reuse，plastic, wood, too much, useful 等。3. 学生能初步感知情态动词should
2、及shouldnt的用法4. 学生能初步感知保护环境的重要性。教学重难点：教学重点：学生能初步能理解并且会听、会说、会读和会拼写单词及词组：use，much，oil，glass等，和会运用句型：we use. To.教学难点：学生能初步感知情态动词should及shouldnt的用法教学准备：图片教学过程：Step1. Greeting and lead-in1. Greeting 2. Sing a songQuestion: why do the little blackbirds fly away?引导学生用Unit6 所学知识回答：Because the air is dirty.Be
3、cause there arent any trees on the hill. They have no home.T: Now our living environment is polluted, so we should protect the Earth.出示课题并教读。We should make the Earth a better place for you and me, and the entire human race.Step 2. Pre-reading1. 出示无污染的地球图片。T：Look, the Earth is a beautiful place. Ther
4、e are many kinds of sources in it. Do you know some of them? ( water, trees, air etc.) 2. Guessing gameT: Here are another sources. Lets guess what they are. Its black and hard. We can find it under the ground. It can make us warm. Theres a lot of it in Shanxi. ( coal ) Its a black liquid. We can fi
5、nd it under the ground too. Cars need it. ( oil ) Its usually white and thin. We can write and draw on it. ( paper ) It comes from trees. We use it to make tables, desks, chairs, beds and many other things. ( wood ) Its light and soft, but its strong. Its widespread in our life. ( plastic )3. T: The
6、y are useful things for us, how do we use them? For example: We use coal and oil to make energy. 板书： use. to. 引导学生说出 water，wood，paper，plastic等资源的用法。 E.g. We use water to clean things, wash clothes, cook food. We use paper to make books. We use wood to make tables, chairs, beds and other things. We u
7、se plastics to make bags and bottles.Step 3. While- reading呈现一幅被污染的地球图片。T：Look at this picture. Is it still beautiful? Today, there is a lot of pollution. We should protect the Earth at once.(点题) What can we do?1. Watch the cartoon and find the four key points of the text. ( save water, save energy,
8、 save trees and dont use too much plastic) 并板书。2. Listen to the tape and answer the questions. What do you think of water? (useful) What do we use water to do? (drink, clean things) Is there a lot of water everywhere?（no） What shouldnt we do?(waste) What should we do? (reuse,save)教师根据学生回答进行板书。3. Rea
9、d the second part and judge. Most of our energy comes from coal and oil. (T) There is a lot of coal and oil on Earth. (F) We should drive cars every day. (F) Cars use lots of energy. (T)4. 呈现光头强砍树的画面。T: What is he doing?S1: He is cutting down trees. 教学 cut downT: Is he right? We should stop him righ
10、t now. Why?引导学生说出 Trees help keep the air clean.5. 塑料瓶、塑料袋实物展示。 T: we use plastic to make bags and bottles. We often use them in our daily life. Do you often use them? 呈现课文图片。 T: Look at this picture. What do you think of it? 引出句子：Too much plastics is bad for the Earth. T: What should we do? 学生自读课文，
11、并在文中划出关键词句。 板书：We should . We shouldnt .Step 4. Post-reading1. Read the whole passage loudly and finish the exercise ” think and write” on page70, and then check the answers.2. Retell the text according to the blackboard design.3. Brain-storm. T: The Earth is so important for us. We should protect i
12、t. Now Ill give you some suggestion. Can you tell me what we can do.E.g. T: To protect the Earth, we should save water.S1: Water is important.S2: Water is useful.S3: We drink water every day.S4: Trees and flowers need water.S5: We should reuse water.S6: We shouldnt waste water.4. Introduce the sloga
13、n “ Save the world, save our lives.” to the students.Step 5. Homework1. Read and retell the passage.2. Finish the exercise “True or False” on page70.3. Collect and make good use of waste materials.Blackboard design:教学内容Unit 7 Protect the earth (Grammar time & Fun time)教材版本译林版教学课时共 4 课时 第 2 课时课 型新授教学
14、目标1、学习并理解Grammar time的内容，会正确并熟练地运用句型useto,We should We shouldnt2、让学生紧密联系生活实际,变废为宝，并利用reuseto make来介绍自己的作品3、引导学生热爱地球、保护地球。教学重点句型useto的用法和情态动词should的肯定句、否定句。教学难点句型useto的用法和情态动词should的肯定句、否定句。教学准备PPT、学生准备的废品教 学 过 程修注栏Step1、RevisionT: Good morning, class. In the last class, we have learned the text. Let
15、s describe the Status of the Earth. And what should we do in group.(小组成员合作用英语描述上节课内容) 【设计意图】利用小组描述演讲的方式，复习上节课所学过的Story time。Step2、Grammar time1. T: lets read some sentences about the resources.（教师出示第一张表格）use wateruse plasticuse wood We to clean things. make bags and bottles. make tables,chairs and other things.2. Sentence gameT give some words: water、wood、plastic、cloth
