2022年初二下册英语冀教版教案第四单元.pdf

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1、学习必备欢迎下载Lesson 25: Lets Do an ExperimentTeaching Content: Mastery words and expressions: science, experiment, fill, prove Oral words and expressions: theory, jar, upside, observe, right, side up, upside down Teaching Aims: 1.Use the Simple Present Tense. 2.Express certainty and uncertainty Teaching

2、Important Points: 1.Learn to express sequence; 2.How to express an experiment. Teaching Difficult Points: Express certainty and uncertainty Teaching Preparation: jar, cardboard, water Teaching Aids: audiotape, flashcards, jar, cardboard, water Type of lesson: new lesson Teaching Procedure: Step1. Te

3、acher brings the jar, cardboard and water to the class. Show them to the students and ask what experiments we can do with them. Let the students show them and explain the reasons to the students. Let the students work in groups and discuss the experiments. When one group is doing the experiments, th

4、e others can ask the questions. The teacher can ask questions, too. Step2. Now let the students open their books and guess what the experiment is. Ask the students to say it in English. Step3. Read the text silently and answers the following questions. 1.What s a theory?2.What s an experiment for?3.

5、Did Danny read about the experiment? What is it about? 4.Do you think the cardboard can hold the water in the jar? Why? Step4. Read the text carefully and check the answers. Explain some words and expressions to the class. Step5. Listen to the tape and repeat after it line by line. Can the students

6、listening good enough to hear clearly?Step6. Come to “Lets Do It.”Divide the class into two groups. One group thinks the floor will get wet. The others think it wont. Let them discuss in class. Pay attention to telling the reasons. Step7. Homework 1.Review the next lesson. 2.Finish off the activity

7、book. Summary: The experiment is the main part of the text. If we have time, do it in the class. Then ask them to describe what they see. Give a report to the class. If the time in class isn t enough, let the students do the 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 1 页,共

8、8 页 - - - - - - - - - - 学习必备欢迎下载experiment after class. Then report the result to the class. The teacher can do the experiment for the students, too. Lesson 26: One Wet Danny?Teaching Content: Mastery words and expressions: force Oral words and expressions: swimsuit, observation, turnoverTeaching Ai

9、ms: 1.Use the Simple Future Tense to describe the thing that will happen. 2.Grasp the knowledge by doing the experiment. Enjoy the experiment and finish it by students themselves. Teaching Important Points: 1.Grasp the Simple Future Tense. 2.Talk about the experiment process. Teaching Difficult Poin

10、ts: Some words and expressions, such as: talk about, talk to, tell sb., ask sb. to do sth. Teaching Preparation: jar, cardboard, water, pictures Teaching Aids: audiotape, flashcards, pictures, jar, cardboard, water Teaching Procedure: Step1. Review Lesson 25. Let some students talk about the main id

11、ea of Lesson 25. The teacher and the students can ask: 1.What do we use in the experiment? 2.How do you turn the jar full of water upside down? 3.What do you cover on the jar? 4.What s your theory?Step2. Do a survey: 1.How many students have done the experiment? 2.What s the result?3.How many studen

12、ts think Danny is going to get wet? Report it to the class. Step3. Listen to the tape and let some students ask the following questions: 1.What are they talking about? 2.Who will do the experiment? 3.What will happen to the water in the experiment? 4.What will keep the water in the jar? 5.What will

13、they do after the experiment? Step4. Read the text silently and check the answers. Read it in roles in class in individuals or in groups. Step5. Let some students act the dialogue out in front of the class. Step6. Come to “LET S DO IT. ”精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - -

14、 - -第 2 页,共 8 页 - - - - - - - - - - 学习必备欢迎下载Do the experiment in groups. Let the students observe the experiment carefully. Then give a report to the class about what it is like. Do anyone get wet in the experiment? Why? Step7. Homework 1.Finish off the activity book. 2.Go on the next reading in the

15、 student book. Summary:This passage is about the two opinions to the experiment. Why do you think so is the main explanations. Let the students have a brainstorm. The teacher walks around and helps them if it necessary Lesson 26 教案Class opening For ideas and tips on beginning a class , see “teaching

16、 techniques ” at the back of this teachers guide.Step 1: Break the class into groups of four to discuss “Think about it ”.Step 2: Have the students listen to the reading and see if they can answer this question: Why will Danny dry himself?(He thinks he will get wet in the experiment.) Step3: Play th

17、e tape or read the readings, pause after every line, and ask the students to repeat (a) in chorus, (b) in small groups , (c) individually. Step4: Ask individual students questions. The students give natural answers. What are they talking about? Who will do the experiment? What will happen to the wat

18、er in the experiment? What will keep the water in the jar? What will they do after the experiment? Step5: Divide the class into small groups. Ask each group so act out the reading in any way they choose. They can read aloud what the characters have actually said. They can also talk to one another in

19、 their own ways, based upon the text. Step6: Ask one or two groups to perform their drama for the class. Step 7: If you have time , discuss the reading with students. Use as much English as possible. Ask questions to make it easier for students to participate in the discussion. Here is an idea for y

20、our discussion: Imagine that you are presenting your presentation? Step8: Come to “let s do it.”Class closing The second reading in the reader The remaining activities in the activity book The next reading in the student book Lesson 27 教案Class opening 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳

21、- - - - - - - - - -第 3 页,共 8 页 - - - - - - - - - - 学习必备欢迎下载For ideas and tips on beginning a class , see “teaching techniques “ at the back of this teachers guide.Step1: Divide the class into two groups to get ready for the two experiments. In class , one group does the first experiment and he other

22、 group does the second one. Each group will do their experiment for the class. Step2:Let the students listen to the readings and see if they can answer these questions: For the first passage: What s happening to Danny?Is he getting wet or not? For the second passage: Does everything dissolve in wate

23、r? Step3: Have the students of Group One read the first reading and have the students of Group Two read the second reading. Step4: Play the tape or read the passage. And then ask the students to interpret the picture. Step5: Play the tape or read the readings again, pause after every line, and ask t

24、he students to repeat(a) in chorus, (b) in small groups, (c) individually. Step6: Break the students into groups to do the two experiments. As they do it, they should describe it in English . Encourage them to use as much English as possible. Step7: Let the students do some comprehension if time per

25、mits. Ask individual students questions. The students give natural answers. Step 8: Ask three volunteers to act out the reading. The rest fo the students should listen, watch and respond to Jennys questions.Step9: Have the class rewrite the text in the past tense. Divide the class into twelve groups

26、. Assign one paragraph to each group . Each group should discuss and rewrite one of the twelve paragraphs. Then have a representative from each group read aloud what has been rewritten. Comment on their work and remember to give praise for good efforts! Step10: Come to “Lets do it.”Class closing The

27、 third reading in the reader The remaining activities in the activity book The next reading in the student book Lesson 28 教案Class opening For ideas and tips on beginning a class ,see “teaching techniques” at the back of this teachers guide.Step1: Check to see if the students have previewed the text

28、as required. Ask two volunteers to perform the dialogue between Danny and Brian by looking at the pictures and speech bubbles. 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 4 页,共 8 页 - - - - - - - - - - 学习必备欢迎下载Step2: Have the class read the lyrics aloud as a poem. You may div

29、ide the class into two groups .Each group will read one line at a time. Make sure students can read rhythmically with a good sense of the rhymes! Step3: Play the audiotape. Have the class follow in their books. Step 4: Have the students practice singing the song repeatedly until they sing it well. S

30、tep5: Come to “Lets do It.”Class closing The remaining activities in the activity book The next reading in the student book Depending on how much time you have, you may wish to end the class by singing the song “Fill My Plate.”Lesson 29 An Easter Egg HuntLearning aims: 1. The new words: basket, hide

31、, hunt, everywhere, Easter, be gone 2. The important sentences: Debbie will have fun looking for them. I can t make eggs. Can you find them? Now my basket is full of eggs. Learning important and difficult points: 1. fun have fun doing sth. It s fun to do/doing sth.2. 辩析 find, look for, hunt Learning

32、 method: Listen, say, read and write. Learning steps:Step 1. The new words Learn the new words one by one. Step 2. Looking and learning Look at the pictures and learn. “How to celebrate Easter? ” Check to see if the students have previewed the text. To see if they understand the reading. Ask the cla

33、ss some questions like this: What is Easter Sunday? What is an Easter egg hunt? What is an Easter Basket? Step 3. Play the tape. Have the class follow the tape. Step 4. Explanation look for = hunt for have fun doing sth. make eggs = lay eggs Step 5. Sum up1. Master the useful expressions. 精品资料 - - -

34、 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 5 页,共 8 页 - - - - - - - - - - 学习必备欢迎下载2. Master Easter Day. Lesson 30 Keep the candle Burning!Learning aims: 1. Master the new words: match, light, burn, use up, shallow, candleholder, oxygen, one-fifth 2. The important sentences: Fill the d

35、ish half full of water. As the candle burns, it uses up oxygen in the air. There is about one-fifth oxygen in the air, so the water rises and fills about one-fifth of the jar. Learning important and difficult points: half 的用法1. adv. “部分地,一半地”,2. adj. “半个的,一半的” half a yearLearning method: Listen, say

36、, read and write. Learning steps:Step 1. Reading Read the new words and write. Step 2. Listening Listen to the tape and find out the useful expressions and the difficult points. Step 3. Explain and writing1.as 的用法(1) as as (2) 表方式“像,按照,如同” Run as I do.(3) 表时间,当时候,一边一边;She sang as she worked. (4) 表原因

37、,因为(5) 表让步,“虽然,尽管”2. 分数的表达法:口诀:分子基,分母序,分子1,分母加 s e.g. one-fifth; two-thirds Step 4. DoingMaster the steps of the experiment. Then ask the students to do it. Do it as describe. Step 5. Do exercisesStep 6. Sum up1. Master the words and expressions. 2. Master the experiment. Step 7. HomeworkAs you do i

38、t, describe it in English. Then do your experiment for the class. Lesson 31 Surprise your friends!Learning aims: 1. The important sentences: Do you want to surprise your friends? 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 6 页,共 8 页 - - - - - - - - - - 学习必备欢迎下载 The cardboard

39、 will hold the water up! Science is interesting! Learning important and difficult points: 1. Surprise sb. to do sth. be surprised at sth to one s surprisesurprised 与 surprising 区别2. 辩析: interested 与 interesting Learning method: Listen, say, read and write. Learning steps:Step 1. Let the students lis

40、ten to the tape carefully with the following questions. “What did Danny describe in his e-mail? ”Step 2. Ask the students to read the text fast and have a discussion about the e-mail in detail. Step 3. Divide the class into groups of four and ask each group to retell the passage with their own words

41、: want to do sth; do an experiment; get ready; full of; cover with; turn over; Lesson 32 Unit ReviewVocabulary:1. 掌握词汇:science, experiment, fill, prove, force, surprised, examine, discover, explain, enough, liquid, solid, spoon, add, mix, pour, plate, taste, empty, full, basket, hide, everywhere, ma

42、tch, light, burn, use up 2. 认知词汇: theory, jar, upside, observe, swimsuit, observation, conclusion, weird, mud, cornstarch, spoonful, dissolve, press, Easter, hunt, shallow, candleholder, oxygen, one-fifth Sentence pattern:look into, do an experiment, fill/cover with, upside down, right side up, the

43、force of the air, get wet, turn over, in front of, on top of, take off, be ready, take away, be surprised, strong enough, a spoonful of, dissolve in, keepdoing, halffull of, be gone, take offGrammar:The Simple Future Tense 一般将来时shallI shall wear shorts tomorrow. Shall we have any classes tomorrow? w

44、illThere will be some showers this afternoon. I ll tell them my theory.Will you be free next week? I m sure I won t lose my way.be going toIs Danny going to hide an egg in his mouth? We are going to do a science experiment in class tomorrow. 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 7 页,共 8 页 - - - - - - - - - - 学习必备欢迎下载I m not going to get wet.It s going to rain.精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 8 页,共 8 页 - - - - - - - - - -

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