英语初二下冀教版unit4全单元教案.doc

英语初二下冀教版unit4全单元教案
英语初二下冀教版unit4全单元教案
Lesson 25: Let’s Do an Experiment
Teaching 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 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. Teacher 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, the 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.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’ listening good enough to hear clearly?
Step6. Come to “Let’s Do It.”
Divide the class into two groups. One group thinks the floor will get wet. The others think it won’t. Let them discuss in class. Pay attention to telling the reasons.

Step7. Homework
1.Review the next lesson.
2.Finish off the activity 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 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, turn…over
Teaching Aims:
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 Points:
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 idea 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 students 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 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.”
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 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 27: Danny the “Dry-o-saur”!
Teaching Content:
Mastery words and expressions: surprised, examine, discover, explain, enough, liquid, solid, spoon, add, mix, pour
Oral words and expressions: weird, mud, cornstarch, spoonful, dissolve, press
Teaching Aims:
1.Ask the students to observe and report it to the class.
2.Increase students’ interest in English.
Teaching Important Points:
1.Describe an experiment in English.
2.Improve the students’ spoken English.
Teaching Difficult Points:
Some words and expressions that used in the experiment.
Teaching Preparation: a bowl, a spoon, cornstarch, water
Teaching Aids: audiotape, flashcards, a bowl, a spoon, cornstarch, water
Type of lesson: new lesson
Teaching Procedure:
Step1. Ask the students what we can do with the things that we brought to the class. If they can do something interesting, let them demonstrate them in class. Then ask them to explain the reasons.
Step2. Listen to the tape and answer the following questions:
1.Why is Danny wearing his swimsuit?
2.Is Danny wet when Brain takes his hand off?
3.Why is Danny still dry after the experiment?
Step3. Now read the text silently and check the answers. Then read it loudly in class.
Step4. Read the text loudly in roles in class. Let some students act it out in front of the class.
Step5. Ask the students to describe the dialogue in English. Encourage them to use English as much as possible.
Step6. Have the class rewrite the text in the past tense. Divide the class into twelve groups. Assign one paragraph to each group. Each group should discuss and representative from each group read aloud what has been praise rewritten. Comment on their work and remember to give praise for good efforts!
Step7. Homework
1.Finish off the activity book.
2.Go on the next reading in the student book.
Summary:
The experiment is interesting, but how to describe it in English is difficult. Remember to cultivate the students’ spoken English in class. Give them more chance to practice. when the students are doing experiments, they must explain clearly step by step.

Lesson 28: Fill My Plate
Teaching Content:
Mastery words and expressions: plate, taste, empty, full
Oral words and expressions: taste good
Teaching Aims:
1.Know about the foreign culture.
2.Learn to sing foreign songs.
Teaching Important Points:
1.Learn to sing the song.
2.According to the pictures, make up dialogues.
Teaching Difficult Points:
Make up a dialogue about having a meal in your home or in a restaurant.
Teaching Preparation: a plate, pictures
Teaching Aids: audiotape, flashcards, a plate, pictures
Type of lesson: new lesson
Teaching Procedure:
Step1. Listen to the tape and grasp the rhythm. Listen to the tape and sing with it.
Step2. Let the students read the text line by line. Have the class read the lyrics as a poem. You may divide 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. Listen to the tape. Let the students sing after it.
Step4. Play the tape for several times until the students can sing well.
Step5. Let some volunteers come to the front and sing individually.
Sep6. Homework
1.Finish off the activity book.
2.Review the next lesson.
Summary:
Introduce more knowledge about the foreign countries to the students, which will stimulate the students’ interest of learning English. Learning to sing English songs is another way of increasing students’ learning interests. So give them chance to sing in front of the class.
Lesson 29: An Eastern Egg Hunt
Teaching Content:
Mastery words and expressions: basket, hide, everywhere
Oral words and expressions: hunt, be gone, Easter
Teaching Aims:
1.Learn more about the foreign festivals in western countries.
2.Find the differences between the Chinese festivals and the western festivals.
Teaching Important Points:
1.Introduce more knowledge about Easter.
2.The Simple Present Tense.
The Difficult Points:
1.Know about the activities that we do during Easter.
2.How do people in western countries celebrate it?
Teaching Preparation: pictures, baskets, eggs
Teaching Aids: audiotape, flashcards, pictures, basketballs, eggs
Type of lesson: new lesson
Teaching Procedure:
Step1. Listen to the song “Fill My Plate” again. Let several volunteers to sing in front of the class.
Step2. A Guessing Game
Work with a partner. One student hides something of the other’s, the other looks for it. If they can’t find the thing, they can ask questions:
Is it on the desk?
Is it on the floor?
Where can I find it?
Step3. Listen to the tape. Can they find the answers to the following questions?
1.What is Danny doing in the park?
2.Who brought a lot of chocolate eggs?
3.Where do they hide the eggs?
4.Can Debbie make eggs? Why?
Step4. Read the text silently and check the answers. Ask them to find more questions. Now report their questions to the class. Let’ s discuss the questions and find the answers together.
Step5. Play the tape again. Let the students read after it until they can read it correctly and fluently.
Step6. Ask some students come to the front and act the dialogue out.
Step7. Come to “LET’S DO IT!”
Let’s play the game together. Remember to speak English. The teacher walks around the classroom and reminds them.
Step8. Homework
1.Finish off the activity book.
2.Go on the next reading in the student book.
Summary:
Activities are important parts in English classes. Put the main ideas of today’s knowledge in the activities. So how to arrange the activities is of great use. When we are playing the games, we must speak English as much as possible
Lesson 30: Keep the Candle Burning!
Teaching Content:
Mastery words and expressions: match, light, burn, use up
Oral words and expressions: shallow, candleholder, oxygen
Teaching Aims:
1.Cultivate the spirit of loving science.
2.How do you express the sequence?
Teaching Important Points:
1.Write an experiment report.
2.Describe and explain the experiment in English.
Teaching Preparation: a candle, a candleholder, a big glass jar, a shallow dish with water matches
Teaching Aids: audiotape, flashcards, a candle, a candleholder, a big glass jar, a shallow dish with water matches
Type of lesson: new lesson
Teaching Procedure:
Step1. Bring the teaching aids to the class. The teacher asks the students: What experiments can they do with the aids?
Let them do in front of the class. When they do it, describe it in English.
Do the others agree with their views? Why?
Step2. Read the text and let the students know about the experiment.
Step3. Close the books and write what the text is about. Write the main process and they can have a change if they think it is necessary. Then after they finish it, open their books and compare what they write with the text. Let’s see whose is the best.
Step4. Listen to the tape for several times until they can read it correctly and fluently.
Step5. Ask the students to find questions. Let’s have a discussion in class. Such as:
1.What is the match used for?
2.How much water do we fill in the jar?
3.How long does the candle burn?
4.What does the candle use to burn?
5.Can you explain the experiment in English? What’s your reason?
Step6. Come to “PROJECT”
Divide the class into groups of four or five. Let one group chooses an experiment to practice. Explain it in English as they are doing the experiment. Encourage them to use English as much as possible. The teacher helps them if they are in trouble.
If we can’ t finish the experiment in this lesson, we can continue in next lesson. Remind the students to bring the things that they need. If they want to do more experiments that we learned or we don’t learn, they can bring everything they need to the class. The teacher should praise the group that does more experiments.
Step7. Homework
1.Finish off the activity book.
2.Review the next lesson.
Summary:
Do the experiment and let the students report to the class. This can increase the students learning interests. As the students doing the experiments, let them explain them in English as much as possible. The teacher can help them if it necessary
Lesson 31: Surprise Your Friends!
Teaching Content:
Oral words and expressions: take off
Teaching Aims:
1.Learn to express sequence.
2.Teach the students’ science spirits.
Teaching Important Points:
1.Describe the experiments in English.
2.Express the experiment phenomenon in English.
Teaching Difficult Points:
Describe the experiments in English and explain the reason.
Teaching Preparation: pictures
Teaching Aids: audiotape, flashcards, pictures
Type of lesson: new lesson
Teaching Procedure:
Step1. Check the homework of Lesson 30.
1.Read the words and expressions in Lesson 30.
2.Make sentences with the words and expressions in Lesson 30.
Step2. Read the text and discuss the main idea about the text.
1.What’s the main idea of the text?
2.What’s the experiment about?
3.Did you do the experiment at home? What did you do? Is it the same as the experiment that we learn in the text?
4.How do you explain the experiment to the class?
Step3. Listen to the tape and read after it until they can read it fluently.
Step4. Let the students work in groups. Describe the experiment in Lesson 30. Then report it to the class. Choose whose report is the best. Why is it good?
Step5. Describe the same experiment that is explained in Lesson 30 in English. Work in groups. When they can’t go on their description, they can look at the book.
Let the students report to the class about their description.
Step6. Come to “LET’S DO IT”.
Step7. Homework
1.Finish off the activity book.
2.Do the exercises in Lesson 32.
Summary:
Experiments are the main parts of the unit. How do students grasp this part well? I think doing the experiments really is very important. Ask the students to choose the one that they think interesting to do in front of the class. Explain it in English as they are doing the experiments
Lesson 32: Unit Review
Teaching Content:
Review the mastery words and expressions from Lesson 25 to Lesson 31.
Review the oral words and expressions from Lesson 25 to Lesson 31.
Teaching Aims:
1.Learn to love science and cultivate the spirit of discovering things.
2.Know more about the foreign festivals.
Teaching Important Points:
1.Teach the students to take care of science and to do experiments by themselves.
2.Easter is an important festival in foreign countries, so we must know about it.
Teaching Difficult Points:
Express the sequence, uncertainty and un