初二下册英语冀教版教案第八单元 9页

Lesson 57: Let’s Clean Up!‎ Teaching Content: ‎ Mastery words and expressions: yard, rubbish, pick up, bit, a bit of, big Oral words and expressions: garbage, pollution, finish doing, get to work Teaching Aims:‎ ‎1. Let the students understand to protect our environment is our duty.‎ ‎2. We should keep our school yard clean.‎ Teaching Important Points:‎ ‎1.Know how many ways we can say “garbage”.‎ ‎2.Talk about the destroy of the rubbish.‎ Teaching Difficult Points:‎ Some words and expressions, such as: pick up, clean up Teaching Preparation: pictures Teaching Aids: audiotape, flashcards, pictures Type of lesson: new lesson Teaching Procedure:‎ Step1. Come to “TALK ABOUT IT.”‎ Step2. Show the new words to the students. Let the students read the words first. Then let them read after the tape.‎ Step3. Listen to the tape and do Exercise ‎3 in activity book.‎ Step4. Read the text and check the answers silently. At the same time, answer the following questions:‎ ‎1. Where are Jenny, Brian and Danny?‎ ‎2. How’s the weather?‎ ‎3.What do English people call “rubbish”?‎ ‎4.What is Jenny studying in class this week?‎ ‎5.What does the teacher think of Jenny’s idea? ‎ Step5. Read the text in roles loudly. Then let some students act it out in front of the class.‎ Step6. Practice Explain some language points to the class. Then ask the students to make up sentences with them.‎ ‎1.But look at all of the rubbish!‎ ‎2.Somebody should pick up that garbage! ‎ ‎3.It would take too long.‎ ‎4.Each student could clean up a bit of the school yard.‎ ‎5.We would finish cleaning in an hour.‎ Step7. Come to “LET’S DO IT.”‎ Work in teams with three or four people. Let some students act their dialogue out in front of the class.‎ Step 8. Homework ‎1.Finish off the exercises in activity book.‎ ‎2.Go on the next reading in the student book.‎ ‎ Summary:This lesson is close to our life. Try to take the students out of the classroom and show the garbage to them. Then let them say what they feel ‎ about the garbage. Ask them to act the dialogue out in the school yard. Advice the students to pick up the garbage and clean up the school yard.‎ Lesson 58: Stop Pollution Teaching Content:Mastery words and expressions: less, environment, throw away, least, take out, waste, fix, toilet Oral words and expressions: reusable, pollute, leak, litre, leaky, sink, tap, recycle, save, take out, turn off, leak out Teaching Aims:‎ ‎1.This lesson focuses on the environment issues.‎ ‎2.It presents some solutions to the problems that pollution poses.‎ Teaching Important Points:‎ ‎1.It presents thought-provoking facts and figures abut pollution in North America. ‎ ‎2.Call on the students to take personal action to reduce pollution.‎ Teaching Difficult Points:‎ Find more solutions to protect our environment.‎ Teaching Preparation: pictures Teaching Aids: audiotape, flashcards, pictures Type of lesson: new lesson Teaching Procedure:‎ Step1. Come to “THINK ABOUT IT.”‎ Step2. Show the new words to the class. First let them read them by themselves. Then read them after the teacher. Practice the words for a while.‎ Step3. Talk about the questions:‎ Show some pictures about our environment to the class. Let the students work in three or four to finish the task. ‎ ‎1.What do you think our environment?‎ ‎2.What can we do to reduce pollution?‎ ‎3.Do you know anything about the environment in foreign countries? Can you give an example?‎ Step4. Listen to the tape and finish Exercise ‎2 in activity book.‎ ‎1.In North America, many students help their school make more pollution.‎ ‎2.In an environment club, people work together to make the environment clean.‎ ‎3.Environment clubs encourage students to bring their lunches in plastic bags.‎ ‎4.They give prizes to the classes that make the least garbage. ‎ ‎5.On a no-car day, only teachers come to school by car. No students come to school by car.‎ ‎6.A leaking toilet can waster twenty to forty litres of water an hour.‎ ‎7.In environment clubs, students don’t fix leaky toilets and sinks.‎ ‎8.A hundred kilograms of recycled paper saves seventeen trees.‎ Step5. Read the text in silence. Check the answers. Then let the students read the text in class loudly. ‎ Step6. Analyze the text and make a further discussion about it. Let’ s discuss its details. ‎ ‎1.What do people in an environment club do?‎ ‎2.On no-car day, how do people come to work? How do students come to school?‎ ‎3.What do you know about a leaking toilet?‎ Step7. Come to “LET’S DO IT.”‎ Step8. Homework ‎1.Finish off the exercises in activity book.‎ ‎2.Go on the next reading in the student book.‎ ‎ Summary:It is a subject that is close to the student life about how to stop pollution. We must give examples in students’ daily life. Discuss with the students: how to reduce waste paper; how to save water; how to save money. ‎ Lesson 59: Let’s look at Garbage!‎ Teaching Content:‎ Mastery words and expressions: sort, metal, weight, percent Oral words and expressions: plastic, packaging Teaching Aims:‎ ‎1.Call on the students to take actions to protect our environment.‎ ‎2.Learn about the pollution problems in our life.‎ Teaching Important Points:‎ ‎1.Offering help.‎ ‎2.Learn new vocabulary for describing materials and for comparing qualities.‎ Teaching Difficult Points:‎ Describe materials and comparing qualities.‎ Teaching Preparation: pictures Teaching Aids: audiotape, flashcards, pictures Teaching Procedure:‎ Step1. Remind the students: ‎ ‎1. What kinds of rubbish do you throw every day? Can you name them? ‎ ‎2. What can be recycled? ‎ Step2. Work in groups. ‎ Let the students go to the dustbin to collect some garbage and take them to the classroom.‎ Ask the students name them and compare the qualities.‎ Let the students look up the books and the dictionaries when they are in trouble. Help them when they can’t express correctly.‎ Step 3. Listen to the tape finish Exercise ‎2 in the activity book.‎ ‎1.Every year, each person in North America makes about 1000 kilograms of garbage.‎ ‎2.Plastic makes the most garbage.‎ ‎3.In just one day, Americans throw out 136 million kilograms of packaging.‎ ‎4.Packaging makes the most garbage.‎ ‎5.People often use packaging, and they never throw it away.‎ ‎6.About the percent of packaging is plastic.‎ ‎7.Each day, Americans throw out ten thousand small cars.‎ Step4. Read the text and check the answers.‎ Let the students read the text in roles. Then ask several students to act out the dialogue.‎ Step5. Come to “PROJECT”.‎ Bring the students to pick up the garbage in the school yard. Put the garbage into bags and bring it to school for our project.‎ Take a walk around your neighbourhood, take a bag with you and pick up any garbage you see. Wear gloves, because garbage in dirty.‎ Now sort the garbage into paper, plastic, metal, glass and others.‎ Then compare the garbage in school yard with that in neighbourhood.‎ Have students work in the same groups or in new groups. Each group will make a poster about what things they can do to help reduce pollution in the world.‎ Step6. Homework ‎1.Finish off the exercises in activity book.‎ ‎2.Go on reading in the next book.‎ ‎ Summary:We all think the garbage is dirty. In order to increase the students’ interests, we have to face the garbage and sort it in groups. When we do this, we can find many people are wasting things around us. Learn to recycle things with the students. Let’s see how many new things we can make out of it.‎ ‎ Lesson 60: Fix and Mend Teaching Content:‎ Mastery words and expressions: mend, must, touch, repair Oral words and expressions: tear, cassette, deck, buzz, exactly, reuse, power Teaching Aims: ‎ ‎1.Learn about the knowledge of environment.‎ ‎2.Tell the students to save and protect the resources is our duty.‎ Teaching Important Points:‎ ‎1.In order to save our environment, we should fix and mend something in our daily life.‎ ‎2.Feel the beauty of music.‎ Teaching Difficult Points:‎ Some words and expressions, such as: fit, fix, mend Teaching Preparation: pictures Teaching Aids: audiotape, flashcards, pictures Type of lesson: new lesson Teaching procedure:‎ Step1. Ask the students the questions: ‎ What do you do when your pants have a hole?‎ What do you do with when your shoes have a tear?‎ Work in pairs and discuss the questions. They can ask many other questions. Then let them give a report to the class.‎ Step2. Listen to the tape. Feel the rhythm of the song.‎ Step3. Read the song as a lyric poem. Let the students read after you. Then let them read and translate it. They must add their feelings in it.‎ Step4. Listen to the tape again. Let’s sing after it.‎ Step5. Ask some volunteers to come to the front and act it out.‎ Step6. Practice ‎ Work in groups of three or four. Give examples of the things that we can do around us. Discuss and give a report to the class.‎ Step7. Come to “LET’S DO IT.”‎ Step8. Homework ‎1.Finish off the exercises in activity book.‎ ‎2.Go on the next reading in the student book.‎ ‎ Summary:In order to save our environment, we must do the little things around us. Let the students search on the Internet to get more information about waste. If we all save sources, we can get more energy form the nature. Tell the students to save water is an important thing in our life. Water is the most important source. We cant’ live without water.‎ ‎ Lesson 61: What Was in the Bags?‎ Teaching Content: Mastery words and expressions: more, most, bad, litter Oral words and expressions: a little bit Teaching Aims:‎ ‎1.Build the belief to save our earth.‎ ‎2.Cultivate the feelings of responsibilities.‎ Teaching Important Points:‎ ‎1.Learn new vocabulary for describing materials and for comparing quantities.‎ ‎2.Learn common expressions for offering assistance.‎ Teaching Difficult Points: ‎ New words and phrases to compare quantities.‎ Teaching Preparation: garbage ‎ Teaching Aids: audiotape, flashcards, garbage Type of lesson: new lesson Teaching Procedure:‎ Step1. Take out the garbage and put it on the floor. Let’s discuss what we can reuse and recycle. Ask the students work in their groups and imagine what we can do with it. Give a report to the class.‎ Step2. Listen to the tape and finish Exercise ‎2 in activity book.‎ Danny and Jenny are very _______ to know that people throw ______ _______ waste things away.‎ Danny finds a _______ ______. One of the ________ is broken. He will take it _______ and _______ it. After he _______ it, he will give it to_________ _______, Debbie. ________ should throw away a toy like tat. It’s not _______ to waster things.‎ A lot of the ______ is broken. That’s bad! Once Danny _______ his foot on a piece of broken glass.‎ Step3. Read the text and check the answers. Let the students it loudly in class. Then read it in roles. ‎ Step4. Use the garbage we have brought to the class. Act the dialogue out in front of the class.‎ Step5. Practice some words and expressions: too much, more…than…, most, less…than…‎ too much: ‎ S1: There is too much garbage in the school yard.‎ S2: There was too much rain last summer.‎ more…than…‎ S3: I have more glass than metal.‎ S4: they have more dresses than pants.‎ most S5: Who has the most paper?‎ less…than…‎ S6: Do you have less plastic than metal?‎ Step6. Practice Do Exercise ‎3 in activity.‎ Fill in the blanks according to the text.‎ There are 10 kilograms of paper, 8 kilograms of plastic, and 5 kilograms of metal. There ______ 3 kilograms of glass. So there is ______ paper than plastic, and ______ metal than plastic. Glass is the ______. Paper is the ______. Some of _______ is only use on ______ side. We can ______ it.‎ Step7. Discuss the text in detail.‎ ‎1.Is the garbage in the book the same as that we collect in the school yard?‎ ‎2.What can we use the garbage to do?‎ ‎3.What do you feel about the garbage?‎ Step8. Come to “LET’S DO IT”.‎ Step9. Homework ‎1.Finish off the exercises in activity book.‎ ‎2.Go on the next reading in the student book.‎ ‎ Lesson 62: Take Short Showers!‎ Teaching Content:Oral words and expressions: can, take showers, make…into…‎ Teaching Aims: ‎ ‎1.Know about the pollution in our country.‎ ‎2.We all should take care of our environment.‎ Teaching Important Points:‎ ‎1.How do you think the pollution in our country?‎ ‎2.What should we do to stop pollution?‎ Teaching Difficult Points:‎ Some words and expressions Teaching Preparation: pictures Teaching Aids: audiotape, flashcards, pictures Type of lesson: new lesson Teaching Procedure: ‎ Step1. Come to “THINK ABOUT IT.”‎ Step2. Listen to the tape and fill in the blanks:‎ Our city is clean, but I think we _____ things. I think we waste ______ the most. People waste water, ______. I try not to waste water. I take short ______.‎ A bike ______ make any pollution. It makes the _____ pollution of all types of transportation. Buses make ______ pollution, but ______ of people can travel on a bus. Buses make ______ pollution than cars.‎ Step3. Read the text silently and check the answers. Then read it again and finish the exercises in activity book.‎ ‎1.Why does Liu Yan worry about pollution too much? Because ______.‎ A. She doesn’t like Dalian B. the air and water are clean in Dalian C. people don’t throw garbage on the ground D. Both B and C ‎2.What do people in Dalian waste most?‎ A. Glass B. Paper C. Metal D. Plastic ‎3.How often does a truck pick up the cans and cardboard? ________.‎ A. Every day B. Every week C. Never D. Twice a week ‎4.What does Liu think can make the most pollution? _______.‎ A. Cars B. Big factories C. Bikes D. Both A and B ‎5.What makes the least pollution of all types of transportation? _______.‎ A. Cars B. Buses C. Bikes D. Ships ‎6.How does Liu Yan go to school every day? _______.‎ A. On foot B. By bike C. By car D. By bus Step4. Play the tape again. Let the students read after it for several times. Ask the students to read the text loudly in class. ‎ Step5. Practice Work in groups. Discuss the following questions. ‎ ‎1.What do you think of the city in which you live?‎ ‎2.What’s your advice to stop pollution?‎ ‎3.What’s your plan to reduce pollution?‎ Step6. Come to “LET’S DO IT!”‎ Step7. Homework ‎1.Finish off the activity book.‎ ‎2.Go on the next reading in the student book.‎ ‎ Summary:There are many kinds of pollution. We know air pollution, water pollution and air pollution. It’s very bad for our life. We must do something to reduce the pollution from the three ways. According to the real situation, make a certain plan with the students. We must remember to carry it out as time goes on.‎ Lesson 63: Garbage Is Interesting!‎ Teaching Content:Mastery words and expressions: take a walk, seat Oral words and expressions: can, clean-up, lid, sort…into…, take a trip Teaching Aims:‎ ‎1.Call on the students to protect the environment.‎ ‎2.Think about many ways to reduce pollution.‎ Teaching Important Points:‎ ‎1.Sum what we learn in this unit.‎ ‎2.Learn the knowledge of protecting environment.‎ Teaching Difficult Points:‎ Grasp the ways to reduce the pollution.‎ Teaching Preparation: pictures Teaching Aids: audiotape, flashcards, pictures Type of lesson: new lesson Teaching Procedure:‎ Step1. Let the students sum what we learn in this unit. Ask them to repeat the main idea, but not word by word.‎ Step2. Listen to the tape and fill in the blanks according to the text.‎ On Tuesday, we started a school yard clean-up. We all took bags and worked _______. We picked up all the _______.‎ On Wednesday, Brian, Danny and I took a _______ through our neighbourhood. We _______ up any garbage we _______. Danny found a ______ car with a broken wheel. He took it home, cleaned it and ______ it.‎ The next day, we _______ all the garbage into plastic, metal, glass and _______.‎ Most of garbage was paper. People ________ a lot of paper.‎ Step3. Read the text silently and check the answers. Then read it again and do the exercises.‎ Read the diary and answer true (T) or false (F).‎ ‎1.Jenny learned something about geography this week.‎ ‎2.On Tuesday, Jenny and her friends started a school yard clean-up.‎ ‎3.On Thursday, Danny found a toy car with one broken wheel.‎ ‎4.On Thursday, they took their bags of garbage to school and sorted all of it.‎ ‎5.Most of the rubbish was plastic.‎ ‎6.They didn’t know how garbage is recycled.‎ ‎7.Today, Danny made a car out of garbage.‎ ‎8.Danny used pieces of wood for the car’s body and cardboard box for the car’s seats.‎ Step4. Analyze the text with the students. Discuss the main idea of this text. Let the students sum some language points and practice in class.‎ Step5. Ask the students show what they have make out of the garbage. Present them to the class. Explain to the students how them work. Demonstrate in the class.‎ Step6. Talk about what do you feel about our environment. After they learn the text, what do they want to do? What are they doing these days? ‎ Step7. Come to “LET’S DO IT!”‎ Step8. Homework ‎1.Finish off the exercises in activity book.‎ ‎2.Write a composition about the pollution. Remember to write: how to save the earth? ‎ ‎ Summary:Writing is very important in learning English. How to save the earth is a subject that has much to say. They can use the Internet when they are in trouble. The teacher helps them when they can’t express themselves. ‎ Lesson 64: Unit Review Teaching Content:Mastery words and expressions from Lesson 57 to Lesson 63.‎ Oral words and expressions form Lesson 57 to Lesson 63.‎ Teaching Aims:‎ ‎1.Learn to save the sources and the earth.‎ ‎2.Reducing pollution is our duty.‎ Teaching Important Points:‎ ‎1.Learn some words and expressions about the materials and quantities.‎ ‎2.Learn to sort and recycle the garbage.‎ Teaching Difficult Points:‎ Create the feelings of loving our country and the earth.‎ Teaching Preparation: pictures Teaching Aids: audiotape, flashcards, pictures Type of lesson: review lesson Teaching Procedure:‎ Step1. Play the audiotape. Let’s sing the song in this unit together. At the same time, show some pictures of fixing and mending to the students.‎ Step2. Talk about the meaning of saving our environment and reducing the pollution.‎ Work in groups and talk freely. Then all the students in the groups sum their ideas on a piece of paper. Then give a report in class.‎ Step3. Practice the main grammar: the Object Clause Let some students come to the front and write their sentences on the blackboard. Ask them to explain them in English.‎ Step4. Review some language points in this unit.‎ The styles are making up sentences or making dialogues.‎ Step5. Do with the exercises in this lesson. Discuss some difficulties on the blackboard together.‎ Step6. Come to “Do you know”.‎ Show the sentences or pictures with the flash. Then sum the grammars.‎ Step7. Homework ‎1.Finish off the exercises in activity book.‎ ‎2.Practice the speaking language in this unit.‎ Summary:When the teachers show some pictures of waste and pollution to the students. It is easy to stimulate the students’ interests. They also have much to say. What should they do? What actions can save our earth? Encourage them to image and do what they should do from now on.‎