Step 2. Pre-reading
1.出示无污染的地球图片。
T：Look, the Earth is a beautiful place. There are many kinds of sources in it. Do you know some of them? ( water, trees, air etc.)
2.Retell the text according to the blackboard design.
3.Introduce the slogan‘Save the world, save our lives.’ to theSs.
Step 5. Homework
1.Read and retell the passage.
2.Play a game: choose the words you want to make sentences.
(1) they, we, he , she, you, Mike, Helen
(2) chopsticks, paper, crayon, pen, computer, cup
(3) draw, write, make flowers, play games, drink, eat, clean tables, wash clothes
单词卡片，PPT课件，光盘
教学设计
Step 1. Greeting and lead-in
1.Greeting
2.Lead-in:
T:The Earth provides us many sources. They’re useful for us. How do we use them in our daily life?
E.g. We use water to wash clothes.
板书句型：use ...to...
Step 2. Grammar time
1.Brain-storm
Give the students some key words,板书water, trees, plastic, coal, oil, ask the students to make up sentences with‘use...to...’
2.学生能初步听懂并且会说、会读单词、词组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及shouldn’t的用法。
Because there aren’t 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.
1.Watch the cartoon and find the four key points of the text.
2.Listen to the tape and answer the questions.
①What do you think of water? (useful)
②What do we use water to do? (drink, clean things)
2.Guessing game
T: Here aretheother sources. Let’s guess what they are.
①It’s black and hard. We can find it under the ground. It can make us warm. There’s a lot of it inShanxi.
⑤It’s light and soft. It’s widespread in our life.
3.T:They are useful things for us, how do we use them?
For example: We use coal and oil to make energy.
E.g.He uses paper to make flowers.
3.Tick for yourselves: I can use ‘ use... to...’.
Step 3. Fun time
1. T: Before this class, I’ve collected some paper, plastic bags and bottles. Look, I can reuse a plastic bottle to make a vase. T shows the things he made.
3.学生能感知废弃物利用的重要性。
教学重、难点
1.学生能进一步掌握单词及词组：use，waste，drive，glass，collect，cut down，so many，so much等。
2.学生能进一步掌握句型：we use... To...和情态动词should及shouldn’t的用法。
教学准备
4.学生能初步感知保护环境的重要性。
教学重、难点
1、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...
2、学生能初步感知情态动词should及shouldn’t的用法。
3.能流利的朗读课文。
教学准备单词卡片，多媒体（PPT），光盘
板书句型：I can reuse...to...
2.Show time.
T: Show us what you’ve made and tell us how do you reuse the waste things.
I’m anenvironmental volunteer.
I collected...
T: What should we do?学生自读课文，并在文中划出关键词句。
Step 4. Post-reading
1.Read the whole passage loudly and finish the exercise “think and write” on page70, and then check the answers.
3.能听懂、会说、会读句型和日常用语：We use water/ plastic/ wood/…to…。
4.能听懂、会说字母oo在单词中的读音，要求发音准确。
5.通过本单元的学习，让学生能够简单的环保知识，并能用英语进行描述。
课时
1
集体备课教案
二次备课
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...
②It’s a black liquid. We can find it under the ground. Cars need it.
③It’s usually white and thin. We can write and draw on it.
④It comes from trees. We use it to make tables, desks, chairs, beds and many other things.
2.Finish the exercise “True or False” on page70.
3.Collect and make good use of waste materials.
板书设计
Unit7Protect the earth
use... to... We should ...
We shouldn’t ...
板书设计
plastic, coal, oil, use...to...
I can reuse...to...
教学后记
课时
Unit7 Protect the Earth3
引导学生说出water，wood，paper，plastic等资源的用法。
呈现一幅被污染的地球图片。
T:Look at this picture. Is it still beautiful?Now, there is a lot of pollution. We should protect the Earth at once. What can we do?
T: Is he right? We should stop him right 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?Look at this picture. What do you think of it?引出句子:Too much plastic is bad for the Earth.
单元内容
Unit7 Protect the Earth
单元教学目标
1.能听懂、会说、会读、会写词汇：use, much, oil, drive, paper, glass, collect。
2.能听懂、会说、会读词汇：protect, Earth, save, useful, waste, reuse, energy, come from, coal, wood, cut down, too many, plastic, project, poster, gate。