Unit 7 Protect the Earth Story time 教案

Unit 7 Protect the Earth (Story time)教案
教学目标：
1.学习句型use …to…的用法。
2.掌握情态动词should的用法。
3.能听懂、会说、会读protect, Earth, save, useful ,waste, reuse , energy, most, come from, coal, wood, cut down, too many, plastic, too much。
4.能懂、会说、会读、会写use , much, oil , drive, other, glass, collect。
We use…to… We should….. We shouldn’t….
能正确朗读课文。
教学重点：
1.use…to 和 should的用法。
2.正确理解并朗读课文。
教学难点：
1.三会单词的掌握。
2.use…to 和 should的用法。
教学具准备：
光盘单词卡片，课文图片，PPT
教学过程：
Step 1:Enjoy a story
1.《A mother and her son》
讲故事过程中教授：Coal、oil、wood
2.（出示地球图片）Mother Earth地球母亲
T:We have only one Earth.Let’s protect the Earth!
揭示课题：Protect the Earth
Step 2：Green Guards Needed:招募绿色环保小卫士
Task 1. Try to know four ways to protect the Earth.
1.快速浏览课本P68，找出保护地球的四种方法。
2.Choose one title for each picture (为每幅图选一个主题）.
A:Save water B: Save energy
C:Save energy D:Don’t use too much plastic
（出示饼图）Energy used in China
70% coal 18% oil
Most of（大多数）our energy comes from coal and oil.
3.Energy comes from__________ too.
介绍其他能源（wind energy、water energy、solar energy、nuclear energy）
Task 2. Try to know the use (用处) of them.
1.Watch the cartoon and find out the use of them.
We use water to A. make things and help keep the air clean
We use energy to B. drink and clean
We use trees to C. make bags and bottles
We use plastic to D. drive cars
Task 3. Try to know the problems of them.
1.Read the passage loudly and then discuss the problems of them with your desk mate. (同桌讨论它们面临的问题).
water In many places, there is not much water. (PPT出示干旱地区照片）
energy There is not much coal or oil on Earth.
trees People cut down（砍伐） too many trees.
plastic People use too much plastic.
Difference between many and much
Tip: many, much 都表示许多，
many修饰可数名词，much 修饰不可数名词。
Exercise:
Too __________ plastic is bad for the earth.
People use too __________ plastic bags and bottles.
Task 4 : We know the solutions(解决方法) of the problems.
1.Read the passage carefully and fill in the blanks on P70.
What should /shouldn't we do
We should save ________ and ________ water.
We should not ________ water.
We should ________ energy.
We should not ______ so much.
We should ________ trees.
We should not ______ ______ too many trees.
We should not use too many ______ bags or bottles.
We should use ________ bags and ________ bottles.
图片讲解：reuse =use again
T:We should reuse water.
Step 3: Enjoy Reading
跟读课文一遍
Step4: Try to be a spokesman 尝试做一名“保护地球”发言人。
1. Tips：选择你喜欢的一项环保内容，根据下面图表进行演讲。可以加上自己的语言哦！
What Use(use...to...) Problem Solutions
water
energy
trees
plastic
2.Let’s talk
Choose one part and make dialogues with your partners.
选择一个主题，和你的搭档来说说对话吧。
A: What’s the use of… B: We use…to…
A: What’s the problem of… B: …
A: What should we do with… B: We should/should not…
Step5: Return to the story
1.T: How to make the mother happy
Make up the story:
To make the mother happy,
we should…
We shouldn’t…
watch a video: 5 to do today
T:The son comes back .
T: Protect the earth, Start from now!Start from me!
Step6:Homework
1.Read the story and try to retell the story.
2.Finish the exercise (P70).
3.上网查找更多保护地球的方法，并且从自身做起。