Module 4 Unit 12 The earth 第2课时 课件（17张PPT）

(共17张PPT)
Module 4 The natural world
Unit 12 The earth
学习目标
单词：Earth; part; forest; land; ocean; rubbish; sick; recycle; glass; own
句型：1. Can we do anything to help the Earth
2. We should stop cutting down so many trees.
语法：能看明白地图上所标的颜色及所代表的部分
Earth
forest
land
课堂回顾
ocean
Ms Guo: Look at the picture. What is it
Kitty: It's the Earth.
Ms Guo: The green and brown parts are forests and land. What are the blue parts
Joe: I think they're oceans.
课堂回顾
Ms Guo: Yes, they are. The Earth was very clean and beautiful in the past, but now some parts are dirty. Can we do anything to help the Earth
Alice: Yes. We should stop throwing rubbish into rivers.
Peter: We should stop cutting down so many trees.
Kitty: We should stop using plastic bags.
课堂回顾
Look and read
We live on the Earth. The Earth is a beautiful place. There are riers, oceans, land and forests. There are many different plants and animals too.
Look and read
People, plants and animals need clean water and air. Sometimes people throw rubbish into rivers and oceans. Sometimes people cut down too many trees. Smoke from cars and factories makes the air dirty. The Earth gets sick.
Look and read
Now people work together to keep the Earth clean and healthy. They pick up rubbish. They plant trees every year.
Look and read
They recycle glass and paper. They bring their own shopping bags and stop using plastic bags.
单元新词
sick
生病的
例句 The Earth is sick.
地球生病了。
单元新词
recycle
回收利用；再利用
例句: We should recycle these bottles.
我们应该回收这些瓶子。
单元新词
glass
玻璃制品；玻璃
例句: The bottles are glass.
这些瓶子是玻璃制品。
单元新词
own
自己的
例句: I have my own room.
我有自己的房间。
Look and read
Answer the questions.
1. Why does the Earth get sick
2. What do people do to keep the Earth clean and healthy
Sometimes people throw rubbish into rivers and oceans. Sometimes people cut down too many trees. Smoke from cars and factories makes the air dirty.
They pick up rubbish. They plant trees every year. They recycle glass and paper. They bring their own shopping bags and stop using plastic bags.
随堂练习
dirty factory clean countryside rubbish
The Wangs are on the holiday in the ___________.
Bob: Let's go fishing, Mary!
Mary: There is some __________in the water. It's very ______. Fish cannot live there.
Bob: Look! Some smoke is rising slowly in the air.
Dad: It comes from a ______. The air is not clean here. The countryside is not ________now. We must stop polluting the countryside.
countryside
rubbish
dirty
factory
clean
随堂练习
选句子，完成对话
Tom: What are you doing, Ben
Ben: 1. ______
Tom: What are they about？
Ben: The Earth Day.
Tom: 2. ______
Ben: It's on the last Saturday of March.
Tom: What do people usually do on that day
Ben: 3. ______ They work together to save electricity.
Tom: What are you going to write on your posters
Ben: 4. ______ I'm going to give them out in the supermarket near my home.
Tom: That's great! 5. ______ Can I help you I'm good at drawing.
Ben: Sure！Thank you.
A. People usually turn off lights for an hour at night.
B. When is the Earth Day？
C. I'm going to write “Please bring your own shopping bags.”on them.
D. We should stop using plastic bags.
E. I'm making some posters.
E
B
A
C
D
课后作业
尝试用本课时学到的句子造句。
抄写、背诵本课时中学到的单词、短语和重点句型。