资源简介

(共31张PPT)
Unit 80ur Blue Planet
Big Questions: Why is water important
In this unit,you will learn to:
otalk about the importance of water.
●understand the importance of saving water.
●use a thinking map to identify the main idea and details.
●use the reading strategy of visualizing.
design a poster for a special day of the earth.
Learning Objectives
通过本课的学习，学生能够：
1.复习巩固与水和健康、海洋垃圾、节约用水相关的词汇和 表达，如“thirsty""clean up""turn off the tap”等 ；
2.掌握一般现在时等时态在描述相关话题时的运用，以及祈 使句在表达环保建议中的用法；
3.以小组合作形式完成保护地球的海报并向全班展示；
4.用英语交流分享关于保护地球、节约用水的想法和做法。
Our Blue Planet
Words and phrases about water
Numbers &Imperative sentences
Ways about saving water
1
3
2
> Review
Let's introduce the Yellow Rive.
It's 5,464 kilometers long.It is a mother river of China.At some places,it is as wide as about 20 kilometers.
There are many famous waterscapes in China.
> Can you describe the process of water cycle
· Water in the air gets cold,
makes clouds and then forms water drops.
· The drops fall and it rains.
· Rainwater goes into rivers, lakes and oceans.
Water Cycle
Water is very important to us.
He is reading a book.
This is David.
Activity1
Pair work.Listen to the conversation and mark T(True)or F(False).
human body
1.The book is about water andour health
2.Up to 60%of our human body is water.
3.Women need more less than men.
4. We should drink water every now and then.
5.We can also get water from what we eat.
一
( ))
T
F
(F)
( )
T
F
Lili:How interesting!Because of this,we need to drink a lot of water right
David:Yes. Men need more water,and women need less.
Lili:Then,how much water do we need a day
David:Well,it's hard to say. Anyway,we should drink water every now and then.
Lili:Sure.What else does the book say
David: We also get water from our food,and we should eat more fruit and vegetables.
Lili:I see.Can I borrow your book to look into it
David:Sure thing!
> Activity1
Pair work.Then talk about what you've learned from the book. Lili:What book are you reading now
David:It's a book about water and human body.
Lili:Oh yeah What does it say
David:From the studies,up to 60%of our human body is water,and there's more water in some parts of our body.
Activity2
He travels to Greece.He sees beautiful sea.
He decides to do sth for our planet!
He also sees many
plastic bags.
/'pl estik/
Activity2
cleanu re about look like bysea
-yea lands goes to Greece
by sea .He sees d ToLOI plasUIC Dags in the sea.The sea looks like a big rubbish bin.T his gives him a great shock. After he gets home,he reads a lot of books tHH
learn more about the plastic rubbish.He /Ja k/n.震 惊 too much rubbish gets into the sea every y
to do something for the sea.He and other people start to clean up_ the rubbish in the sea.They use a big machine for their cleaning work.They hope more people can join
Activity2 Look at the pictures and complete the text.
them to help make the sea clean again.
/'r bií bin/垃 圾 桶
put throw
lmperative
sentenceS
reuse waste
keep
Activity 3
Pair work. Look at the pictures and talk about how to protect our planet by
using imperative sentences.
祈使句
定义 表示： 请求、命令、建议、禁止等。
特点 主语是 you ,常 常 省 略 。以动词 原 型 开头。
Be型 ：Be+ 名词/形容词等+其它
DO型 ：动词原形+宾语+其它
Let型 ：Let sb do sth
用 Don't开 头 ：Don't do sth! 用 Never 开 头 ：Never do sth!
用 No开 头 ：No doing sth!
用 Let开 头 ： Let sb not do sth
肯定结构
否定结构
祈使句
V
Activity 3
Pair work. Look at the pictures and talk about how to protect our planet by using imperative sentences.
Collect the rain water
to water flowers!
Don't throw the
waste into the river.
Don't litter!Put the
waste into the bin.
Activity 3
Pair work. Look at the pictures and talk about how to protect our planet by using imperative sentences.
Reuse the water of
washing clothes to
clean the car.
Don't waste water!
Turn off the tap after
using water.
Keep our ocean and
beach clean!
Pair work. Read the text and then share your ideas about saving water by answering the questions.
We all know we need to save water.But do you know how to do it Here are some suggestions.
1.Don't keep the water running while brushing your teeth.
2.Turn off the tap each time after using water. /'leit r/adv. 后来
3.Do not take long showers. /di'velap/v.发展
4.Collect rainwater for later use.
6.Wash as many clothes as possible at a time. /ka nt/v.计 数
In short,we need to develop the good habit of saving water.Remember, every drop counts !Let's start saving water from now on.
5.Reuse the water from washing. /'h bit/n. 习 惯
Activity 4
Activity 4
Pair work. Read the text and then share your ideas about saving water by answering the questions.
1.What do you usually do to save water
2.Do you keep the water running while brushing your teeth
3.What can you do with rainwater
4.How can you reuse water in your daily life
5.What is most important about saving water
World Forest Day
When: On March 21st
Why forests are important:
· Provide home for plants and animals
· Keep the air clean and fresh
· Protect the soil
· Prevent the sandstorms
● Provide medicine for humans and animals
More special days of the world
special days
联合国于第63届联合国大会上 将每年的6月8日确定为“世界海 洋 日 ”(World Oceans Day)
世6月8日
日
Z
A
E
C
世界地球日(The World Earth Day) 即每年的4月22日，是一个专门为世界 环境保护而设立的节日。
More of the world
界
海洋
When:
Why
Draw a picture here.
Activity 2
Group work.Design a poster for a special day of the world to protect the earth.
Activity 3
Share your poster in class,and then choose the best design.
Here is our poster for...It...
6月8日
界
世界地球日
日
N
A
E
C
1.How much do you enjoy the topic
I'm interested in the topic of the importance of water.
I always try to save water,and I usually
2.How well can you use the language and cultural knowledge
I can use proper rising and falling tones in my speech.
I can use the vocabulary for/of water protection.
I can use the numbers and imperative sentences.
I can save every drop of water in my daily life.
3.How well can you use English to perform the activities
I can talk about different forms of water.
I can understand the texts and recordings in this unit.
I can introduce World Water Day to my classmates.
I can write about how to save water.
Complete the self-assessment list.
4.How well can you use thinking skills and learning strategies
I can identify the main idea and details.
I can use visualizing strategy in reading.
I can work with my partners in pair/group work.
5.How are you satisfied with your group project
I can design a poster for a special day of the world with my partners.
I can report our project to the class.
6.How are you going to improve your English learning
the self-assessment list.
Complete
Let's do Some
exercises!
一 、单项选择
( )1.It is a good to go to bed early and get up early.
A.body B.form habit D.fact
( )2.We should save and protect water in our life
A.enough B.daily C.plastic dirty
( )3. every drop of water and you can make a big difference.
A.Saving B.To save C.Saves Save
( )4.—Why do you wear sunglasses
—Because they can my eyes from the sunlight.
. protect B.shock C.develop D.count
( )5.Let's start doing exercise and we'll be healthy and happy.
A.later on B.from then on from now on D.from that day on
二、口语运用
A:Do you know what the date is today
B:Yes.It's March 21st.1._ C
A:Yes.It's World Forest Day.
B:2._ A
A:Sure.It's about how to protect forests.
B:Why should we do that
A:Because forests are important to us.3.
B:You're right.But now forests are smaller and smaller(越来越小).
A:That's a big problem.4._ E
B:What can we do
A:5._ D For example,we can save paper and
plant more trees.
B:Great idea.Let's do it now.I'm sure we can make
a difference.
A.Can you tell me more about it
B.They also provide us with fresh air, food and many useful things
C.Is it a special day
D.We can start with small things.
E.So we should do something to
protect the forest
Summary
We learn:
1.to review the vocabulary,grammar,thinking skills and reading strategies in this unit.
2.to reflect our performance and improve our learning.
We can: design a poster about a special day and
introduce it to make more people protect our planet.
call on people to protect our earth
in your own ways.
make a poster to save water and introduce it to others.
You should
You may

展开更多......

收起↑