Unit 7 Protect the Earth（ 复习课件）

(共33张PPT)
Protect the Earth
Review
Let's guess
plastic
oil
environment
Earth
What do you know about the Earth
How do you feel now
Protect the Earth
Let's discuss
Why should we protect the Earth
Wate r is use ful.
The re is not much wate r.
Save water
Why
How
We should not
We should
×waste water
save water
re use water
Most of our energy comes from coal and oil.
There is not much coal or oil on Earth.
Why？
How
Save energ y
We should save energy.
We should not drive so much.
We use wood to make tables,chairs and many other things.
Trees help
Save tre e s
Why？
How
We should not
cut down too many tre e s .
keep the a. ir cle an
We use plastic to make bag s and bottles. Too much plastic is bad for the Earth.
Don't use too much plastic
Why？
How ？
We should not use
too manypaper bag s
or bottles.
We should use paper bag s and g la ss bottles .
coal
oil
energy
paper
plastic
water
wood
Let’s play
Let’s talk
use… to…
We use paper to make boxes.
Energy is useful!
________is useful!
________ is useful!
Let’s think
We use water to
We use plastic to
We use wood to
clean things.
make bags and bottles.
make tables, chairs
use
to
Let’s find the rules(规则)
sth.
do …
and other things.
water
sit
trees
wood
chairs
We use water to plant trees.
Wood comes from trees.
We use wood to make chairs.
We use chairs to sit.
Brain storm(脑筋急转弯）
use...to...
活动要求：
1、选好题目，两人合作，一人说一句。
2、说完一题后，可尝试另外的两题，看看谁说得最多！
use...to...
wood
eat
plastic
go shopping
water
read
plastic
go shopping
比寿命，你算老几？
1000 years
Too much plastic is bad for the Earth.
Do not use too much plastic.
Brain storm(脑筋急转弯）
Do you know
there will be 40 thirsty countries in 10 years.
If we do nothing to help,
there will be No coal on Earth in 113 years.
there will be No oil on Earth in 53.3 years.
there will be No trees on Earth in 775 years.
My friends , what should we do
1. Do you reuse water
Yes. No.
2. Do you write on both sides（面）of paper
Yes. No.
3. Do you often go to school
by car
Yes. No.
4. Do you often use plastic
bags or bottles.
Yes. No.
We should reuse water.
We should write on both sides
（面）of paper.
We should not drive so much.
We should not use too many
plastic bags or bottles.
Let’s do a survey
We should reuse water.
We should write on both sides
（面）of paper.
We should not use too many
plastic bags or bottles.
We should not drive so much.
Let’s do a survey
We should reuse water.
We should write on both sides
（面）of paper.
We should not use too many
plastic bags or bottles.
We should not drive so much.
We
should
reuse water.
We
should
write on both sides of paper.
We
should not
drive so much.
or bottles.
We
should not
use too many plastic bags
Let’s do a survey
Let’s find the rules
We
should
reuse water.
We
should
write on both sides of paper.
We
should not
drive so much.
or bottles.
We
should not
use too many plastic bags
should
should not
do …
What are they doing
Cartoon time
They are doing a project.（课题）
They are making a poster.
watch and match
trees
flowers
the Earth
bananas
a rubbish bin
Try to imitate
模仿他们的语气说出句子。
Let me draw the Earth with trees and flowers on it.
Let me draw some bananas
on the trees.
Let me draw a rubbish bin.
Bobby you shouldn’t litter.
地球日
Earth Day is on
世界环境日
World Environment Day is
Bobby and Sam are doing a project. They are ______
a poster. Sam starts ________（画画）. He _______
（画)the Earth _____（先）. The picture ______________(看上去漂亮）. They draw some bananas _____ the tree. Bobby and Sam put the poster
______________(在校门口)
Culture Time
22nd April
Earth Day
World Environment Day
on 5th June.
making
drawing
draws
first
looks beautiful
on
at the school gate.
从… 来,来自
在许多地方
3.砍伐太多的树木
4. 在地球上
5.使用大量能源
6.用水洗东西
12.地球日
come from = be from
use water to clean tings
7.使用木头做桌子
8.浪费水资源
9.使用太多的塑料
10.很多其他东西
11.帮助保持空气清新
Earth Day
in many places
cut down too many trees
on earth
use a lot of energy
use wood to make tables
waste water
use too much plastic
many other things
help keep the air clean
使用纸袋子和玻璃瓶
做课题
15. 做一张海报
16. 对……有害
对…… 有益
把它放在学校大门上
节约能源
告诉某人关于某事
大多数能源
use paper bags and glass bottles
do a project
make a poster
be bad for
be good for
put it at the school gate
save energy
tell sb. about sth.
most of the energy
21. 再利用塑料瓶做一个玩具
reuse a plastic bottle to make a toy
再利用纸做一个盒子
reuse paper to make a box
让我画一些香蕉
let me draw some bananas
23.收集一些塑料袋
collect some plastic bags
A.told, about
C. says, about
B.tells, for
D.said ,about
(1) We can use water things.
A.to clean B. cleaning C. clean
Too much plastic bad for the Earth.
is B. are C. be
Don’t use too plastic or too plastic bags.
much,many B. many,much C. much,much
--Do you know the news
--Yes, Mike me it yesterday.
7.Don’t (throw)rubbish anywhere.
(plant) trees on
(wash) clothes.
(draw).
8.The students are
the hill now.
Nancy usually (use) paper bags and glass bottles.
Water is useful for us. We use water _____
11. (protect) the Earth, we can reuse
many things.
12.He starts ______
We use wood (make) things.
The books are (use).
How can we protect the Earth
Let's discuss
1. Talk in pairs.
2. Write the key words.
How can we protect the Earth
Let's discuss
1. One student from each group writes key words on the blackboard.每大组选一位同学到黑板上写关键词。
Let's PK
2. The one who writes the most and the best is the winner.写得又多又好的获胜。
Let's think
What is a good initiative
1. All the parts;
2. Correct spelling;
3. No grammar mistakes（错误）;
4.Logical（符合逻辑的）writing.
One topic;主题
Let's write
1. Everyone writes one part;
2. Stick on the paper in order（按顺序）.
beginning
body
why
how
ending
1. Write the title;
Let's check
与其他小组的同学交换修改，并提提建议吧！
Words are powerful!
Homework
1. Finish your initiative ;
2. Show your initiative to others.