Unit 7 Protect the Earth story time 课件（27张ppt）

(共27张PPT)
Unit 7 Protect the earth
(Story Time)
Let’s meet
We should save energy.
I go to work on foot everyday
节约
能源
because
因为
coal
煤
oil
石油
Save energy
coat
Most of our energy comes from coal and oil. There is not much coal and oil on earth.We should save energy. We should not drive so much because cars use a lot of energy.
Most of our energy comes from coal and oil. There is not much coal or oil on earth.We should save energy. We should not drive so much because cars use a lot of energy.
大部分
应该
用直线画出原因(Why do we save energy )
虚线画出方法(How do we save energy )
节约能源
来自
Memory check 记忆考验
1.Most of our energy comes from ____ and ____ .
2.We should save ____ .
3.We should not ____ so much.
coal
oil
energy
drive
Protect the Earth保护地球
地球受伤了
Protect the Earth 保护地球
现在有许多保护地球的志愿者（volunteer）
Do you want to join them？
你们愿意加入他们吗？
Save energy
What else should we do
我们还该做什么？
Save(节约 )water
Save energy
Save trees
Don't use too much plastic.
Wood comes from trees.
What else should we do
我们还该做什么？
Wood comes from trees.We use wood to make tables, chairs and many other things.
We should not cut down too many trees because trees help keep the air clean.
We use plastic to make bags and bottles. But too much plastic is bad for the earth.
We should not use too many plastic bags or bootles.
We should use paper bags and glass bottles.
Water is useful(有用的). We drink water and use water to clean things everyday.
In many places, there is not much water.
We should not waste water. We should reuse(重复使用) and save it.
Step1: 圈出生词，猜词意，理解短文。
（可参考课本94页）
Step2:用直线画出原因(Why do we... ),
Step3: 用虚线画出方法(How do we ... )。
Water is useful. We drink water and use water to clean things everyday.
In many places, there is not much water.
We should not waste water. We should reuse and save it.
有用的
浪费
再利用
Memory check 记忆考验
1.We drink water, and use ____ to____ things every day.
2.We should not ____ water.
3.We should ____ and ____ water.
water
clean
waste
reuse
save
Wood comes from trees.We use wood to make tables, chairs and many other things.
We should not cut down too many trees because trees help keep the air clean.
其它的
砍伐，砍掉
木材
Memory check 记忆考验
1.We use ____ to make tables, chairs and many other things.
2.We should not ______ too many trees.
wood
cut down
We use plastic to make bags and bottles. But too much plastic is bad for the earth.
We should not use too many plastic bags or bootles.
We should use paper bags and glass bottles.
塑料
玻璃
Memory check 记忆考验
1.We use ____ to make bags and bottles.
2.We should not ____ too many _____ bags or bottles.
3.We should use ____ bags and ____ bottles.
plastic
use
paper
plastic
glass
T
F
T
T
F
nourish(养育) us
We should protect the Earth.
Love the Earth，love life.
爱地球，爱生命。
保护地球，让地球开心，让我们幸福。
There isn’t much energy on Earth.
在世界上能源也不是很多
地球