Unit 7 Protect the Earth Story time课件(共28张PPT)

(共28张PPT)
Unit7 Protect the Earth
（第一课时：Story time）
Let’s talk
rubbish
black smoke
What can you see from the video
What should we do
Protect the Earth
Let’s skim
What should we do to protect the Earth
快速浏览课文，给出四个标题。
Give titles to the pictures
save water
save energy
save trees
Don’t use too much plastic.
太多
too much用于修饰不可数名词 too many用于修饰可数名词
Let’s learn
Why should we save water
Water is useful. We drink water and use water to clean things every day. In many places, there is not much water. We should not waste water. We should reuse and save it.
（有用的）
Let’s learn
How should we save water
Water is useful. We drink water and use water to clean things every day. In many places, there is not much water. We should not waste water. We should reuse and save it.
Let’s think
What can we do with water
We can use…to…
Let’s retell
Why
How
Let’s learn
1.四人一组，阅读其余三段，合作学习新单词并尝试理解。
2.选择合适的方式来开展学习并汇报（互相问答、轮流介绍）
Why How
Energy
Trees
Plasric
Let’s report
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.
Why should we save energy
我们的大多数能源
coal 煤炭
boat, coat
oil 石油
toilet
Let’s report
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.
How should we save energy
Let’s learn
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.
Why should you save trees
Let’s learn
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.
How should we save trees
（砍伐）
Let’s learn
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 bottles. We should use paper bags and glass bottles.
Why should we save plastic
Let’s learn
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 bottles. We should use paper bags and glass bottles.
How should we save plastic
Let's imitate
Water is useful. We drink water and use water to clean things every day. In many places, there is not much water. We should not waste water. We should reuse and save it.
Let’s imitate
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.
Let’s imitate
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.
Let’s imitate
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 bottles. We should use paper bags and glass bottles.
Let’s judge
T
F
T
T
bad for the Earth
F
根据课文内容，判断句子正误，在小组内交流。
Let’s write
water
reuse
waste
energy
drive
trees
trees
plastic
paper
glass
Many animals lost their home.
We must protect the Earth.
We must save our home.
This is the water pollution.
People cut down too many trees.
This is the air pollution.
This is the land pollution.
Many years ago, the Earth
was very clean.
But now there is much pollution.
There are lots of forests.
There are many countries and cities.
And there are many people.
This is the Earth.
The green part is land.
The blue part is sea.
The white part is cloud.
There are rivers, seas and lakes.
There are hills and mountains.
Our Earth, our home.
Let’s know more about
the Earth.
Think and talk
What else can we do to protect the Earth
…
The Earth is not only a planet,
but also our home.
We have only one Earth.
Let’s
Protect the Earth!
地球不止是一个星球，
也是我们的家园。
我们只有一个地球。
Homework
必做：
1. Imitate the Story time three times. 模仿跟读 Story time 三遍。
2. Read the story fluently, and try to retell the whole story.
熟练朗读课文，尝试复述整个故事。
选做：
1.Tell your friends or family how to protect the Earth。
告诉你的朋友或家人如何保护地球。
2. Make a mind map about Story Time.
绘制关于Story Time的思维导图。