(共40张PPT)
Unit 7 Protect the Earth
译林牛津·六年级上册
Story time
Guessing game
It’s black and hard. We can find it under the ground. It can make
us warm. What is it
It’s coal.
煤炭
It’s a black liquid. We can find it under the ground too. Cars need it. What is it
It’s oil.
石油
Most energy comes from coal and oil.
能源
大部分
从……来，来自
It’s usually white and thin. We write and draw on it. What is it
It’s paper.
Look at this bottle. It’s light and soft. But it’s strong. It’s a plastic bottle.
塑料
What plastic things do you have
plastic cup
plastic pencil case
plastic bag
plastic toy
Look at the dining table and chairs
Are they plastic things too
No, they’re made of wood.
木头，木材
We use wood to make tables and chairs.
We use water to wash our face.
use sth. to do sth.
使用某物做某事，to do sth. 表示目的
We use coil to make electricity.
We use oil to drive cars.
开车，驾驶
Make mores sentences with “We use … to ...”.
Enjoy a song
What’s the name of the song What’s it about
Heal the World. It’s about protecting the Earth.
保护
地球
Why should we protect the Earth
Our Earth is ill.
Look and guess
How to protect the Earth
water
energy
wood
plastic
Fast reading: Watch and check
Save water
Save energy
Save trees
Don’t use too much plastic
How to protect the Earth
Careful reading
Task 1: Read part 1 and answer the following questions.
① What do you think of water
Water is useful.
② What do we use water to do
We drink water and use water to clean things.
③ Is there a lot of water
No, there isn’t much water.
有用的
很多
④ What shouldn’t we do
We shouldn’t waste water.
⑤ What should we do
We should reuse and save it.
浪费
再利用
节约
I turn off the tap after washing hands.
waste water
reuse water
save water
I use water to wash clothes, then I use the water again to clean the floor.
waste water
reuse water
save water
My father uses water to wash his car every day.
waste water
reuse water
save water
Task 2: Read part 2 and fill in the blanks.
Most of our energy ______ from _____ and ___.
We should not _____ so much because cars
use a lot of _______.
comes
coal
oil
drive
energy
Task 3: Read part 3 and fill in the table.
wood
comes
from
We use
… to …
We should
not
trees
make tables, chairs and many other things.
cut down too many trees
Reason
help keep the air clean
砍伐，砍掉
太多
修饰可数名词复数形式
Task 4: Read part 4 and choose.
1. We use plastic to make __________.
A. toys B. paper C. bags and bottles
2. We should use _____ bags and _____ bottles.
A. plastic, glass B. paper, glass
C. plastic, plastic
玻璃
Story time
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.
there be 句型： There is+不可数名词（+地点）.
Save 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.
most of +名词作主语，谓语动词的数根据名词的数来定
后接可数名词复数形式，
相当于many，后接不可数
名词，相当于much
如此多（的）
= is from
should do sth. 应该做某事
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.
Save trees
keep +名词（宾语）
+形容词（宾补）
使……保持……
其他的
help (to) do sth. 帮助做某事
help sb.帮助某人
help sb. with sth. 在某方面帮助某人
help sb. (to) do sth. 帮助某人做某事
Don’t use too much plastic
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.
太多
修饰不可数名词和动词
be bad for…
对……有害的
coal
oil
Earth
paper
plastic
wood
There is not much water in many places.
Cars do not use much energy.
We should not cut down trees.
Trees help keep the air clean.
We should not use plastic bags because they are not useful.
use
too many trees
Task 5: True or false
too much plastic is bad for the Earth
Task 6: Think and write
How to protect the Earth
We should save ______ and ______ water.
We should not ______ water.
We should save _______.
We should not ______ so much.
water
reuse
waste
energy
drive
How to protect the Earth
We should save _____.
We should not cut down too many _____.
We should not use too many _______
bags or bottles.
We should use _____ bags and
_____ bottles.
trees
trees
plastic
paper
glass
Task 7: Watch and read
water
We use water to …
There is not much ...
We should/ shouldn’t …
energy
comes from…
There is not much ...
We should/ shouldn’t …
wood
comes from…
We use …
We shouldn’t …
plastic
We use …
We should/ shouldn’t …
Task 8: Try to retell
Group work
Work in groups of four and come up with slogans about protecting the Earth.
We are the world.
Love the Earth, love life.
Be seen to be green.
低碳生活，从我做起。
我们即世界。
爱地球，爱生命。
Recycle the present, save the future.
现在回收，将来不愁。
Summary
Key words & phrases:
Key sentences:
We drink water and use water to clean things
every day.
We should not waste water.
We should reuse and save it.
much oil drive other glass protect Earth save
useful waste reuse energy most come from coal wood cut down too many too much plastic
Exercise
一、根据句意及首字母提示补全句子。
1. We should not use too many p_____ bags.
2. Most of our e______ comes from coal and oil.
3. Wood is u_____.
4. We should r_____ water. We shouldn’t
w____ water.
lastic
nergy
seful
euse
aste
二、根据汉语意思补全句子。
1. 不要在这个森林里砍伐树木。
Don’t ______ ______ ______ in this forest.
2. 地球上没有很多煤炭和石油。
There ___ not ______ coal ___ oil on ______.
3. 这些植物能帮助我们清洁空气。
These plants can ______ _____ the air ______.
4. 你爸爸不应当开车太多。
Your father _________ drive ____ _______.
cut down trees
is
much
or
Earth
help keep clean
shouldn’t so much
Homework
1. Read and write the key words and phrases for
five times.
2. Listen, read and try to retell the passage to
your parents.
3. Talk about how to protect the Earth with
your friends.
We love the Earth. We should protect our home.
