Unit7 Protect the Earth (第1课时） 课件（共33张PPT）

Unit 7 Protect the Earth
(Story time)
It is black and hard.
We can find it under ground.
It can make us warm.
There's a lot of it in Shanxi.
coal
It is black liquid.
We can find it under the ground too.
Cars need it.
oil
It is usually white and thin.
We write and draw on it.
paper
It is useful.
We use it to make desks and beds.
It comes from trees.
wood
It has different forms.
It is bad for the Earth.
We use it to make bags and bottles.
plastic
It has no color or smell.
You can find it in the rivers and lakes.
We drink it.
water
It is round.
It is the source of life.
It moves around the sun.
We live on it.
the Earth
Protect the earth
Scanning: answer the question
How can we protect the Earth?
Don't use too much plastic
Listen and answer:
1.What do you think of water?
2.What do we use water to do?
3.Is there a lot of water everywhere?
4.What shouldn't we do?
5.What should we do?
We should reuse and save it.
We drink water and
use water to clean things.
No, there isn't.
Water is useful.
We shouldn't waste water.
再利用
浪费
节约
Read and complete the table(表格)
water
is...
We use...to...
There's...
We should not
We should
useful
not much
clean things
reuse and save it
waste
Read Part Two and judge(判断)
1.Most of our energy comes from coal
and oil.
2.There is a lot of coal and oil on Earth.
3.We should drive cars every day.
4.Cars use lots of energy.
T
F
T
F
能 源
Read and complete the table(表格)
Energy
comes from
We use...to...
There's...
We should not
We should
coal and oil
not much
drive cars
save energy
drive so much
Read and complete the table(表格)
Wood
comes from
We use...to...
We should not
trees
make tables, chairs
cut down too many trees
Listen and complete the table(表格)
Plastic
We use...to...
We should not
We should not
make ____ and ______
use ________ plastic bags or bottles
use ______ bags and ______ bottles
bags
too many
paper
bottles
glass
可以自己朗读课文，也可以和小组同学一起朗读。
Don't use too much plastic
is...; use...to...;there's...;
we should not; we should
use...to...;
we should not
we should
comes from; use...to...;
there's...; we should not
we should
comes from...;
use...to...;
we should not
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?
Do you know？
We should love and protect our Earth.
Let’s make a proposal（倡议书）
Save water
Dear friends:
Water is very useful. We ___water__
drink. We_____________________________

But there is not much water in many places on Earth.

We should not____________________
_____________________________________

We should _______________________
______________________________________

Water is life!
Save water! Save our lives!

____________
活动要求：
1、选择一份完成
2、完成后组内交流
Let’s make a proposal（倡议书）
Save energy
Dear friends:
Energy is very useful. We __energy__
light our city. We______________________

Most energy comes from coal and oil. But there is not much coal or oil on Earth.
We should not____________________
_____________________________________

We should ________________________
______________________________________

Save energy! Start from me!
Save energy! Start from now!
____________
Let’s make a proposal（倡议书）
Save trees
Dear friends:
Trees are very useful. Wood comes from trees. We ___wood__make paper.
We ________________________________

Trees help keep the air clean. But people cut down too many trees.
We should not____________________
_____________________________________

We should ________________________
______________________________________

Plant a tree!
Green the Earth!
____________
Let’s make a proposal（倡议书）
Don’t use too much plastic
Dear friends:
We use too much plastic. We _plastic_ make toys. We _____________________
But too much plastic is bad for the Earth.
We should not_____________________
_____________________________________

We should ________________________
______________________________________

Say no to plastic bags!

____________
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.
Let’s try to use
use...to...
Let’s try to use
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