Unit 7 Protect the Earth 第四课时课件（20张PPT)

课件20张PPT。 Unit 7

Protect the Earth
(Checkout Time & Ticking time)
Protect the Earth Unit7 Protect the EarthFour groupsIt’s important.We use it
every day.We use it
to clean
things.WaterMost of it
comes from
coal and oil.It’s useful.
EnergyWe use them
to make a lot
of things.They can keep
the air clean.We use it
to make
bags and
bottles.TreesBut we
shouldn’t
use too
much.PlasticGuess！ 根据提示猜单词oilcoalenergywoodwaterLet’s reviewLet’s playcoaloilenergypaperplasticwaterwoodLet’s playLet’s talkWe use paper to make boxes. Energy is useful.________ is useful.________ is useful.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 surveyWe 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 surveyWe 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.
Weshouldreuse water.Weshouldwrite on both sides of paper.Weshould notdrive so much.Save waterSave treesSave energyDon’t use too much plasticLet’s try to use活动要求：
两人合作，一个用We should not…，一个用We should …Why?How?Let’s summarizeLook and write
What should they not do?
What should he not do?He should not _____________
in the restaurant.smokeWhat should they not do?They should not _____________
_____________in the park.litterWhat should they not do?They should not _____________
__________________________. cut down too
many trees in the forestWhat should they not do?They should not _____________
_____________in the river.put rubbishWhat should they not do?They should not _____________
______________in the library.talk What should they not do?They should not _____________
__________________________. use too many
plastic bags in the supermarketTo protect the Earth, What should we do?What should we not do? Let’s write :Protect the Earth To protect the Earth, we should ________________________________________________________________________________________________________________________________________________
To protect the Earth, we should not _______________________________________________________________________________________________________________________________________