Unit7 Protect the Earth (第二课时） 课件（34张PPT）

课件34张PPT。theEarthProtectGrammar time, Fun time & Culture time(Period 2)Join usCome and join us!学校正在招募绿色环保小卫士哦！Green GuardProtect the EarthSave waterSave energySave treesDon’t use too much plasticLet’s reviewWater is ______. We ______ water and use water to ______ things every day. In many places, there is _____ _____ water. We should not ______ water. We should ______ and _____ it.Most of our energy comes from _____ and _____. There is ____ _____ coal ____ oil on Earth. We should ______ energy. We should not ______ so much because ______ use a lot of energy.Wood comes from ______. We use _____ to make ______, _______ and many other things. We should not ______ ______ too many trees because ______ help keep the air clean.We use ________ to make bags and bottles, but _____ _____ plastic is _____ for the Earth. We should not use _____ ______ plastic bags ____ bottles. We should use ______ bags and ______ bottles.usefuldrinkcleannot muchwastereusesavecoaloilmuchorsavedrivecarsnottreeswoodtableschairscut downtreesplastic too muchbadtoo manyorpaperglassLet’s review 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.Wood comes from trees.
We should not cut down too many trees because trees help keep the air clean.Water is useful.
In many places, there is not much water. We should not waste water. We should use and save it.Grammar timeWe drink water and use water to clean things every day.We use wood to make tables, chairs andmany other things.
We use plastic to make bags and bottles,Most of our energy comes from coal and oil. There is not much coal or oil on Earth. We save energy. We should not drive so much because cars use a lot of energy.tousetouse useto?Grammar timeuse … to ...你能找到什么规律吗？Make sentencesWe use … to …watersittreeswoodchairsWe use water to plant trees.Wood comes from trees.We use wood to make chairs.We use chairs to sit.waterreadwoodeatplasticgo shoppingTips:
1.选好题目，两人合作，一人说一句。
2.说完一题后，可尝试另外两题，看看谁说得最多！Make sentenceswaterreadWe use books to read.We use water to plant trees.We use trees to make paper.We use paper to make books.Make sentencesWe use … to …woodeatWe use wood to make chopsticks.We use chopsticks to eat.Make sentencesWe use … to …plasticgo shoppingWe use plastic to make bags.We use bags to go shopping.Make sentencesWe use … to …Grammar timeTip 1: should情态动词，含义是应该，否定形式should not=shouldn’t，后面跟动词原形。Tip 2: 与should相同用法的词还有can和must.Look, judge and sayWe should … We should not …We should ride bikes.Look, judge and sayWe should … We should not …We should not litter.Look, judge and sayWe should … We should not …We should not climb trees.We should not play on the grass.Look, judge and sayWe should … We should not …We should plant trees.Look, judge and sayWe should … We should not …We should not waste water.Culture timeEarth Dayis on 22nd April.地球日Culture timeWorld Environment Dayis on 5th June.世界环境日wordDo you know others? （你还知道其它环保公益日吗？）Know moreTree Planting Day (Arbor Day) is on 12th March. 植树日Know moreWorld Water Day is on 22nd March. 世界水日Know moreWorld Food Day is on 16th October.世界粮食日We should love and protect our Earth.Love the Earth, love life(生命).Save energy, save the world.Culture timeMake a proposal倡议书Come and join us!Make a proposal(Save paper)Why?How?Dear friends,Paper is useful.But many people waste paper. We should not throw paper after using one side.
We should write on both sides（面）. Save paper! Come and join us!We use paper to makebooks and newspapers.
Dear friends,
____ is/are useful. We use _____ to _____________.
But ________________.
Come and join us!Make a proposal(_________)Why?How? We should ___________.
We should not ________.
Save _____! Come and join us!
Step 1: 四人一小组，选择一个话题讨论。Step 2: 根据讨论内容每组完成一份倡议书。Step 3: 小组成员齐读倡议书。Step 4: 向全班同学展示你们的倡议书吧！Enjoy the songFun timeReduceReuseRecycleWe can reuse … to …再循环减少再利用Fun timeI collect some _______________.
I can reuse _________
to ________________.paperpapermake a boxFun timeI collect some _____.I can reuse _____ to _____.Show
timeI collect some …
I can reuse … to …
Look, it’s/they’re …
I can …Save things and reuse things.Let’s protect the Earth together.