小学英语Unit 7 Protect the Earth优秀课件ppt

这是一份小学英语Unit 7 Protect the Earth优秀课件ppt，共25页。PPT课件主要包含了animal，water，energy，trees，land土地，air空气， trees， air空气，Water ，Save water等内容，欢迎下载使用。

Knw yur teacher
plastic bags & plastic bttles
plastic pllutin
Prtect the Earth
What prblems are mentined in the stry?
Save(节约 )water
Save energy
Dn't use t much plastic.
______ cmes frm trees.
听录音，说出四段文本标题各是什么。
Energy cmes frm ____ and _____.
Listen and repeat
Water is useful，s we shuld nt waste it. ( )We use water t clean the things every day. ( )There is much water in many places. ( ) We shuld nt reuse the water. ( )
Read and judge
Hw d we save water?
Water is useful(有用的). We drink water and use water t clean things every day.In many places, there is nt much water.We shuld nt waste water. We shuld reuse(重复使用) and save it.
Why shuld we save water?
用直线画出原因(Why d we save water?)虚线画出方法(Hw d we save water?)
Read and learn
Save waterWater is useful.We drink water and use water t clean things every day.In many places, there is nt much water.We shuld nt waste water.We shuld reuse and save it.
Reading time
Read and chse
Mst f the energy cmes frm______.A. water and sil B. cal and il
2. We shuld ____________ and we shuld nt_______________.save energy; drive s muchdrive s much; save energy
Hw d we save energy?
Why shuld we save energy?
用直线画出原因(Why d we save energy?)虚线画出方法(Hw d we save energy?)
Mst f ur energy cmes frm cal and il. There is nt much cal and il n Earth.We shuld save energy. We shuld nt drive s much because cars use a lt f energy.
Save energy
Wd cmes frm trees. We use wd t make tables, chairs and many ther things.We shuld nt cut dwn t many trees because trees help keep the air clean.
Hw d we save trees?
Why shuld we save trees?
用直线画出原因(Why d we save trees?)虚线画出方法(Hw d we save trees?)
Wd cmes frm trees.We use wd t make tables, chairs and many ther things.
Self-learning
We shuld nt cut dwn t many trees.
Because trees help keep the air clean.(净化空气)
Fill in the blanks
________cmes frm trees. We use ________ t make tables, chairs and many ther things. We _____________cut dwn ______________trees because trees help ____________________.
keep the air clean
1. What d yu knw abut plastic?
Grup-learning
2. Listen and answerWhat can we use plastic t make?
Shuld we use t much plastic?
What can we use plastic t make?
Shuld we use t much plastic?But t much plastic is bad fr the Earth.We shuld nt use t many plastic bags r bttles.
We use plastic t make bags and bttles.
We can use paper bags and glass bttles.
S what can we use?
We use plastic t make bags and bttles. But t much plastic is bad fr the Earth. We shuld nt use t many plastic bags r bttles. We shuld use paper bags and glass bttles.
Try t say with the given(所给的)wrds
use… t…t much….is bad fr…shuld nt … t many…shuld use…