Chapte r5 Electricity精读课件

课件19张PPT。Chapter 5
ELECTRICITY移动;运动
仆人;佣人
愚蠢的
流动
解释
形式
与…连接
有礼貌地
电池搔；抓
电灯泡
电缆
露齿笑
包；袋
捉弄
发电站
包括；包含
能量 movement
servant
foolish
flow
explanation
form
connect
politely
battery scratch
light bulb
cable
grin
packet
trick
power station
contain
energy重点词汇拓展词汇Who is the Memery King? Daisy went out to buy some ________. And Benny wanted Daisy to buy _______________________.
Because he wanted to _______ her. Benny and his parents talked about ________ at home. It’s the ______ of mankind. At last, Daisy came back, she bought a packet of _______ for Benny. Then _______ looked foolish.sweets a packet of electricity trickelectricityservantbatteriesBennyI’m going to buy some
______. Does anyone
want anything?’I was able to _______Daisy at last.
You can’t buy electricity__________
like________! She’ll look________.sweetselectricitytrickin packetsYes. Can you get me
a packet of
_________, please?’sweetsfoolishRead Para 1-3 and think about these questions.Did Benny really need a packet of electricity?No, he just want to _____ Daisy. Because we
can’t buy electricity _________.trick in packets 1.a packet of… “一包…”
in packets “一包包的”
Eg. 这个山上的矿泉水以瓶出售
The mineral water on the mountain is sold ________.in bottles 2.trick “捉弄” = play a trick on = make fun of
那个男孩总是捉弄他的同学。
The boy always _______ his classmates.
The boy always _____ ___ ____ ___ his classmates.
The boy always _____ _____ ____ his classmates.tricks plays a trick on makes fun ofWhy did Benny say, “I was able to trick Daisy at last?Discuss 3.be able to “能够” = can
I was able to trick Daisy at last.
= I ______ trick Daisy at last.
4.at last “最后，终于”= finally = in the end
警察终于找到了那个男孩。
The police found the boy ____ ______.
_______, the police found the boy.
The police found the boy ____ _____ _______.could at lastFinally in the endWhat is electricity? (para4-5)What can we do with
electricity? (para6)Can we see electricity? (para7)How does electricity
come into our flat? (para7-9)Things about electricityWhat is electricity?Electricity flows through a wire. It’s like water, in a way.通过…流动在某种程度上相关词组
in a way in the way
by the way on the way
in this way in no way在某种程度上挡路顺便说一句在……路上用这种方法绝不Please finish the exercises on Paper43 Edition2 点击1，点击4What can we do with electricity?We use it to do all kinds of things, like __________ TV and __________ the air conditioner.runningwatching运行What else can it do?Can we see electricity?We can’t see electricity. But we can _______ it ______ different forms of energy.changeintochange (sth) into… “把某物变成…”
= turn (sth) into … Please finish the exercises on Paper43 Edition2 点击2 sound energy 声能 movement energy 动能
light energy 光能 heat energy 热能How does electricity come into our flat?3.These wires _____ ________ ____ the cables under the street.1.The light _____ _____electricity.comes from2.Electricity comes into our flat through _____ ______.are connected tothin wires4.The cables are connected to a _______ _______, we _____ _________ there.power stationmake electricity（点击3）Let’s find the result of the story by matching the words and the people.May I have my packet of electricity?
Daisy’s right. They contain electricity. The chemicals inside produce electricity.
Who’s looking foolish now, Benny?
Yes. Here it is.
But these are batteries!Benny
Daisy
Dad
MumBenny said politely, with a grin on his face= in a polite wayAct the dialogueWhat is electricity?What can we do with electricity?What does electricity look like?How does electricity come into our flat?一包包的
捉弄某人
能够
终于
在某种程度上
流经
重点词组把某物变成…
不同形态的…
被连接到
发电站
发电
电灯泡 in packets trick sb be able to at last in a way flow through change sth into… different forms of… be connected to power station make electricity light bulbPractice
Which wire _______ the computer with the printer?
connects B. connected C. is connected D. connect
2. After running a long way, I haven’t __ to play tennis.
electricity B. cables C. servant D. energy
3. Last night, all the lights in my flat __________.
went off B. went out C. went down D. went over
4. – We can’t see electricity.
-- Yes. But we can change it ____ different forms of energy. A. Onto B. into C. for D. by
5. --Do you know what he _______ best?
-- Playing basketball.
A. like B. is like C. looks like D. likesPractice
6. --How does electricity come into our flat?
--- It comes into our flat ______ thin wires.
A. in B. to C. from D. through
7. ---I want to watch CCTV news. May I ______ the TV?
--- Sure.
A. turn off B. turn up C. turn down D. turn on
8. --- We can’t see air. It has no colour or smell.
--- That’s not a bad ___________.
A. explain B. introduce
C. explanation D. excuses
9. ---Can you tell me what electricity is?
--- It is like water ________. It flows through a wire.
A. in the way B. on the way
C. by the way D. in a way
Practice完成句子:
1.最后, 我们队赢得了这场篮球赛.
Our team ______ the basketball match ______ _______.
2. 电看起来像什么?
What ________ electricity _________ ________?
3. 这个岛由一座桥和大陆连接了起来.
The island is _________ _____ the mainland ____ a bridge.
4. 我们可以把电转变成各种形式的能量。
We can ________ electricity ______ different ______
of ___________.
5. 这条河流经这个森林.
The river _________ _________ the forest.
at lastintowonlook like connected tobychangeformsdoesenergy flows throughPractice
6. 这根线连接到了我的电脑上.
The wire is __________ ________ my computer.
7. 我们一定要把我们 的校园变成一个美丽的花园.
We must _________ our school ____ a beautiful garden.
8. 他在某方面像他的爸爸.
He _____ ______ his father _____ ______ ______.
9. 里面的化学物质产生电.
The chemicals ________ ___________.
connected tochangeinto looks like in a way produce electricityHomeworkWrite a passage about electricity
(about 60words)
The usage of electricity(电的用途).
If there is no electricity, what will our life look like?
(如果没有电,生活会如何?)
3. How to save electricity?
(我们应该如何节约用电?)