牛津版 (深圳&广州)七年级下册（2012秋审查）Unit 6 Electricity授课课件ppt

这是一份牛津版 (深圳&广州)七年级下册（2012秋审查）Unit 6 Electricity授课课件ppt，共43页。PPT课件主要包含了Objectives，Focus on，energy，wires，heating，lighting，power，wind power，- 16，cable等内容，欢迎下载使用。
T learn the passage abut electricity.2. T learn sme ways f prducing electricity.3. T learn sme key wrds and useful expressins.
Wrds:electricity cnversatin ruleanyne reply flish wirecnnect mment battery
Expressins:a packet f in a way be cnnected t pwer statin a mment later
Pattern:I am ging t buy a packet f sweets.
Brainstrming
washing machine
What is electricity?Shall we talk abut sme ways f prducing electricity?
What d yu knw abut electricity?
Electricity is a frm f ______ that can be carried by _____ and is used fr _______ and ________, and t prvide ______fr machines.
What is electricity?
Ways f prducing electricity
thermal pwer
nuclear pwer
A What d yu knw abut
There are different ways f prducingelectricity. Write the crrect wrds in the blanks.
___________
Lk at the phts and the title f the stry n page 73. Then answer the questins belw.
B Befre yu read
She bught sme batteries./Sme batteries.
身边的电一天晚上，黛西说，“我打算去买包糖果，有没有人想要带东西？”班尼，黛西的哥哥回答到：“你能不能给我带包电？”“好的，可以。”黛西说。然后她就走了出去。班尼笑了，“她不可能像买糖果一样买电！她看上去好蠢。”妈妈说：“不要这么说，班尼！”“关于电你知道多少，班尼？”爸爸问。“电给了我们能量。它通过电线流动。在某种程度上就像水。 ”班尼说。“没错！电通过细细的电线进入我们的平板电脑。它们连接着街道下面的电缆。”爸爸补充道。“那电缆连接着什么？”班尼问到。“电缆连接到电站。”爸爸回答说。过了一会儿，黛西回来了。“有我要的一包电吗？”班尼问。“给你！”黛西说。“但是这些是电池啊！”班尼说。“黛西没有错，”爸爸说。“电池里面的化学物质能产生电能。”妈妈说：“现在谁看起来蠢啊，班尼？”
Part 1 (Paragraphs ____ ): Daisy is ging t the shp, and Benny tries t trick her by asking her t buy a packet f electricity fr him. Daisy agrees and Benny thinks she is flish.
Part 2 (Paragraphs _____ ): Benny explains that electricity cmes thrugh wires. His dad explains that peple get electricity frm the pwer statin thrugh wires and cables.
Part 3 (Paragraphs ______ ): Daisy returns with sme batteries, the packets f electricity Benny asked fr. Benny is surprised and nw it is Benny wh lks flish.
Read and divide the article int three parts accrding t the main ideas. 
( ) 1. Daisy was ging t buy a packet f sweets. ( ) 2. Benny didn’t reply t his sister because he wanted nthing.( ) 3. Benny didn’t think Daisy culd buy electricity in packets like sweets.( ) 4. Benny wanted t make Daisy lk flish.( ) 5. Mum was happy abut that.
Judge True r False accrding t part1.
Benny asked Daisy t get him a packet f electricity.
Mum was unhappy and she asked Benny nt t say that.
1. Hw des electricity cme int ur flats?2. What is it like?3. What are the wires cnnected t?4. What are the cables cnnected t?5. What des electricity give us?
Electricity cmes int ur flat thrugh thin wires.
It’s like water, in a way.
The wires are cnnected t cables under the street.
They are cnnected t a pwer statin.
It gives us pwer.
Answer the fllwing questins accrding t part2.
The pictures belw shw electricitygets t Benny’s flat. Fill in the blanks with the crrect wrds frm the bx.
cable pwer statin wire
pwer statin
_____________________
At first, electricity is _________ in a _____________.
Then, it _____________ under the street.
Next, it ________ ur flat thrugh _________.
Finally, it ___________ light energy in light bulbs.
The jurney f electricity
travels in cables
changes int
Fill in the blanks and retell.
1. What did Daisy buy?2. Was she right? 3. Why?
Batteries.
Yes, she was.
Because the chemicals inside batteries prduce electricity.
Answer the fllwing questins accrding t part3.
D1 Find these sentences in the stry n page 73. Then write the name f the persn r thing that each prnun in italics refers t.
Electricity
D Cmprehensin
D3 Wh lks flish in the end? Why? Discuss with yur classmates.
Benny lks flish in the end. He thught Daisy didn’t knw what a packet f electricity was. He wanted t make fun f her. Hwever, Daisy came back with a packet f batteries. The chemicals inside batteries prduce electricity. S he had n reasn t make fun f Daisy. Instead, his mther made fun f him.
Benny sht himself in the ft.
Grup discussin: Wh lks flish?
pay attentin t the underlined wrds and expressins.
Translate the fllwing phrases int English.
1)一袋2)袋装的3)流经4)某种程度上5)连接到6)发电站7)过了一会儿8)回来9)发电
a packet fin packetsflw thrughin a waybe cnnected t pwer statina mment latercme backprduce electricity
Dear Daisy, I am really srry. When I asked yu t buy _______________________, I just wanted t make yu lk ______. Because I thught yu culdn’t buy electricity _________ like sweets. Electricity is like water, __________. It cmes int ur flat thrugh _____, and these wires are cnnected t the cables frm a _____________. It gives us pwer. Yu bught ________, and I have t say that yu really did buy a packet f electricity because the __________ inside the batteries _________ electricity. Yurs, Benny
a packet f electricity
Benny is srry abut hw he treated his sister. He is nw ging t send a card f aplgy t Daisy. Fill in the blanks f his card.
the electricity went ff suddenly…
POWER CUT ？
POWER FAILURE？
As the family were laughing ludly,
It was nt pwer failure. I turned the lights ff.
Tday is a special day. D yu knw abut Earth Hur?
Many peple frm all ver the wrld turn their lights ff fr ne hur during Earth Hur (The last Saturday f March every year).
What d peple d during Earth Hur?
Activity 1:Watch and think!
After listening t Dad’s intrductin f Earth hur, the whle family realized （意识到):
Electricity is __________.S we shuld _______it.
Later, Benny wanted t d smething t make up (弥补) his “flishness” and t prtect ur Earth.
He decided t start frm himself and his family…
Help Benny make sme family rules fr saving electricity.
Activity 2: Pair wrk
What else can we d t save electricity?
We must ________________________________________________
turn ff the air cnditiner when we leave the rm.
clse the fridge after we take smething ut f it.
We must nt __________________________________________
We must nt ________________________________________________
leave the rm with the lights n.
pen the windws when we are using the air cnditiner.
Withut electricity, the air wuld rt.失去了电，空气也会变得污浊不堪。 ---Ralph Wald Emersn 拉尔夫·沃尔多·爱默生
Language pints
1) be ging t 表示将来打算、计划去做的事。
1. I am ging t buy a packet f sweets.
①I am ging t Canada.我将要去加拿大。②He is ging t Beijing by train.他将坐火车到北京去。③We are ging t swim.我们打算去游泳。
2) a packet f 一包，一捆
①I help my mther buy a packet f salt.我帮我妈妈买了一袋盐。②He gave me a packet f tea. 他给了我一包茶叶。③My mther gave me a packet f biscuits. 妈妈给了我一包饼干。
①I am writing t reply t /answer yur questins.特此函复贵方提问。②He failed t reply t my questin.他没能回答我的问题。③Has Ian replied t yur letter yet?Ian 给你回信了吗？④She nly replied with a smile.她只是报以微笑。
reply t 意为“回复某人/某事”
reply with 意为“以……回复”
2. Benny, Daisy’ s brther, replied, “Can yu get me a packet f electricity?”
1)reply 是动词，意思是“回答；答复”，同义词为answer。
1. 他从来没给我回过信。He never ___________ any f my letters.选出可以替换划线部分的最佳选项。2. “I didn’t want t attend the meeting,” she replied. A. returned B. asked C. answered
2) get sb. sth. 意思是“给某人带某物”。也可说成get sth. fr sb.。
改写同义句。每空一词。
1. Can yu get me sme salt? = Can yu ___________________?
get sme salt fr me
My father gt me a packet f chclate last week. 上周我父亲给我带了一袋巧克力。
①This railway cnnects Lndn and Edinburgh. 这条铁路连接伦敦与爱丁堡。 ②Her cmputer is cnnected t the Internet. 她的电脑连上互联网了。
3. These are cnnected t cables under the street.
cnnect 是动词，意思是“(使)连接”。be cnnected t 意为“连接到……”，是cnnect … t …的被动形式。
1)这位母亲看上去很伤心。The mther lks sad. 2)你看起来很忧虑。怎么了？Yu lk very wrried. What’s wrng?
4. She’ll lk flish.
lk 在这里为连系动词，意为“看起来好像；似乎；显得”，flish 在句中作lk的表语。
①The melted(融化的) snw flwed frm the muntain t the nearest river.融化的冰雪从山上流向了最近的河流里。②Many shrt rivers flw int the Pacific Ocean.许多小河汇入太平洋。
5. It flws thrugh wires.
①I agree with him in a way. Sme f his pints are right.在某种程度上我赞同他。他的有些观点还是正确的。②The wrk is well dne in a way. 从某种程度上说, 这工作做得不错。
in a way 在某种程度上
6. Electricity is like water, in a way.
Ⅰ. 根据句意，从方框中选择适当的单词并用其正确形式填空。
1. I dn’t think yu shuld tell him the news at the ________.2. The new railway will ________ the tw cities tgether.3. There were five _______ f salt in the kitchen at first.4. I wrte many letters t Ruth several weeks ag, but she never ________.5. When Alice came hme frm the schl trip,she ________ very tired.
reply cnnect packet mment lk