(共35张PPT)
Unit 6 Electricity
Reading
牛津深圳版七年级下册
Where does the boy’s energy come from
It comes from food.
What about the robot
Its energy comes from electricity.
What is energy
It gives power to make people or things work.
Where does Lo’s energy come from
Electricity.
1
课堂导入
Let’s talk about the picture!
In our daily lives, what kinds of things needs electricity
power station
make electricity
wire
light bulb
Do you know how electricity comes to our homes
wire
cable
power station
Ways of producing electricity
wind power
水能
water power
风能
核能
nuclear power
太阳能
solar power
A. What do you know about ...
There are different ways of producing electricity. Write the correct words in the blanks.
wind power
water power
solar power
2
课堂活动
solar power water power wind power
B Before you read
What did the girl buy
She bought batteries.
2 What do you think the story ay be about Tick ( ) the possible answers.
a Where electricity comes from.
b What electricity is like.
c What we use electricity for.
d How we can use electricity safely.
√
√
√
Look at the photos and the title of the story on page 73. Then answer the questions below.
Reading
Electricity all around
One evening, Daisy said, “I’m going to buy a packet of sweets. Does anyone want anything ”
Benny, Daisy’s brother, replied, “Can you get me a packet of electricity ”
“Yes, I can, ” said Daisy. Then she went out. Benny laughed, “She can’t buy electricity in packets like sweets! She’ll look foolish.”
Mum said, “You mustn’t say that, Benny!”
“What do you know about electricity, Benny ” Dad asked.
“Electricity gives us power. It flows through wires. It’s like water, in a way,” said Benny.
“You’re right! Electricity comes into our flat through thin wires. These are connected to cables under the street,” Dad added.
“What are the cables connected to ” asked Benny.
“They’re connected to a power station,” answered Dad.
A moment later, Daisy came back.
“May I have my packet of electricity ” Benny asked.
“Here you are!” said Daisy.
“But … these are batteries!” said Benny.
“Daisy’s right,” said Dad. “The chemicals inside batteries produce electricity.” Mum said, “Who looks foolish now, Benny ”
( ) Daisy was going to buy a packet of sweets.
( ) Benny didn’t reply to his sister because he wanted nothing.
( ) Benny didn’t think Daisy could buy electricity in packets
like sweets.
( ) Benny wanted to make Daisy look foolish.
( ) Mum was happy about that.
Read the first part of the text, tell whether the following statements are true or false. Correct the statement if it’s false.
T
T
T
F
F
Mum was unhappy and she asked Benny not to say that.
Benny asked Daisy to get him a packet of electricity.
2. According to the second part, answer the following questions.
How does electricity come into our flats
Electricity comes into our flat through thin wires.
What is it like
It’s like water, in a way.
What are the wires connected to
They are connected to cables under the street.
What are the cables connected to
They are connected to a power station.
What does electricity give us
It gives us power.
What did Daisy buy
Was she right
Why
Batteries.
Yes, she was.
Because the chemicals inside batteries produce electricity.
According to the third part, answer the following questions.
Work in groups. Discuss how electricity comes into our plete the flow chart.
Electricity is produced in a power station.
Electricity travels in cables under the street.
Electricity comes into our flat through thin wires.
Electricity changes into light energy in light bulbs.
The words in italics are from the story on page 73. Circle the correct answers to complete the sentences.
If you reply to a question, you ____ it.
A. ask B. answer
2. A foolish person usually does _____ things.
A. harmful B. silly
C1
3. When my computer is connected to the Internet, the Internet ___
my computer and the other computers in the world together.
A. joins B. carries
4. If you ask someone to wait for a moment, you will come back in __
A. a long time B. a short time
5. Batteries provide toy cars with _____ .
A. electricity B. heat
Electricity is like water,(1) _________. It flows from the (2)___________ to our homes.
The lights, TVs and computers in our homes are (3)___________ the power station through (4) ______.
Electricity is very important to us. We need it at home, at work and in school. Could (5)________ live in a world without electricity
in a way
power station
connected to
wires
anyone
Complete the passage below with words from the box.
anyone connected to in a way power station wires
C2
复合名词
compound nouns
Power station is a compound noun. We may guess the meaning of a compound noun by looking at the two nouns. See more examples below:
bath + room = bathroom
living + room = living room
Strategy
1. I’ m going to buy a packet of sweets. (lines 1-2) _____
2. Can you get me a packet of electricity, please (lines 4-5) _____
3. She’ll look foolish. (line 8) _____
4. It’s like water, in a way. (lines 11-12) ________
5. They're connected to a power station. (lines 16) ________
Find these sentences in the story on P73. Then write the name of the person or thing that each pronoun in italics refers to.
Daisy
Electricity
Benny
Daisy
Cables
Comprehension
D1
How does electricity get to Benny’s flat Choose the correct words in the box to label the diagram(图解) below.
wire
cable
power station
cable power station wire
D2
Who looks foolish in the end Why Discuss this with your classmates.
Possible answer
Benny looks foolish in the end. He thought Daisy didn’t know what a packet of electricity was. He wanted to make fun of her. However, Daisy came back with a packet of batteries. The chemicals inside batteries produce electricity. So he had no reason to make fun of Daisy. Instead, his mother made fun of him.
D3
1. conversation n. 谈话
have a conversation (with sb)(和某人)谈话
You will have a short conversation with our teacher in English before class.
上课前我们会用英语和我们的老师进行简短的交谈。
Language points
2. a packet of sweets 一袋糖果
①a packet of 一袋
Can you get me a packet of salt
你能替我买一袋盐吗?
1. 选择最佳答案填空。
( )The song sounds ____.
A. beauty B. beautiful C. beautifully D. more beautifully
2. 根据中文意思完成句子。
这种布料摸上去很柔软。This kind of cloth ____ ____.
B
feels soft
2. She’ll look foolish. 她将会看上去很傻。
①look 在此意为“看起来;显得;似乎”,作连系动词,后常接形容
词。如:Your daughter looks very beautiful.你女儿看起来很漂亮。
与look用法相同的连系动词还有:sound 意为“听起来”,smell 意为
“闻起来”,taste 意为“尝起来”和feel 意为“摸起来;感觉”。
将下列句子翻译成英文。
1. 关于地球你知道些什么?
What do you know about the earth
2. 这位外国人对我们的国家有哪些了解呢?
What does the foreigner know about our country
3. What do you know about electricity, Benny
本尼,关于电你知道些什么呢?
What does sb know about ...
关于……某人知道些什么about后面接名词或动词 ing形式。
由way构成的短语有很多,我们学过的还有:
by the way 顺便问问;顺便说一声
on the / one’s way to ... 在去……的路上
in no way 决不
4. It’s like water, in a way.从某种程度上讲,它就像水一样。
in a way 意为“在某种程度上”,常置于句首或句末,作状语。如:
In a way, he is right.在某种程度上,他是对的。
5. These are connected to cables under the street.
它们与接到下面的电缆相连接。
①connect v.(使)连接
(be) connected to 连接到
connect sth to/with… 把……和……连接起来
Mobile phones can be connected to computers.
手机可以连接到电脑上。
The railway line connects Guangzhou to Wuhan.
这条铁路线连接广州和武汉。
3
课堂小结
1.We have read a story about electricity in a flat.
2. We have grasped the new words and expressions in the reading.
I. 根据句意及所给单词的首字母写出所缺单词,注意其形式。
1. It’s against the school r______ to smoke.
2. Is there a ______________ in the classroom
3. Water flows through pipes and electricity flows through w______ .
ules
nyone / anybody
ires
4. It’s f______ of you to lend so much money to him.
5. The new express highways are c ________ to Panyu, Huadu,
Conghua and Zengcheng.
6. I need to change the b______________ in the mobile phone.
oolish
onnected
attery / batteries
4
课堂训练
II. 选择最佳答案填空。
( )1. Even though he was disabled , he can do many things
____ swimming, writing and reading.
A. as B. for example C. that is D. like
D
( )2. He didn’t say ____.
A. anything B. something C. nothing D. some thing
( )3. Nancy’s father ____ young and Tony ____ his father.
A. looks, looks B. looks, looks like
C. looks like, looks D. looks like, looks like
A
B
( )4. He didn’t say a word, but ____ a smile.
A. replied to B. replied with C. replied D. replies to
B
谢谢
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