Unit 7. Saving energy

Welcome to our class!
School year : 2009 - 2010
Teacher:Tran Thi Phuong Huong Tho Phu Secodary School
ENGLISH 9
Look at the pictures and make suggestions
I think we should go to school by bus.
I suggest turning off all the faucets right after using them.
Let’s turn off the TV, the cassette and the lights.
Answer the questions:
3. How can we reduce it?
1. How much is your family’s
electric bill?
2. Do you think it is enormous?
Lesson four: Read
Saturday, February 6th 2010
UNIT 7: SAVING ENERGY
Saturday, February 6th 2010
* New words:
UNIT 7: READ
- a consumer (n):
- a bulb (n):
- an energy-saving bulb (n):
bóng đèn tròn
bóng đèn tiết kiệm năng lượng
người tiêu dùng
- to account for :
chiếm, là yếu tố của.
- scheme (n) :
kế hoạch
- efficiency (n) :
hiệu suất cao, hiệu quả
- appliance (n) :
đồ gia dụng
- category (n) :
loại, hạng
Saturday, February 6th 2010
UNIT 7: READ
2. a consumer
1. a bulb
3. to account for
4. scheme
5. efficiency
6. appliance
7. category
* Matching:
e. bóng đèn tròn
g. người tiêu dùng
a. chiếm
b. đồ gia dụng
c. hiệu suất cao
f. kế hoạch
d. loại, hạng
Saturday, February 6th 2010
UNIT 7: READ
* Guessing: True or False?
Western consumers are interested in products that will not only work effectively but also save money.
An energy- saving bulb uses a quarter of the electricity of an ordinary bulb and lasts five times longer.
The purpose of the labeling scheme is to help consumers to know how efficent each model is, compared with other appliances in the same category so that they can save money and energy.
We shouldn’t save energy because the Earth will supply us its resources.
Saturday, February 6th 2010
UNIT 7: READ
* Answer key:
Western consumers are interested in products that will not only work effectively but also save money.
T
F
T
F
eight
five
the Earth will supply us its resources.
by saving energy we can conserve the Earth’s resources.
4. We shouldn’t save energy because
2. An energy- saving bulb uses a quarter of the electricity of an ordinary bulb and lasts times longer.
3. The purpose of the labeling scheme is to help consumers to know how efficent each model is, compared with other appliances in the same category so that they can save money and energy.
In Western contries, electricity, gas, and water are not luxuries but necessities. Companies now realize that consumers want products that will not only work effectively but also save money.
--- However, this amount can be reduced by replacing an ordinary 100-watt light bulb with an energy-saving bulb. These bulbs use a quarter of the electricity of standard bulbs and last eight times longer.
In Europe, there is a labeling scheme for refrigerators, freezers, washing machines and tumble dryers. The label tells the consumers how much energy efficency each model has, compared with other appliances in the same category.
Ultimately, these innovations will save money as well as conserve the Earth’s resources.
LUCKY NUMBER
LUCKY NUMBER
1
5
6
7
2
3
4
8
What are Western consumers interested in ?
Western consumers are interested in products that will not only work effectively but also save money.
Why should we save energy?
We should save energy because by saving energy we can conserve the Earth’s resources.
LUCKY NUMBER
What is the purpose of the labeling scheme?
The purpose of the labeling scheme is to help consumers to know how efficent each model is, compared with other appliances in the same category so that they can save money and energy.
Which of the following is the best summary passage?
1. Energy-saving bulbs should be used to save electricity.
2. In Western countries, electricity, gas, and water are necessities.
3. North American and European countries are interested in saving money and natural resources.
4. Labeling schemes helps save energy.
LUCKY NUMBER !
What can we do to spend less on lighting?
We can use energy-saving bulbs instead of ordinary 100 watt-light bulbs .
Mrs Jones uses only two ordinary bulbs and she pays US$ 8 for lighting.
How much will she pay if she uses two energy-saving bulbs instead?
She will pay US$ 2 for lighting if she uses energy-saving bulbs instead.
Homework
_ Learn by heart new words.
_ Read the passage many times.
_ Complete the exercises (a) & (b)
_ Prepare UNIT 7: WRITE
+
Homework
_ Learn by heart new words.
_ Read the passage many times.
_ Complete the exercises (a) & (b)
_ Prepare UNIT 7: WRITE
Thanks for your attention !
Goodbye