Unit 7. Saving energy

Welcome to our class
save energy
asve eenygr
How can we save energy ?
I think we should….
How can Western countries and other countries save energy ?
Unit 7: Saving energy
Sản phẩm
1.product (n)
2.consumer (n)
NEW WORDS
4.label(n)
3.bulb(n)
5. Scheme (n)
6. efficiency(n)
7.appliance(n)
8.category(n)
9.innovation(n)
Bóng đèn
Người tiêu dùng
Nhản hàng
Hiệu quả
Kế hoạch
Thiết bị
Loại
Đổi mới
Europe
Western countries
Choose the best answer
Consumers want …..that will not only work effectively,
but also save money
2. In North America lighting accounts for …of
the electricity bill
3.An energy –saving bulb uses….of the electricity
of a standard bulb
4.The synonym of the word”Utimately” is…
A. bulbs
C.products
B. lamps
A. 10% to 15%
B. 20%
C. 50%
A. 1/2
B. 1/4
C. 1/3
A. Firstly
C. Secondly
B. Finally
Số lượng
1.luxury (n)
2.To realize
4.To replace
3.Amount (n)
5. Tumble dryer
6. To conserve
Xa xí phẩm
Thay thế
Nhận ra
Bảo tồn
Máy xấy
READ AND FIND THE MEANINGS OF THE WORDS
Energy –saving bulbs should be used to save energy.
In Western countries, electricity, gas and water are necessities.
North American and European countries are interested in saving money and natural resources.
Labeling schemes help save energy.
READ- CHOOSE THE BEST SUMMARY:
In Western countries, 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.
For most North American households, lighting accounts for 10 percent to 15 percent of the electricity bill. However, this amount can be reduced by replacing an ordinary 100-watt light bulb with an energy-saving bulb.

These bulbs use a ¼ of the electricity of a standard bulbs and last eight times longer. Therefore consumers can save about US$7 to US$21 per bulb.
In Europe, there is a labeling scheme for refrigerators, freezers, washing machines and tumble dryers. The label tells the consumers how much energy efficiency 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.
READ- CHOOSE THE BEST SUMMARY:
1.Energy –saving bulbs should be used to save energy.
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 help save energy.
a)In Western countries, 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.
What are Western consumers interested in?
- They are interested in products that will not only work effectively , but also save money.
READ-ANSWER THE QUESTIONS:
b) For most North American households, lighting accounts for 10 percent to 15 percent of the electricity bill.
However, this amount can be reduced by replacing an ordinary 100-watt light bulb with an energy-saving bulb. These bulbs use ¼ of the electricity of a standard bulbs and last eight times longer.
Therefore consumers can save about US$7 to US$21 per bulb.
2. What can you do to spend less on lighting?
We can use energy-saving bulbs.
3. Mrs Jones uses only two ordinary bulbs and she pays US $ 8 for lightening. How much will she pay if she uses two energy-saving bulbs instead ?
- She will pay US$ 2.
READ-ANSWER THE QUESTIONS:
c) In Europe, there is a labeling scheme for refrigerators, freezers, washing machines and tumble dryers. The label tells the consumers how much energy efficiency each model has, compared with other appliances in the same category.
d) Ultimately, these innovations will save money as well as conserve the Earth’s resources.
4. What is the purpose of the labeling scheme?
The label tells the consumers how much energy efficiency each model has, compared with other appliances in the same category.

5. Why should we save energy?
- Because by saving energy, we can save money, conserve the Earth’s resources.
READ-ANSWER THE QUESTIONS:
1 They are interested in products that will not only work effectively , but also save money.
2We can use energy-saving bulbs.

3. She will pay US$ 2.

4.The label tells the consumers how much energy efficiency each model has, compared with other appliances in the same category.

5- Because by saving energy, we can save money, conserve the Earth’s resources.
Answer
COMPLETE THE SUMMARY:
North American and European countries are interested in saving money and natural resources. In Western countries, (1)..
want products that work (2)… and save money. In North American countries, people replace an ordinary bulb with an (3)
………-…….. bulb. In Europe, the label tells the consumers how much energy (4)…………….. each model has. In conclusion, they want to save energy, save money and (5)…………….. the Earth’s resources.
consumers
effectively
energy- saving
efficiency
conserve
@ Homework :
- Learn the new words
- Answer the questions /p.61 again
- Prepare listen
Good bye