Unit 7. Saving energy

Oral Test:
- Talk about solar energy, using the words given.
Solar energy/ cheap/ clean/ effective source of power/ not/ cause/ pollution/ waste/ natural resources// only one percent/ solar energy/ that/ get/ earth/ provide/ enough power/ world’s population// many countries/ already using/ solar energy// we hope/ VN/ have/ solar energy/ near future//
Completed passage:
Solar energy is cheap, clean and effective source of power that does not cause pollution or waste natural resources. Only one percent of solar energy that gets to the earth can provide enough power for world’s population. Many countries are already using solar energy. We hope VN will have solar energy in the near future.

Warm up: Look at the pictures and talk about what you should do to save energy.
Unit 7:
1. New words:
Saving Energy
READ
- Luxury:
Hàng xa xỉ
- Consumer:
Người tiêu dùng
- Ultimately=
Finally/ in the end:
- innovate:
đổi mới
- Conserve:
- Giữ gìn, bảo tồn
Cuối cùng
Eg: We can’t afford many luxuries
Innovation (n)
- to conserve the Earth’s resources
Matching:

Luxury: Người tiêu dùng
Innovation: Gìn giữ, bảo tồn
Ultimately: Hàng xa xỉ
Consumer: Sự đổi mới
Conserve: Cuối cùng
Ultimately: Hàng xa xỉ
2. Structure:
not only….. but also:
không những ……mà còn
3. Practice:
a. Which of the following is the best summary of the passage:
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 help save energy.
3. North American and European countries are interested in saving money and natural resources.

b. Answer the questions.
1. What are Western consumers interested in?
2. What can we do to spend less on lighting?
3. 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?
4. What is the purpose of the labeling scheme?
5. Why should we save energy?
1. What are Western consumers interested in?



Western consumers are interested in products that will not only work effectively, but also save money.
2. What can we do to spend less on lighting?
We can use energy-saving bulbs instead of ordinary 100 watt-light bulbs to spend less on lighting.
3. 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.
4. What is the purpose of the labeling scheme?
The purpose of the labeling scheme is to help consumers to know how efficient each model is, compared with other appliances in the same category so that they can save money and energy.
5. Why should we save energy?
Suggested answer: We should save energy because by saving energy we can conserve the Earth’s resources.
* Complete the summary:
North American and European countries are interested in saving money and natural(1)….………….. For most North American households,(2) ……........... accounts for 10 percent to 15 (3)……….... of electricity bill. However, this amount can be reduced by using (4) …………- saving bulbs.
In Europe, there is a (5) ……………scheme for electric appliances. The label tells the(6) ……............. how much energy (7) …………. each model has, compared with other ones in the same (8)………….
Ultimately, these (9)……………… will not only save money (10) …………. conserve the Earth’ resources.
resources
lighting
percent
energy
labeling
consumers
efficiency
category
innovations
but also
Game:
Look at the pictures, then do the crosswords
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(1)
(2)
Crosswords

1
G
A
S
2
F
A
3
T
E
L
E
V
4
E
L
E
T
O
R
B
I
K
E
6
L
I
G
H
T
I
7
S
H
O
W
9
L
I
10
B
I
C
U
C
E
T
I
S
I
O
N
C
T
R
I
C
F
A
N
O
M
5
N
G
F
I
X
T
U
R
E
E
R
A
D
I
O
G
H
T
Y
C
L
E
8
R
C
O
O
K
E
R
Homework:
Learn the new words, structures and the summary by heart.
Do exercises 5,6 (workbook).
Prepare WRITE. (Write a speech.)