Bài giảng Tiếng Anh 9 - Period 44, Unit 7: Saving energy - Năm học 2021-2022

 Tueesday, February 15th, 2022
Unit 7: SAVING ENERGY
 Period 44: READ Unit 7: Saving energy
 Period 44th : READ
 * Vocabulary
 - Consumer (n): Người tiờu dựng
 Chiếm
 - Energy-saving (adj) Tiết kiệm năng lượng
 an energyenergy--savingsaving
 - Bulb (n) Búng điện
 Loại, hạng bulb
 - Label (n/v): Nhón / dỏn nhón
 - Innovation (n): Cụng cuộc đổi mới
 - Conserve (v): Save (v)
 an ordinary
Mr.We Sau should has to turn pay off 94,000 the lightsVND for and the television elecrticity to bill save and waterelectricity. bill. 
Therefore, we can conserve bulbbulbnaturalLabel resources (n/v):
 TheseThe two water bulbs bill are accounts the same for category50 % of the. two. bills.
 - Account for (v): - Category (n): 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 quarter of the electricity of 
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. Unit 7: Saving energy
 Period 44th : READ
 Guess After 
*True or False? Check (v) the boxes. Then reading
correct the false sentences and write them 
in your exercise book T
 1. Electricity, gas, and water are 
 necessities in Western countries.
 a quarter F
2. An energy-saving bulb uses half of 
the electricity of a standard bulb. T
3. In Europe, there is a labeling scheme 
for some household appliances.
 can
4. We can’t conserve natural F
resources by saving energy. 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 quarter of the electricity of 
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. Unit 7: Saving energy
 Period 44th : READ
a) Which of the following is the best summary of the 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 help save energy.
?What should Vietnamese people do to save money 
and natural resources ? 3- Answer these questions. Write the answer in your exercise book.
 1. What are Western consumers interested in?
 -> They are interested in products that will not only 
 work effectively but also save moneys.
 2. What can we do to spend less on lighting?
 -> We can replace ordinary 100 watt light bulbs with 
 energy-saving bulbs.
 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.
 4. What is the purpose of labeling schemes?
 -> The labeling scheme tells the consumers how much 
 energy efficiency each model has, compared with other 
 appliances in the same category.
 5. Why should we save energy?
 -> We should save energy to save money and conserve /save our 
 natural resources. We / use solar energy instead / electricity.
 We should use solar energy instead of electricity. We / turn / the fan when noboby uses.
We should turn off the fan when nobody uses. We /use energy - saving bulbs instead of /bulbs.
We should use energy - saving bulbs instead of 
ordinary bulbs. Electricity accounts for energy-saving category
 1. ., gas and water are not luxuries 
 in Western countries.
2. People now use bulbs to save money.
3. The water bill .... 5% of his salary.
4. A Vietnamese - English dictionary and an English –
 Vietnamese one are the same . Consolidation
 *Vocabulary: 
1. consumer (n) : Ngời tiêu dùng
2. account for (v): Chiếm
3. energy- saving (adj): Tiết kiệm năng lượng
4. bulb (n) : Bóng đèn tròn
5. category (n): Loại, hạng
6. label (v/n): Dán nhãn mác
7. innovation (n): Sự đổi mới
8. conserve (v): Save (v)
 *Saving energy: 
-We should use solar energy instead of electricity.
-We should use energy - saving bulbs instead of ordinary bulbs.
- We should turn off the appliances when nobody uses.
- HOMEWORK
• - Learn new words by heart.
• - Read the passage then answer the 
 questions again. 
• - Prepare for “Language focus 1,2”. Th
 an
 k
 f
 o
 r
 Good bye!
 y
 o
 u
 r
 a
 t
 t
 e
 n
 t
 i
 o
 n
 !