Bài giảng Stem Tiếng Anh Lớp 9 - Unit 7: Saving energy

Nội dung text: Bài giảng Stem Tiếng Anh Lớp 9 - Unit 7: Saving energy

1. Period 45: READ
2. *Matching: A B - consumer (n) bóng đèn tròn - bulb (n) người tiêu dùng - scheme(n) dán nhãn - to) account for kế hoạch - (to) conserve bảo tồn - (to) label chiếm - innovation(n) loại, hạng - category(n) sự sáng chế - luxury (n) năng suất - efficiency (n) xa xỉ
3. II.Reading *True(T) or false(F) statement prediction. 1.In Western countries electricity,gas are necessaries. T 2.Lighting accounts for 10 percent to 15 percent of the electricity bill in most of North American families. T 3.Consumers can save US$5 per energy-saving bulb. F Because they can save about US$7 to US$21 per bulb. 4.The lable tells the consumers how much energy efficiency each model has. T 5.These innovations won’t save any money. F Because these innovations will save money.
4. *Which of the following is the best summary of the passage? 1. Energy-saving bulbs should be use to save electricity. 2. In Western countries electricity, gas, and water are necessaries. 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.
5. *Comprehension questions: 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 spend less on lighting by using energy -saving bulbs. 3. Mrs. Jones uses only 2 ordinary bulbs and she pays US$8 for lighting. How much will she pay if she uses 2 energy-saving bulbs instead? We will pay 2 dollars. 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 in order to save money and energy 5. Why should we save energy? Because we will save money and conserve the Earth’s resources
6. Lucky number. 1 2 3 4 5 6 7 8
7. *Discussion: What should we do to save electricity and natural resources ?
8. - Learn new words by heart. - Answer the questions 5b again - Prepare: Write + LF 2 .
9. 1. What are Western consumers interested in? They are interested in products that will not only work effectively but also save money .
10. 3. What is the purpose of the labeling scheme? The purpose of the labeling scheme is to tell the consumers how energy efficiency each model has
11. Lucky number
12. 2. What can we do to spend less on lighting? We can replace an ordinary 100 watt light bulbs by using saving-energy bulbs .
13. Lucky number
14. 5. Why should we save energy? Because we can save money as well as conserve the resources.
15. 4. Mrs. Jones uses only 2 ordinary bulbs and she pays US$8 for lighting. How much will she pay if she uses 2 energy-saving bulbs instead? She will pay US$ 2 .
16. Lucky number
17. *Discuss: What should we do to save money and natural resources ?
18. True or false statement 1. In Western countries,electricity is necessity. 2. Lighting account for 10 percent to 15 percent of the electricity bill in most North America. 3.Consumers can save 50USD per energy-saving bulb. 4.The label tells the consumers how much energy efficiency each model has. 5.These innovation won’t save any money.
19. 3. Choose 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 helps save energy.
20. Comprehension questions: 1. What are Western consumers interested in? They 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 replace an ordinary 100 watt light bulbs by using saving-energy bulbs . 3. What is the purpose of the labeling scheme? The purpose of the labeling scheme is to tell the consumer how energy efficiency each model has. 4. Mrs. Jones uses only 2 ordinary bulbs and she pays US$8 for lighting. How much will she pay if she uses 2 energy-saving bulbs? She will pay US$ 2. 5. Why should we save energy? Because we can save money as well as conserve the resources.