TEACHER: DANG DINH MINH LONG BINH SECONDARY SCHOOL BRAINSTORMING BRAINSTORMING TV Radio Refrigerator TV Radio Refrigerator Electrical appliances Fan Light Washing machine Tumble dryer Unit 7 Unit 7 : : SAVING ENERGY SAVING ENERGY P46: READ • In Western countries, electricity, gas and water are not In Western countries, electricity, gas and water are not luxuries luxuries but but necessities. necessities. Companies now realize that Companies now realize that consumers consumers want products that will not only work want products that will not only work effectively effectively , , but also save money. but also save money. • For most North American households, lighting For most North American households, lighting accounts for accounts for 10 percent to 15 percent of the electricity bill. 10 percent to 15 percent of the electricity bill. However, this amount can be reduced by replacing an However, this amount can be reduced by replacing an ordinary 100-watt light ordinary 100-watt light bulb bulb with an energy-saving bulb. with an energy-saving bulb. These bulbs use ¼ of the electricity of a standard bulbs and These bulbs use ¼ of the electricity of a standard bulbs and last eight times longer. Therefore consumers can save about last eight times longer. Therefore consumers can save about US$7 to US$21 per bulb. US$7 to US$21 per bulb. • In Europe, there is a labeling In Europe, there is a labeling scheme scheme for refrigerators, for refrigerators, freezers, washing machines and tumble dryers. The label freezers, washing machines and tumble dryers. The label tells the consumers how much energy tells the consumers how much energy efficiency efficiency each model each model has, compared with other appliances in the same category. has, compared with other appliances in the same category. • Ultimately Ultimately , these innovations will save money as well as , these innovations will save money as well as conserve the Earth’s resources. conserve the Earth’s resources. STATEMENTS STATEMENTS Check Check 1. In Western countries, gas is necessity. 1. In Western countries, gas is necessity. 2. Lighting accounts for 10% to 15% of the 2. Lighting accounts for 10% to 15% of the electricity bill in most North American electricity bill in most North American families. families. 3. Consumers can save 50USD per energy- 3. Consumers can save 50USD per energy- saving bulb. saving bulb. 4. The label tells the consumers how much 4. The label tells the consumers how much energy efficiency. energy efficiency. 5. These innovations won’t save any money. 5. These innovations won’t save any money. T F F T T T/F statements Which of the following is the best summary of the passage? Which of the following is the best summary of the passage? 1. Energy-saving bulbs should be used to save 1. Energy-saving bulbs should be used to save electricity. electricity. 2. In Western countries electricity, gas, and 2. In Western countries electricity, gas, and water are necessities. water are necessities. 3. North American and European countries 3. North American and European countries are interested in saving money and are interested in saving money and natural resources. natural resources. 4. Labeling schemes help save energy. 4. Labeling schemes help save energy. ANSWER THE QUESTIONS ANSWER THE QUESTIONS 1. What are Western consumers interested in? 1. What are Western consumers interested in? - - They are interested in products that will not only work effectively, They are interested in products that will not only work effectively, but also save money. but also save money. 2. What can we do to spend less on lighting? 2. What can we do to spend less on lighting? - We can use energy-saving bulbs instead of ordinary bulbs. - We can use energy-saving bulbs instead of ordinary bulbs. 3. Mrs. Jones uses only two ordinary bulbs and she pays US$8 for 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- lighting. How much will she pay if she uses two energy- savving bulbs instead? savving bulbs instead? - She will pay US$2. - She will pay US$2. 4. What is the purpose of the labeling scheme? 4. What is the purpose of the labeling scheme? - It helps the consumers know how much energy effeciency the - It helps the consumers know how much energy effeciency the appliances are. appliances are. 5. Why should we save energy? 5. Why should we save energy? - Because we will save money and conserve the Earth’s resource - Because we will save money and conserve the Earth’s resource Tháp Rùa tại Hà Nội tắt đèn trong Giờ Trái Đất của tác giả Tháp Rùa tại Hà Nội tắt đèn trong Giờ Trái Đất của tác giả Bùi Hoàng Hải Bùi Hoàng Hải Giờ Trái đất: Hội An tắt điện, “bật” đèn lồng Giờ Trái đất: Hội An tắt điện, “bật” đèn lồng • Discuss: What should we do to save money and natural resources ? More ideas: - Use solar energy instead of coal , gas and oil . - Use energy – saving household appliances like bulbs , refrigerators , stoves , cookers … - Reduce the amount of water and electricity we use . - Turn off the faucets , the TV or radio when we do not use them … . appliances Fan Light Washing machine Tumble dryer Unit 7 Unit 7 : : SAVING ENERGY SAVING ENERGY P46: READ • In Western countries, electricity, gas and water are not In Western countries, electricity,