1 00:00:02,290 --> 00:00:06,190 8.71 2 00:00:06,190 --> 00:00:10,609 2. Look at the photos. 3 00:00:11,730 --> 00:00:14,250 What energy transformations can you see? 4 00:00:15,429 --> 00:00:17,670 Listen, then tell your partner. 5 00:00:19,829 --> 00:00:27,329 In photo A, wind turbines transform the mechanical energy of wind into electrical energy. 6 00:00:27,329 --> 00:00:37,729 In photo B, the chemical energy in food is transformed into mechanical energy 7 00:00:37,729 --> 00:00:47,289 In photo C of an electric guitar, electrical energy is transformed into sound energy 8 00:00:48,429 --> 00:00:57,210 In photo D of a street lamp, electrical energy is transformed into light energy 9 00:00:57,210 --> 00:01:07,230 In photo E of a radiator, chemical energy is transformed into thermal energy. 10 00:01:21,260 --> 00:01:22,200 Page 71. 11 00:01:23,420 --> 00:01:26,420 2. Look at the photos. 12 00:01:27,420 --> 00:01:30,260 What energy transformations can you see? 13 00:01:31,159 --> 00:01:33,659 Listen, then tell your partner. 14 00:01:33,659 --> 00:01:43,400 In photo A, wind turbines transform the mechanical energy of wind into electrical energy 15 00:01:43,400 --> 00:01:53,680 In photo B, the chemical energy in food is transformed into mechanical energy 16 00:01:53,680 --> 00:02:03,299 In photo C of an electric guitar, electrical energy is transformed into sound energy 17 00:02:03,299 --> 00:02:13,219 In photo D of a street lamp, electrical energy is transformed into light energy. 18 00:02:14,500 --> 00:02:23,169 In photo E of a radiator, chemical energy is transformed into thermal energy. 19 00:02:48,509 --> 00:02:56,800 Page 71. 20 00:02:57,599 --> 00:02:58,439 2. 21 00:02:59,759 --> 00:03:01,020 Look at the photos. 22 00:03:02,240 --> 00:03:04,860 What energy transformations can you see? 23 00:03:06,020 --> 00:03:08,259 Listen, then tell your partner. 24 00:03:10,419 --> 00:03:17,939 In photo A, wind turbines transform the mechanical energy of wind into electrical energy. 25 00:03:19,280 --> 00:03:28,280 In photo B, the chemical energy in food is transformed into mechanical energy. 26 00:03:29,759 --> 00:03:37,860 In photo C of an electric guitar, electrical energy is transformed into sound energy. 27 00:03:39,080 --> 00:03:47,840 In photo D of a street lamp, electrical energy is transformed into light energy. 28 00:03:50,000 --> 00:03:57,719 In photo E of a radiator, chemical energy is transformed into thermal energy. 29 00:03:57,719 --> 00:05:02,899 They transform the mechanical energy into electrical energy. 30 00:05:02,899 --> 00:05:09,899 D. The chemical energy, the food, transforms into mechanical energy. 31 00:05:09,899 --> 00:05:17,899 C. The electrical energy is transformed into sound energy. 32 00:05:17,899 --> 00:05:24,899 D. The electrical energy is transformed into light energy. 33 00:05:24,899 --> 00:05:32,899 And the last one in the radiators, which indeed was the street lamp. 34 00:05:32,899 --> 00:05:39,899 In E, we have the chemical energy transformed into thermal energy. 35 00:05:39,899 --> 00:05:57,350 At the book, and you're going to see it in the file. 36 00:05:57,350 --> 00:06:00,350 It's going to be interesting. 37 00:06:00,350 --> 00:06:08,860 All right.