Unit 11 Electricity around us 课件 2023-2024学年牛津上海版英语七年级下册

3 The natural elements 11 U11 Electricity * Reading: Electricity around us Enjoy a song What is the song about? lyric electricity / lek tr s t / explanation for the song [ la tn ] When do we see electricity? explanation for the song Who first found electricity? How did he find it? explanation for the song We can't use lightening in the same way as Franklin, can we? Why not? explanation for the song Then how could people in the past make electricity? They could boil some water, make some steam and drive a big machine. What carries the wire to our home? explanation for the song / pa l n/ Where does electricity go to in our homes? explanation for the song Read aloud Where else can we find electricity? / lek tr s ti/ What kind of electrical appliances do you know? Brainstorming electric kettle electric cooker ? ? ? ? ? ? ? ? ? electrical appliances S1: What electrical appliances do people use at home? S2: They use … at home. S1: What electrical appliances do people use at school? S3: They use … at school. S1: What electrical appliances do people use in an office? S4: They use … in an office. A survey Find out about the uses of electrical appliances in different places. With a classmate, talk about them. 1 2 S1: What do we/people use _ to do at home? at school? in an office? S2: We/People use _ to … at home. at school. in an office. How i_ the electricity is! mportant • lamps • lights • air conditioners • TV sets • electric kettles • fridges • heaters • rice cookers • irons • microwaves • vacuum cleaners • CD players • DVD players • printers • washing machines • computers In groups, discuss why electricity is important. Then write a report. A report: More additional information 1 2 3 4 _ _ _ _ _ _ Electricity lights streets and buildings. Electricity heats food in cookers. Electricity drives trains. Electricity makes computers work. Electricity powers the underground. Electricity makes fans and air conditioners work in summer. 1 2 3 4 5 6 Work in pairs and discuss what