(
课件网) Unit 6 Electricity everywhere 主题范畴： 人与自然；人与社会 主题群： 环境保护；科学与技术 子主题： 环境污染及原因，环保意识和行为；科学技术与工程，人类发明与创造 Key question What role does electricity play in our daily lives understand why electricity is important. explain different ways of producing electricity. observe safety rules for using electricity. talk about how to save electricity. Unit objectives 单元目标 I can: Lead in Do you know the environmental impact of thermal power generation Do you like living without electricity Johnny’s father is asking Johnny to make some rules for the family to follow. In pairs, help Johnny make four rules. Games: Home rules close / windows / when / air conditioner / on put / newspapers / near / heater remember to take / keys / when / go out touch / TV / wet hands Pre-writing We must: close the windows when the air conditioner is on; _____ remember to take the keys when we go out. We must not: 1 _____ 2 _____ put the newspapers near the heater; touch TV with the wet hands. Home rules close / windows / when / air conditioner / on put / newspapers / near / heater remember to take / keys / when / go out touch / TV / wet hands broken / electrical appliances We must: _____ 4 _____ We must not: 3 _____ 4 _____ switch off the lights when we leave home; put our hand in the washing machine when it is on; keep the house clean. use broken electrical appliances. close / windows / when / air conditioner / on put / newspapers / near / heater remember to take / keys / when / go out touch / TV / wet hands broken / electrical appliances Writing rules for saving electricity at home n. 规则；条例 Look at the pictures. Discuss some dos and don’ts of using electricity at home. Then think of more rules. Dos Don’ts turn on the air conditioner when the window is open leave the fridge door open While-writing Now write your family’s rules for saving electricity. Step 1 Plan Organize your ideas. Use the examples in Exercise 1 to help you. We must We must not We must switch off the lights when we leave home turn off the computer when we are not using it Let the sun shine in and we don’t need to turn on the lights. Set air conditioners properly We must not turn on the air conditioner when the window is open leave the fridge door open use hot water for washing clothes when it is unnecessary Step 2 Write Make a list of rules for using electricity wisely at home. Remember to use modal verbs in your writing. Title: My family’s rules for saving electricity Body: Rules, including dos and don’t End: Call for saving electricity An Example Electricity is important in our daily lives. We must use electricity wisely at home. First, when we are not using the computer, we must turn it off. When we leave home, we must switch off the lights. Let the sun shine in and we don’t need to turn on the lights. You must set the air conditioner to a reasonable temperature. In summer, 26 ... ...
