Unit 6 第5课时 Section 4（同步课件）英语新教材沪教版七年级下册

Unit 6 Section 4 Focusing culture, Cross-curricular connection, Project 2024年沪教版 英语（七年级下） Electricity everywhere 1 课堂教学目的 1 2 新课导入 3 Content 课堂活动 5 课堂训练 6 课堂小结 4 课堂重难点 2 课堂教学目的 1 2 课堂重难点 1,了解“地球1小时”是什么，产生及意义，响应保护地球资源的号召。 2. 跨学科学习再生能源的知识（物理科学）。 3.结合本单元所学的知识，制作安全明智用电的海报。 文化意识 课堂重难点 思维品质 课堂教学目的 1.了解“地球1小时”的相关知识。 2.能够制作安全明智用电的海报。 热爱与敬畏自然，树立爱护电、养成节约用电的意识。 跨文化了解各国在节约用电方面的行动。懂得节约地球资源是全人类共同的行为准则。培养探究再生能源的意识。 3 Remember to turn off lights when you leave a room. Encourage your classmates to turn off classroom lights during breaks 新课导入 3 Electricity is very important in our daily life, how can we save energy? Unplug chargers when your devices are fully charged Use energy-efficient appliances. Keep the computer monitors turned off when not in use. Enhance（提高） awareness of saving electricity and actively take part in activities related to energy saving. For example: Earth Hour On the last Saturday night of March every year, people around the world turn their lights off for one hour. What is Earth Hour? The World Wildlife Fund (WWF) started Earth Hour in 2007 in Sydney, Australia. More than 2.2 million homes and businesses joined in. People from all over the world do the same on the last Saturday of March every year. In Chinese cities many landmark buildings turn off their lights for Earth Hour. 课堂活动 4 Focusing on culture How can we save energy in our daily lives? Think There are many ways to save electricity. Once a year, people take part in "earth hour" and turn off their lights for one hour. Let's learn more about this event. Earth Hour What is Earth Hour? On the last Saturday night of March every year, people around the world turn their lights off for one hour. They do this because they care about climate change. They are trying to show that small changes can make a great difference to our planet. How did it start? The World Wildlife Fund (WWF) started Earth Hour in 2007, in Sydney, Australia. More than 2.2 million homes and businesses joined in. Even the lights at the Sydney Opera House were out for an hour. This saved a lot of electricity. The same amount of electricity could power thousands of computers or television sets for an hour. When the lights were out, the stars were clearer in the sky. People in China liked this idea too. They started to take part in the event in 2008. Every year, many landmark buildings in Chinese cities turn off their lights for Earth Hour. What can you do? You can take part in Earth Hour next March. Find out the date and time of the event on the Earth Hour website. When the time comes, turn off your lights and enjoy your special hour in the dark. It will be even more fun if you ask your friends, family and classmates to join as well. 1.care about 2.make a great difference to 3.More than 4.join in 5.be out 6.take part in the event 7.in the dark 8. turn off 在文章中画出短语，并翻译 关心,担忧 对……产生极大影响 超过 加入,参加 熄灭 参加活动 在黑暗中 关闭 Earth Hour shows our commitment to saving energy and protecting our planet. The slogan for Earth Hour 2023 was "Give an Hour for Earth： “地球一小时”表明了我们对节约能源和保护地球的承诺。2023年 “地球一小时”的口号是“为地球献出一小时”. What (语篇的主体和内容) What is Earth Hour? When do people take part in Earth Hour?   Why do people take part in Earth Hour?   On the last Saturday night of March every year, Because they care about climate change. They are trying to show that small changes can make a great difference to our planet. Why（语篇传递的意义和价值） How did it start? Who started Earth Hour?   Which countries took part in the first Earth Hour? Countries Action         What can you do? Where can you find the date and time of the event?     What can you do during Earth Hour?     What is the author’s attitude towards Earth Hour?   The World Wildlife Fund (WWF) China many landmark buildings in Chinese cities turn off their lights on the Earth Hour website turn off your lights supportive. Read the article and answer the following questions. 1. When do people take part in Earth Hour? 3. What were the benefits of the first Earth Hour? People take part in Earth Hour on the last Saturday night of March every year. They do this to show they care about climate change. They are trying to show that small changes can make a great difference to our planet. 2. Why do they do it? It saved a lot of electricity. The same amount of electricity could power thousands of computers or television sets for an hour. 3 Complete the sentences with the words and phrases below. Change the form if necessary. power care about take part in amount climate change Language points 1.More than 2.2 million homes and businesses joined in. 超过220万家庭和企业加入了这一行列。 【详解】join in 动词加介词短语，意为“参加；加入”。通常指参加或加入某个活动、讨论、游戏等。 词条 含义及用法 take part in 一般指积极地参加大型的集体性的活动、集会等，并发挥一定作用。如： How many countries will take part in the World Cup?有多少个国家要参加世界杯？ Are you going to take part in the discussion? 你打算参加那个讨论吗？ join 指加入到某团体、组织或某些人中，并成为其中一员。 如：She joined a health club. 她参加了一个健身俱乐部。 We both joined the Labor Party. 我们俩都加入了工党。 join in                     意思为“参加”，后面接的宾语一般是表示竞赛、娱乐、游戏等活动的名词或v. -ing.  如：Can I join in the game?我可以参加这个游戏吗？ They all join in singing the song. 他们一起唱这首歌。 attend                     一般指参加、出席会议、报告等活动，不强调参加者在活动中所起的作用。 Our teacher attended the meeting yesterday. 我们老师昨天参加了那个会议。 I have promised to attend her wedding. 我已经答应她去参加她的婚礼了。 Notes Notes 2.It will be even more fun if you ask your friends, family and classmates to join as well.如果你邀请你的朋友、家人和同学加入，那会更有趣。 【详解】as well 意为“也”,常用于肯定句句末。 【拓展】辨析too, also, as well, either ① as well是副词短语，常位于句末，用于肯定句。 他也会说法语。He can speak French as well. ② also是副词，较正式，常位于be 动词、助动词或情态动词之后，行为动词之前，用于肯定句。 她也想去游泳。She also wants to go swimming. ③ too是副词，多用于口语，常位于句末，用于肯定句。 我也是一个初中生。 I’m a junior high school student too. ④ either是副词，位于句末，用于否定句。 他也不喜欢吃鱼。 He doesn’t like eating fish either. Notes Notes 3.rule rule 规则。名词。 This is the first rule of winning in any part of life. 这就是在生命任何阶段想要成功的第一规则。 Everyone must obey the rules. 人人都必须遵守规则。 Someone has seen you break the rule. 有人看见你违规了。 obey the rule(s) break the rule(s) be against the rule Notes Notes 4.power 动词：意为 “驱动；推动,给…动力”。 The engine powers the car. 发动机驱动汽车。 名词： power n. 能；能量。如： water power 水力 solar power太阳能 power n.力量、能力或权力 She has the ‌power‌ to influence people.她有影响他人的能力。 He has ‌power over‌ his employees.他对员工有控制权。 Notes Notes 【同根词】 (1)powerful adj. 强大的 He is a powerful man. 他是个强人。 (2)powerless adj. 无力量的 I am powerless to stop pollution on my own. 我无力独自阻止污染。 【辨析】power 与 energy power指力量、功率、电力或权利；energy指精力、能量。 May the Sun bring you new energy. 愿太阳带给你新的能量。 Exploring more Find out how much electricity you can save if your family / school take part in Earth Hour. Think about what it means to our planet and share your ideas with the class. Cross-curricular connection I Physical science People around the world mostly burn oil, gas or coal to produce energy. This causes two huge problems—pollution and global warming. Countries around the world have developed different kinds of renewable energy. Let’s see what they are. 1 Read the text about how different countries use renewable energy, and then match the paragraphs (A-E) with the pictures (1 -5). Notes Notes Renewable energy A The Three Gorges Dam is the biggest dam in the world. It took more than 10 years to build. China is the country that makes the most electricity from hydropower. B Some of the world's biggest wind turbines (涡轮机)are off the coast of Britain. Their blades (叶片) are bigger than the London Eye! One turn powers a house for around 29 hours! C One of the biggest solar farms in Australia is on a sheep farm. Thousands of solar panels make about 200 million hours of electricity a year. They also protect the sheep from sun and rain! D Iceland has a lot of volcanoes which produce hot water and air. So about 30% of the country's electricity comes from geothermal(地热的) energy. It's very cheap! E The USA grows the most biofuels(生物燃料) , usually corn. Most cars there can use 10% vegetable fuel mixed with oil. Many cars can just use biofuel. A B C D E Notes Notes 2 Discuss the questions below. What kinds of renewable energy are used in your area? What are the advantages of them? wind power water power solar power Water power stations make use of the energy of flowing water to generate electricity. One big advantage of water power is that it’s a clean source of energy. It doesn't produce harmful gases like coal - fired power plants, so it doesn't pollute the air. What’s more, it’s reliable. As long as there’s a steady water flow, we can count on a continuous supply of electricity. Notes Notes Solar energy is also popular. Solar panels are often seen on the rooftops of many houses. It’s extremely environmentally - friendly, as it doesn't create any pollution during operation. Another benefit is that it’s free once the solar panels are installed. It helps people save a lot on their electricity bills. Also, solar energy can be used in remote areas where it’s difficult to build power grids, bringing electricity to those places. Step 1 Discuss the questions in groups and gather ideas. • When and where do we need to use electricity? • Can we find new ways of producing electricity? • How can we use electricity wisely? Step 2 Work in groups. Discuss and decide on what to include in your poster about using electricity wisely. Here is an example. Project Making a poster about how to use electricity wisely How can we save electricity and make the Earth a better place? Work in groups and make a poster about wise ideas of using electricity. Notes Notes Step 3 Display all your posters on the classroom wall and vote for the best. You can refer to the following criteria. • creative and practical ideas • correct and clear language • logical presentation of ideas Wits corner There is no energy crisis, only a crisis of ignorance. —Richard Buckminster Fuller 智慧角 并没有能源危机，只有无知的危机。 —理查德•巴克敏斯特•富勒（美国建筑师） 课堂小结 5 1,了解“地球1小时”是什么，产生及意义，响应保护地球资源的号召。 2. 跨学科学习再生能源的知识（物理科学）。 3.结合本单元所学的知识，制作安全明智用电的海报。 课堂训练 6 一、根据汉语首字母提示完成单词。 1.For our s______, we should always fasten seatbelts when driving. 2.Read the ___________(说明书） carefully before you start the experiment. 3.Many people use social media to c_________ with friends and rule 4.We must follow the traffic r_____ to avoid accidents. 5.The polar bears are in danger because of the changing c_________. 6.You should reduce the a_________ of junk food you eat for better health. 7.Solar panels can p_______ the street lights, saving a lot of electricity. 8.You can find a lot of useful information on this educational ________(网址). 9.When you visit Beijing, the Forbidden City is a must-see__________(地标）. 10.We should save e________ by turning off lights when leaving a room. 11.The sky became c________ after the rain stopped, and we saw a beautiful rainbow. 12.The school sports e_________ is held every spring. safety instructions connect climate amount power landmark energy clear event website rules 二、用单词的适当形式填空。 1.The teacher gave clear_______( instruction) on how to write the composition. 2. Can you tell the _______(different) between the two pictures? 3. By comparing the two plans, I got a ___(clear) understanding of their advantages. 4. After a good night’s sleep, I feel _____(energy) and ready to start a new day. 5. The cheetah is a ______(power) animal. It can run at extremely high speeds. 6. She always turns off the lights to save energy before ______(leave) the room. 7. Students are trying ______(they) best to study for the English exam. 8. People are _____ a small _____ near the school. It will be a bookstore.(build) 9. Computers here are _______(connect) to a printer. The connection allows us to print homework fast. 10. The farm _________fresh milk. The _______sells it to local stores every morning. (produce) instructions difference clearer energetic powerful leaving their building building connected produces producer 三、完成句子 1. 我既喜欢读书也喜欢运动。 I enjoy reading books and playing sports _____ _______. 2. 她通过节约用水来关心环境。 She ______ _________the environment by saving water. 3. 气候变化影响我们的星球，所以我们应该现在采取行动。 _____ _______ affects our planet, so we should _____ _______now. 4. 上周，我和朋友们一起参加了社区清洁活动。 I ____ ______ _____a community clean-up event with my friends last week. 5.学生们经常在养老院进行志愿活动，这对他们的生活产生了影响。 Students often volunteer at old people’s homes and this ____ ____ _____ ______ their life. makes a difference to as well cares about Climate change take action took part in 四、短文填词 Mr Liu’s family is just like ours. But this family has done something different. About seven years ago, they moved to the countryside and built a house. They used the wind and the sun to 1.p______ the house. Mr Liu wanted his family to do something for protecting the Earth, so he set some 2.r_____ for his family. Then, he began to make electricity to power everything in their daily life. The kids 3.w_______ about their life at first. “Will we still be able to watch TV? What about the computer?” they asked. “Don’t worry,” said their father. “We’ll make electricity by ourselves. It doesn’t mean we have to live in the past.” power rules worried “We are going to set up a wind generator,” said Mrs Liu. “It is a great way to 4.p_________ electricity. It’s not only free but also clean. The wind doesn’t blow all the time, though. So we need to store our power. Then, when there is no wind, we will still have power to make everything work in our house.” Mr Liu added, “We are also going to collect energy from the Sun and turn it into 5.e_______. So, when the wind blows, we have power. When the Sun 6.s______ , we have power, too.” Now, they are living 7.h__________ in their self-powered home. produce energy shines happily Thank you！ 42 $$