Unit 5 课时2 Understanding ideas（导学案）英语外研版2024七年级上册

Unit 5 The power of plants Understanding ideas 导学案 班级： 学生姓名： 科目： 授课教师： 学习目标 通过本节课学习，学生能够： 1. 理解并识记植物部位和光合作用相关词汇（leaf, stem, root, sunlight, CO₂, oxygen, sugar等）；读懂语篇，理解光合作用的基本过程和植物的重要性；识别语篇中一般将来时的用法。（学习理解） 2. 在语境中运用核心词汇和句型描述植物的工作过程；运用一般将来时表达计划或自然过程；通过小组讨论，口头表达植物的重要性及个人计划。 （应用实践） 3. 合作完成题为“My plan for Planting Day”的书面计划；从气候、动物、人类三方面阐述植物的重要性，并表达个人行动意图；运用所学语言和价值观，倡导绿色生活。（迁移创新） 学习 重难点 重点：理解光合作用过程；掌握核心词汇和一般将来时的用法；表达植物的重要性。 难点：区分 will 与 be going to 的用法；在真实语境中综合运用所学语言完成计划任务。 课前预习 翻译练习： 单词： 1. ______________ /wɪˈðɪn/ prep. 在（建筑或地区）里 2. ______________ /ˈkwɔːtə(r)/ n. 一刻钟，十五分钟 3. ______________ /ˈwɜːkʃɒp/ n. 车间，工场 4. ______________ /liːf/ n. 叶，叶子 5. ______________ /iːtʃ/ det. （两个或两个以上物或人中的）每个，各 6. ______________ /kəˈlekt/ v. 收集，采集；使集中 7. ______________ /ruːt/ n. 根 8. ______________ /send/ v. 送出，发出 9. ______________ /raɪz/ v. 升高，上升 10. ______________ /stem/ n. （植物的）茎，梗，柄 11. ______________ /mɪks/ v. （使）混合 12. ______________ /prəˈdjuːs/ v. （自然地）生产，产生，出产 13. ______________ /ˈʃʊɡə(r)/ n. 糖 14. ______________ /ˈprɒdʌkt/ n. （自然过程或化学反应的）生成物 15. ______________ /ˈɒksɪdʒən/ n. 氧 16. ______________ /ˈhjuːmən/ n. 人类；人 17. ______________ /ðəʊ/ adv. 可是，不过，然而 18. ______________ /briːð/ v. 呼吸 19. ______________ /suːn/ adv. 不久，即刻，很快 20. ______________ /dɑːk/ adj. 昏暗的；黑暗的 21. ______________ /rest/ n. 休息（时间） 22. ______________ /ˈnætʃrəl/ adj. 自然的，天然的 23. ______________ /siːd/ n. 种子，籽 24. ______________ /ɡrəʊ/ v. 生长 25. ______________ /pɑːt/ n. 部分 26. ______________ /ˈreɪnfɒrɪst/ n. （热带）雨林 短语： 1. 收集阳光 _________________________ 2. 在白天 _________________________ 3. 输送上来 _________________________ 4. 上升 _________________________ 5. 变成 _________________________ 6. 对...很重要 _________________________ 7. 对...有用 _________________________ 8. 在地球上 _________________________ 9. 提供的不仅仅是食物 _________________________ 10. 存活数千年 _________________________ 句子： 1. 水将通过茎上升到叶子。（P81） _______________________________________________________________________________ 2. 它们将生产糖和氧气。（P81） _______________________________________________________________________________ 3. 不过，它对动物和人类来说意义重大——他们需要它来呼吸！（P81）_______________________________________________________________________________ 4. 它们提供的不仅仅是食物和氧气。（P81）_______________________________________________________________________________ 5. 没有植物，自然界将会大不相同。（P81） ______________________________________________________________________________ 课堂探究 情景导入 1. Look at the picture of a plant and answer: 1)---What do you see? 2)---What do plants need to grow? 2. Learn the topic: “Within a plant. ” 3. Observe the picture and hink: ---What does “plant” mean? Could it have two meanings? plant:_____________________________________________________________________ 学习理解 Pre-reading Learn the key words and expressions: sunlight, sugar, rise up, turn into, breathe... While-reading 1.Read the passage and check the words matching in Activity 1 on page 96. 2.___________________ 1.___________________ 4.___________________ 3.___________________ 2. Read paragraph one again, and answer: 1)---Are there real workers? ---________________________________________________________________________. 2)---What does “worker” mean here? ---________________________________________________________________________. 3.Choose another suitable title .(Activity 3) a How to make sugar b How plants work c Why plants are great d Going to the green workshop 4. Find sentences with “will” and “be going to”. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 应用实践 Post-reading 1. Read the passage again, and complete Activity 4: Fill in the blanks with words from the text on page 82. Sunlight and CO, come into the 1._____________ ! Water from the root will 2._____________to the leaf through the stem. 3.___________, CO, and sunlight will turn into 4.____________and oxygen.Oxygen is important to humans - they need it to 5.________________. 2. Discuss in groups: 1) ---What does “plant” mean in the title? ---_______________________________________________________________________. 2) ---In what other ways do plants help the world? ---_______________________________________________________________________. 3. Practice using “will” and “be going to” in sentences about plants. 课内参考句子： The water will rise up to the Leaf through the Stem. Then workers in the Leaf will mix water, CO₂ and sunlight. Another product will be oxygen. He is going to start work in the plant. What are they going to produce? Soon it is going to get dark. 4. Read the guide’s words about rainforest and complete the text. (Activity 7) Welcome to the Great Bear Rainforest in Canada! We 1.___________ through the forest today. It's sunny now, but please take a raincoat. I'm sure it 2.___________ later. The trees in a rainforest can make their own rain. How? Well, look up-way, way, up- and you 3.___________ clouds at the top of these trees. Water comes into the air from the leaves, and becomes clouds. It then rains on the forest. This 4.__________ other plants very happy. These trees can live for thousands of years. They5. __________ animals somewhere to live and food to eat... Now we can see plants are so important. They mean so much to us. 迁移创新 1. Think: ---Why should we plant more trees? 2.Learn some useful expressions and model a dialogue. Without plants, ... will / won't... ... mean a lot to... ... is useful for... ... need... to... ... can make... ... give more than... 对话范例: Student 1: Planting Day is coming. Let's do something. Student 2: Yes, plants mean a lot to us. Without them, animals will lose their homes. We won't have food or clean air. Student 1: Plants can also influence the climate. Student 2: So what are your plans for Planting Day? Student 1 : l am going to plant three trees, Let's also make a "Green Corner" for our classroom. Student 2: Sounds great! 3.Work in pairs to discuss “My plan for Planting Day”. 4.Write a short plan including: · The importance of plants More plants will make: the animals:____________________________________________________________________ the people:_____________________________________________________________________ Personal plans: things to do: I am going to ___________________________________________________________________ ______________________________________________________________________________________________________________________________________________________________ 随堂练习 一、单项选择 (　 　)1. I love my son very much, ______ he makes me angry sometimes. A. but B. so C. because D. though (　 　)2. They walk ______ the forest in a month. A. on B. with C. through D. across (　 　)3. Lucy often ______ emails to her friends. A. collects B. sends C. produces D. checks (　 　)4. Mary and I ______ the museum tomorrow. D. is going to A. am going to B. are going C. are going to (　 　)5. ______ people lost their homes in the earthquake(地震)． A. Million of B. Millions of C. Millions D. Two million (　 　)6.There _______ a party in the company tomorrow evening . A.was B.is going to have C.will have D.is going to be (　 　)7.I ______ a party next Saturday. I hope you can come. A.had B.was having C.have had D.will have (　 　)8.Linda is _______ to the park this afternoon . A. going B. go C. goes D. to go (　 　)9. Daniel and Kitty_______ visit the Children’s Palace tomorrow. A. is going to B. going to C. will going to D. are going to (　 　)10. Jack and his friends_______ going to_______ their English teacher tomorrow. A. is, visit B. are, visit C. is, visiting D. are, visiting 二、从括号内选出正确的单词 within, take a rest, though, quarter, more than, through 1. After playing football for an hour, it's important to __________ and drink some water. 2. The library is a quiet place to study, and you can find many books _______ its shelves. 3. The sound can travel ________ the air. 4. The school day starts at _______ past seven in the morning. 5. I love pizza; it's not healthy, ________. 6. Playing sports is _________ fun; it also keeps you healthy. 三、根据要求改写句子 1. Mary is going to buy some magazines after school. (改为同义句) Mary _______ _______ some magazines after school. 2. My father will come back in an hour. (改为一般疑问句) _______ your father ______ back in an hour? 3. John will go on a holiday to China next year. (对画线部分提问) ________ _________ John go on a holiday to China? 4. Our new neighbor will join us for dinner this evening. (改为否定句) Our new neighbor ______ _____ us for dinner this evening. 课后作业 基础作业：整理并抄写本课核心词汇（如 leaf, root, stem, produce, oxygen, rainforest 等）及核心句型（含 will / be going to 的句子），并用其中5个单词造句。 进阶作业：绘制一幅简单的光合作用示意图（可参考课本图片），并用3-5句英文在旁边标注其关键过程。 拓展作业：以小组为单位，创作一份简单的英文版《植树节倡议书》或设计一张宣传海报，需包含植物的重要性及1-2条具体的植树行动计划。 学科网（北京）股份有限公司2 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $ Unit 5 The power of plants Understanding ideas 导学案 班级： 学生姓名： 科目： 授课教师： 学习目标 通过本节课学习，学生能够： 1. 理解并识记植物部位和光合作用相关词汇（leaf, stem, root, sunlight, CO₂, oxygen, sugar等）；读懂语篇，理解光合作用的基本过程和植物的重要性；识别语篇中一般将来时的用法。（学习理解） 2. 在语境中运用核心词汇和句型描述植物的工作过程；运用一般将来时表达计划或自然过程；通过小组讨论，口头表达植物的重要性及个人计划。 （应用实践） 3. 合作完成题为“My plan for Planting Day”的书面计划；从气候、动物、人类三方面阐述植物的重要性，并表达个人行动意图；运用所学语言和价值观，倡导绿色生活。（迁移创新） 学习 重难点 重点：理解光合作用过程；掌握核心词汇和一般将来时的用法；表达植物的重要性。 难点：区分 will 与 be going to 的用法；在真实语境中综合运用所学语言完成计划任务。 课前预习 翻译练习： 单词： 1. ______________ /wɪˈðɪn/ prep. 在（建筑或地区）里 2. ______________ /ˈkwɔːtə(r)/ n. 一刻钟，十五分钟 3. ______________ /ˈwɜːkʃɒp/ n. 车间，工场 4. ______________ /liːf/ n. 叶，叶子 5. ______________ /iːtʃ/ det. （两个或两个以上物或人中的）每个，各 6. ______________ /kəˈlekt/ v. 收集，采集；使集中 7. ______________ /ruːt/ n. 根 8. ______________ /send/ v. 送出，发出 9. ______________ /raɪz/ v. 升高，上升 10. ______________ /stem/ n. （植物的）茎，梗，柄 11. ______________ /mɪks/ v. （使）混合 12. ______________ /prəˈdjuːs/ v. （自然地）生产，产生，出产 13. ______________ /ˈʃʊɡə(r)/ n. 糖 14. ______________ /ˈprɒdʌkt/ n. （自然过程或化学反应的）生成物 15. ______________ /ˈɒksɪdʒən/ n. 氧 16. ______________ /ˈhjuːmən/ n. 人类；人 17. ______________ /ðəʊ/ adv. 可是，不过，然而 18. ______________ /briːð/ v. 呼吸 19. ______________ /suːn/ adv. 不久，即刻，很快 20. ______________ /dɑːk/ adj. 昏暗的；黑暗的 21. ______________ /rest/ n. 休息（时间） 22. ______________ /ˈnætʃrəl/ adj. 自然的，天然的 23. ______________ /siːd/ n. 种子，籽 24. ______________ /ɡrəʊ/ v. 生长 25. ______________ /pɑːt/ n. 部分 26. ______________ /ˈreɪnfɒrɪst/ n. （热带）雨林 短语： 1. 收集阳光 _________________________ 2. 在白天 _________________________ 3. 输送上来 _________________________ 4. 上升 _________________________ 5. 变成 _________________________ 6. 对...很重要 _________________________ 7. 对...有用 _________________________ 8. 在地球上 _________________________ 9. 提供的不仅仅是食物 _________________________ 10. 存活数千年 _________________________ 句子： 1. 水将通过茎上升到叶子。（P81） _______________________________________________________________________________ 2. 它们将生产糖和氧气。（P81） _______________________________________________________________________________ 3. 不过，它对动物和人类来说意义重大——他们需要它来呼吸！（P81）_______________________________________________________________________________ 4. 它们提供的不仅仅是食物和氧气。（P81）_______________________________________________________________________________ 5. 没有植物，自然界将会大不相同。（P81） ______________________________________________________________________________ 课堂探究 情景导入 1. Look at the picture of a plant and answer: 1)---What do you see? 2)---What do plants need to grow? 2. Learn the topic: “Within a plant. ” 3. Observe the picture and hink: ---What does “plant” mean? Could it have two meanings? plant:_____________________________________________________________________ 学习理解 Pre-reading Learn the key words and expressions: sunlight, sugar, rise up, turn into, breathe... While-reading 1.Read the passage and check the words matching in Activity 1 on page 96. 2.___________________ 1.___________________ 4.___________________ 3.___________________ 2. Read paragraph one again, and answer: 1)---Are there real workers? ---________________________________________________________________________. 2)---What does “worker” mean here? ---________________________________________________________________________. 3.Choose another suitable title .(Activity 3) a How to make sugar b How plants work c Why plants are great d Going to the green workshop 4. Find sentences with “will” and “be going to”. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 应用实践 Post-reading 1. Read the passage again, and complete Activity 4: Fill in the blanks with words from the text on page 82. Sunlight and CO, come into the 1._____________ ! Water from the root will 2._____________to the leaf through the stem. 3.___________, CO, and sunlight will turn into 4.____________and oxygen.Oxygen is important to humans - they need it to 5.________________. 2. Discuss in groups: 1) ---What does “plant” mean in the title? ---_______________________________________________________________________. 2) ---In what other ways do plants help the world? ---_______________________________________________________________________. 3. Practice using “will” and “be going to” in sentences about plants. 课内参考句子： The water will rise up to the Leaf through the Stem. Then workers in the Leaf will mix water, CO₂ and sunlight. Another product will be oxygen. He is going to start work in the plant. What are they going to produce? Soon it is going to get dark. 4. Read the guide’s words about rainforest and complete the text. (Activity 7) Welcome to the Great Bear Rainforest in Canada! We 1.___________ through the forest today. It's sunny now, but please take a raincoat. I'm sure it 2.___________ later. The trees in a rainforest can make their own rain. How? Well, look up-way, way, up- and you 3.___________ clouds at the top of these trees. Water comes into the air from the leaves, and becomes clouds. It then rains on the forest. This 4.__________ other plants very happy. These trees can live for thousands of years. They5. __________ animals somewhere to live and food to eat... Now we can see plants are so important. They mean so much to us. 迁移创新 1. Think: ---Why should we plant more trees? 2.Learn some useful expressions and model a dialogue. Without plants, ... will / won't... ... mean a lot to... ... is useful for... ... need... to... ... can make... ... give more than... 对话范例: Student 1: Planting Day is coming. Let's do something. Student 2: Yes, plants mean a lot to us. Without them, animals will lose their homes. We won't have food or clean air. Student 1: Plants can also influence the climate. Student 2: So what are your plans for Planting Day? Student 1 : l am going to plant three trees, Let's also make a "Green Corner" for our classroom. Student 2: Sounds great! 3.Work in pairs to discuss “My plan for Planting Day”. 4.Write a short plan including: · The importance of plants More plants will make: the animals:____________________________________________________________________ the people:_____________________________________________________________________ Personal plans: things to do: I am going to ___________________________________________________________________ ______________________________________________________________________________________________________________________________________________________________ 随堂练习 一、单项选择 (　 　)1. I love my son very much, ______ he makes me angry sometimes. A. but B. so C. because D. though (　 　)2. They walk ______ the forest in a month. A. on B. with C. through D. across (　 　)3. Lucy often ______ emails to her friends. A. collects B. sends C. produces D. checks (　 　)4. Mary and I ______ the museum tomorrow. D. is going to A. am going to B. are going C. are going to (　 　)5. ______ people lost their homes in the earthquake(地震)． A. Million of B. Millions of C. Millions D. Two million (　 　)6.There _______ a party in the company tomorrow evening . A.was B.is going to have C.will have D.is going to be (　 　)7.I ______ a party next Saturday. I hope you can come. A.had B.was having C.have had D.will have (　 　)8.Linda is _______ to the park this afternoon . A. going B. go C. goes D. to go (　 　)9. Daniel and Kitty_______ visit the Children’s Palace tomorrow. A. is going to B. going to C. will going to D. are going to (　 　)10. Jack and his friends_______ going to_______ their English teacher tomorrow. A. is, visit B. are, visit C. is, visiting D. are, visiting 二、从括号内选出正确的单词 within, take a rest, though, quarter, more than, through 1. After playing football for an hour, it's important to __________ and drink some water. 2. The library is a quiet place to study, and you can find many books _______ its shelves. 3. The sound can travel ________ the air. 4. The school day starts at _______ past seven in the morning. 5. I love pizza; it's not healthy, ________. 6. Playing sports is _________ fun; it also keeps you healthy. 三、根据要求改写句子 1. Mary is going to buy some magazines after school. (改为同义句) Mary _______ _______ some magazines after school. 2. My father will come back in an hour. (改为一般疑问句) _______ your father ______ back in an hour? 3. John will go on a holiday to China next year. (对画线部分提问) ________ _________ John go on a holiday to China? 4. Our new neighbor will join us for dinner this evening. (改为否定句) Our new neighbor ______ _____ us for dinner this evening. 课后作业 基础作业：整理并抄写本课核心词汇（如 leaf, root, stem, produce, oxygen, rainforest 等）及核心句型（含 will / be going to 的句子），并用其中5个单词造句。 进阶作业：绘制一幅简单的光合作用示意图（可参考课本图片），并用3-5句英文在旁边标注其关键过程。 拓展作业：以小组为单位，创作一份简单的英文版《植树节倡议书》或设计一张宣传海报，需包含植物的重要性及1-2条具体的植树行动计划。 【参考答案】 课前预习 单词： 1. within /wɪˈðɪn/ prep. 在（建筑或地区）里 2. quarter /ˈkwɔːtə(r)/ n. 一刻钟，十五分钟 3. workshop /ˈwɜːkʃɒp/ n. 车间，工场 4. leaf /liːf/ n. 叶，叶子 5. each /iːtʃ/ det. （两个或两个以上物或人中的）每个，各 6. collect /kəˈlekt/ v. 收集，采集；使集中 7. root /ruːt/ n. 根 8. send /send/ v. 送出，发出 9. rise /raɪz/ v. 升高，上升 10. stem /stem/ n. （植物的）茎，梗，柄 11. mix /mɪks/ v. （使）混合 12. produce /prəˈdjuːs/ v. （自然地）生产，产生，出产 13. sugar /ˈʃʊɡə(r)/ n. 糖 14. product /ˈprɒdʌkt/ n. （自然过程或化学反应的）生成物 15. oxygen /ˈɒksɪdʒən/ n. 氧 16. human /ˈhjuːmən/ n. 人类；人 17. though /ðəʊ/ adv. 可是，不过，然而 18. breathe /briːð/ v. 呼吸 19. soon /suːn/ adv. 不久，即刻，很快 20. dark /dɑːk/ adj. 昏暗的；黑暗的 21. rest /rest/ n. 休息（时间） 22. natural /ˈnætʃrəl/ adj. 自然的，天然的 23. seed /siːd/ n. 种子，籽 24. grow /ɡrəʊ/ v. 生长 25. part /pɑːt/ n. 部分 26. rainforest /ˈreɪnfɒrɪst/ n. （热带）雨林 短语： 1. 收集阳光 collect sunlight 2. 在白天 during the day 3. 输送上来 send up 4. 上升 rise up 5. 变成 turn into 6. 对...很重要 mean a lot to 7. 对...有用 be useful for 8. 在地球上 on earth 9. 提供的不仅仅是食物 give more than food 10. 存活数千年 live for thousands of years 句子： 1. 水将通过茎上升到叶子。 The water will rise up to the leaf through the stem. 2. 它们将生产糖和氧气。 They are going to produce sugar and oxygen. 3. 不过，它对动物和人类来说意义重大——他们需要它来呼吸！ It means a lot to animals and humans, though - they need it to breathe! 4. 它们提供的不仅仅是食物和氧气。 They give more than food and oxygen. 5. 没有植物，自然界将会大不相同。 Without plants, the natural world would be very different. 课堂探究 情景导入 1. 1) I see a plant with roots, a stem, and leaves. There are also elements like sunlight, water, and carbon dioxide around it. 2) Plants need sunlight, water, air (carbon dioxide), and nutrients from the soil to grow. 2. 略 3. The word "plant" has two meanings. It can mean a living thing that grows in the ground, like a tree or flower. It can also mean a factory or a place where people make things. 学习理解 Pre-reading 略 While-reading 1. 1.sunlight 2.sugar 3. water4. leaf 2. 1) ---Are there real workers? ---No, there are no real workers in the plant. 2) ---What does "worker" mean here? ---It means the cells (叶绿体) inside the plant. 3. b How plants work 4. Find sentences with "will" and "be going to". He’s going to start work in the plant. The water will rise up to the Leaf through the Stem. Then workers in the Leaf will mix water, CO₂ and sunlight. Another product will be oxygen. He is going to start work in the plant. What are they going to produce? Soon it is going to get dark. They will take a rest. 应用实践 Post-reading 1. 1.leaf 2.rise up 3.Water 4.sugar 5. breathe 2.1) ---What does "plant" mean in the title? ---The word "plant" has two meanings. It means the living thing that grows in the ground, and it also means a factory where things are made. 2) ---In what other ways do plants help the world? ---Plants clean the air, help stop floods, provide homes for animals, and reduce the effect of climate change. 3.略 4. l.are going to 2. will rain 3.will see 4.makes 5. give 迁移创新 1. Think: We should plant more trees because they are important to nature, including the climate, the animals and the people. 2. 略 3. the animals: have more homes and food sources. They will give animals safe places to live and raise their young. the people: have cleaner air to breathe and a healthier environment. They can make our cities more beautiful and reduce noise pollution. Personal plans: things to do: I am going to plant three trees in my community garden and help take care of them. I will also encourage my friends and family to join me in planting more flowers around our school. Every week, I am going to water the young plants and make sure they grow well. I believe that by working together, we can make our world greener and healthier for everyone. 课堂练习 一、单项选择答案 1. D 2. C 3. B 4. C 5. B 6. D 7. D 8. A 9. D 10. B 二、从括号内选出正确的单词答案 1. take a rest 2. within 3. through 4. quarter 5. though 6. more than 三、根据要求改写句子答案 1. Mary will buy some magazines after school. 2. Will your father come back in an hour? 3. When will John go on a holiday to China? 4. Our new neighbor will not join/won’t us for dinner this evening. 学科网（北京）股份有限公司2 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $