教学过程
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教学目标
| 教学活动与步骤
| 设计意图
| 评价要点
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1.获取视频中关于太阳能的信息并完成填写任务,回答相关问题。
| Step 1
1. What do you know about solar energy? Discuss your ideas in pairs and see if you can answer the questions.:
1) What is solar energy?
2) What do we use solar energy for? 3) What form of energy can solar energy change into?
2. Learn some key words concerning the video.
| 创设情境,引入主题,激发思考,激活兴趣,铺垫语言。
| 学生能够基于已知,简单地回答提出的问题。
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2.利用思维导图和流程图来帮助梳理太阳能的转化知识和实例。
| Step 2
Watch the video for the first time. Get the general idea about solar energy and answer the previous three questions again. Then complete the information about solar energy.
1) Solar energy is what makes you feel _________.
2) Solar energy is what causes solar panels to turn sunlight into __________.
3) Solar energy is what sets a piece of paper ________ under a magnifying glass.
4) We see solar energy as ______ and we feel solar energy as ______.
Step 3
1. Learn what mind map is and the steps of creating a mind map. Watch the video for the second time. Draw a mind map to show the relationship between solar energy, mechanical energy and chemical energy.
2. Explain how solar energy turns into mechanical energy and chemical energy with the mind maps.
| 基于主题引导学生获取相关信息,导出核心问题。
| 学生能够准确获取视频的基本信息,并完成图表。
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3.全面了解太阳能和风能的有关知识,对可再生能源利用进行评价。
| Step 4
Work in groups and discuss:
Can we mainly rely on solar and wind energy since both of them are clean energy? Why?
| 对可再生能源进行多方位评价。
| 学生发表对利用太阳能和风能的意见。
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家庭作业
| Write down a full report of solar energy, covering its strengths and weaknesses.
| 巩固所学知识。
| 学生课下完成报告。
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