Bridging British Education Virtual Academy 伦桥国际教育
STEM Science Lesson - Circulatory System Introduction STEM 科学课程 - 循环系统介绍
1. Course Basic Information 1. 课程基本信息
Teaching Focus 教学重点
Introduction to the heart, key parts of the circulatory system, and associated vocabulary.
介绍心脏,循环系统的关键组成部分以及相关词汇。
Teaching Objectives 教学目标
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Identify the three main parts of the circulatory system. 识别循环系统的三个主要部分。
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Describe the job of the heart. 描述心脏的工作。
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Identify the three main parts of the human circulatory system (mentioned in objectives, but specific content focused on heart/vessels). 识别/定义循环系统的主要组成部分(目标中提及)。
2. Course Content Overview 2. 课程内容概览
Main Teaching Activities and Time Allocation 主要教学活动和时间分配
Class Management & Logistics: Addressing technical issues (volume) and booklet printing status; brief icebreaker/age check (11-12 years old).
课堂管理与后勤: 处理技术问题(音量)和讲义打印状态;简短的破冰/年龄核对(11-12岁)。
Reviewing Learning Objectives & Prior Knowledge: Reading and confirming lesson aims; brainstorming and drawing body organs (testing prior knowledge of digestive system).
回顾学习目标与先前知识: 朗读并确认课程目标;头脑风暴并绘制身体器官图(测试对消化系统的先验知识)。
Introduction to Circulatory System & True/False Review: Defining circulation; True/False questions about the heart as a muscle and the connection to lungs.
循环系统介绍与是非题回顾: 定义“循环”;关于心脏是肌肉以及与肺部连接的判断题。
Vocabulary and Tool Introduction: Introducing terms like 'blood vessels', stethoscope use, and reviewing the Knowledge Organizer layout.
词汇和工具介绍: 介绍'血管'等术语,听诊器的使用,并回顾知识组织者的结构。
Video Lesson on the Heart: Watching a video covering heart size, location, chambers (atria, ventricles), valves, and basic path of blood flow (oxygenated/deoxygenated).
关于心脏的视频课程: 观看视频,涵盖心脏大小、位置、腔室(心房、心室)、瓣膜以及血液流动的基本路径(富氧/缺氧)。
Worksheet Activities: Sequencing & Labeling: Sequencing the steps of blood circulation (order of blood flow); labeling a diagram of the heart's connection to the lungs/body.
练习册活动:排序与标记: 对血液循环步骤进行排序(血流顺序);标记心脏与肺部/身体连接的图表。
Statement Writing & Review: Writing three statements about the heart using keywords; final True/False review; assigning homework.
陈述写作与回顾: 使用关键词写出关于心脏的三个陈述;最终的是非题回顾;布置家庭作业。
Language Knowledge and Skills 语言知识与技能
Circulatory system, heart, muscle, pump, lungs, blood vessels, arteries, veins, capillaries, stethoscope, rib cage, sternum, chambers (atria, ventricles), valves, oxygenated, deoxygenated.
循环系统,心脏,肌肉,泵,肺,血管,动脉,静脉,毛细血管,听诊器,肋骨,胸骨,腔室(心房,心室),瓣膜,富氧的,缺氧的。
The heart is a muscle that continuously pumps blood; the circulatory system moves oxygen and nutrients; differences between arteries (away) and veins (into) the heart; blood flow path through the heart (Lungs -> Left Side -> Body -> Right Side -> Lungs).
心脏是持续泵血的肌肉;循环系统负责输送氧气和营养物质;动脉(流出)和静脉(流入)的区别;血液通过心脏的路径(肺 -> 左侧 -> 身体 -> 右侧 -> 肺)。
Reading comprehension (aims, knowledge organizer text), oral participation, vocabulary recall, sequencing skills (blood flow order), labeling diagrams, formulating simple scientific statements.
阅读理解(目标、知识组织者文本),口语参与,词汇回忆,排序技能(血流顺序),图表标记,构建简单的科学陈述。
Teaching Resources and Materials 教学资源与材料
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Student Booklet/Worksheets (Requires printing) 学生手册/练习页(需要打印)
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Video on the Human Heart 关于人类心脏的视频
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Knowledge Organizer for the Unit 本单元的知识组织者
3. Student Performance Assessment (Reina, Charlie, Enya) 3. 学生表现评估 (Reina, Charlie, Enya)
Participation and Activeness 参与度和积极性
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All three students (Reina, Charlie, Enya) actively participated in answering questions and reading aloud. 所有三名学生(Reina, Charlie, Enya)积极参与回答问题和朗读。
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Charlie required gentle redirection on volume control at the start. Charlie 在开始时需要对音量控制进行温和的引导。
Language Comprehension and Mastery 语言理解和掌握
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Good recall of basic organs (digestive system). 对基本器官(消化系统)有良好的回忆。
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Successfully identified the function of the heart as a muscle and the basic loop of the circulatory system during the final review. 在最后回顾中,成功识别了心脏作为肌肉的功能和循环系统的基本循环回路。
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Students grasped the meaning of 'oxygenated' vs. 'deoxygenated' blood through context. 学生通过上下文理解了“富氧”与“缺氧”血液的含义。
Language Output Ability 语言输出能力
Oral: 口语:
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Students generally managed to read text segments, though some hesitation was noted on complex words like 'situated' and 'arteries/veins'. 学生总体上能够朗读文本片段,但在复杂词汇如 'situated' 和 'arteries/veins' 上略有停顿。
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Enya and Reina provided relevant descriptions when asked to create statements using keywords. Reina 和 Enya 在被要求使用关键词造句时提供了相关的描述。
Written: 书面:
Worksheet tasks (sequencing and labeling) were completed successfully with teacher guidance, demonstrating grasp of the blood flow path.
练习册任务(排序和标记)在老师指导下成功完成,显示出对血流路径的掌握。
Student's Strengths 学生的优势
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Strong prior knowledge recall regarding body systems (digestive system). 对身体系统(消化系统)有很强的先验知识回忆能力。
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Reina demonstrated good phonetic awareness when correcting 'identify'. Reina 在纠正 'identify' 时表现出良好的语音意识。
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Charlie clearly articulated the function of the heart as a strong muscle when summarizing. Charlie 在总结时清晰地阐述了心脏作为强壮肌肉的功能。
Areas for Improvement 需要改进的方面
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Memorization and quick recall of new technical vocabulary (e.g., arteries vs. veins direction). 对新的技术词汇(例如动脉与静脉的方向)的记忆和快速回忆。
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Reliance on visual aids (Knowledge Organizer) for labeling/sequencing, indicating the need for more internalization. 在标记/排序时依赖视觉辅助工具(知识组织者),表明需要更多内化。
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Pronunciation practice for difficult terms like 'capillaries' (American vs. English pronunciation noted). 对如 'capillaries' 等困难词汇的发音练习(注意到了美式和英式发音的区别)。
4. Teaching Reflection 4. 教学反思
Effectiveness of Teaching Methods 教学方法的有效性
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The use of the video was highly engaging and broke down complex internal structures effectively. 视频的使用非常吸引人,有效地分解了复杂的内部结构。
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Scaffolding activities (drawing organs -> sequencing flow -> labeling diagram) built knowledge step-by-step. 脚手架式活动(画器官 -> 排序流程 -> 标记图表)逐步建立了知识。
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The teacher provided excellent guidance on mnemonic devices (A for Arteries = Away). 老师在记忆技巧(A 代表 Arteries 意为 Away)方面提供了极好的指导。
Teaching Pace and Time Management 教学节奏和时间管理
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The pace was generally appropriate, allowing time for drawing and discussion, despite minor interruptions related to printing. 节奏总体上是合适的,尽管有与打印相关的轻微中断,但仍留出了绘画和讨论的时间。
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The teacher managed time well, moving efficiently from introduction to video and practice activities. 老师很好地管理了时间,从介绍到视频和练习活动都进行得很有效率。
Classroom Interaction and Atmosphere 课堂互动和氛围
Positive, interactive, and supportive, especially noted when students shared their drawings and struggled with certain terms.
积极、互动且支持性强,尤其是在学生分享他们的画作和在某些术语上遇到困难时表现明显。
Achievement of Teaching Objectives 教学目标的达成
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Partially achieved: Students began identifying the three main parts (heart, blood vessels), but detailed focus shifted heavily to the heart structure itself. 部分达成:学生开始识别循环系统的三个主要部分(心脏、血管),但重点内容大量转向了心脏结构本身。
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Achieved: Students could articulate the heart's main job (pumping blood) by the end of the lesson. 达成:到课程结束时,学生能够阐述心脏的主要工作(泵血)。
5. Subsequent Teaching Suggestions 5. 后续教学建议
Teaching Strengths 教学优势
Identified Strengths: 识别的优势:
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Effective integration of multi-modal resources (drawing, video, text reading). 有效整合了多模式资源(绘画、视频、文本阅读)。
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Strong use of real-world analogies (heart size of a fist, valves as doors/gates). 善于使用现实世界的类比(心脏大小如拳头,瓣膜如门/闸门)。
Effective Methods: 有效方法:
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Using prior knowledge checks (organ drawing) to transition into the new topic. 利用先验知识检查(器官绘图)来过渡到新主题。
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Clear explanation of mnemonics to differentiate arteries and veins. 清晰解释记忆法来区分动脉和静脉。
Positive Feedback: 正面反馈:
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Students were very receptive to the video content and the drawing activity. 学生对视频内容和绘画活动反应热烈。
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The teacher efficiently managed group work and provided immediate feedback during worksheets. 老师高效地管理了小组活动,并在练习期间提供了即时反馈。
Next Teaching Focus 下一步教学重点
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In-depth study of blood vessels (arteries, veins, capillaries) structure and function. 深入学习血管(动脉、静脉、毛细血管)的结构和功能。
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Reviewing the structure of the heart (chambers and valves) with more precision. 更精确地复习心脏的结构(腔室和瓣膜)。
Specific Suggestions for Student's Needs 针对学生需求的具体建议
Pronunciation & Reading: 发音与阅读:
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Dedicate 2-3 minutes in the next lesson for targeted pronunciation drilling of circulatory system terms (arteries, veins, capillaries). 在下一课中分配 2-3 分钟,专门针对循环系统的术语(动脉、静脉、毛细血管)进行发音练习。
Speaking & Communication: 口语与交流:
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Encourage students to use the technical vocabulary (arteries, veins, chambers) independently in their descriptive statements, rather than relying solely on the provided boxes. 鼓励学生在描述性陈述中独立使用技术词汇(动脉、静脉、腔室),而不是完全依赖提供的词汇框。
Materials & Preparation: 材料与准备:
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Follow up strongly on the printing requirement for the booklet to ensure smooth transition into written activities next time. 强力跟进讲义的打印要求,以确保下次能顺利过渡到书面活动。
Recommended Supplementary Learning Resources or Homework 推荐的补充学习资源或家庭作业
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Complete the assigned homework: Labeling the heart diagram, filling in missing words in sentences, and reading the provided text for further context. 完成分配的作业:标记心脏图表,填空句子中的缺失单词,并阅读提供的文本以获取更多背景信息。
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Review the Knowledge Organizer section on blood vessels for the next lesson. 为下一课复习知识组织器中关于血管的部分。