2022年六年级上册劳动与技术教案浙教版 .pdf

六年级上册劳动与技术教学计划1、奇妙的针法教学目标：了解钩针技术在日常生活中的使用和装饰价值，掌握持针、绕线的方法，认识几种常见的编织记号，学会其编织的技巧。课前准备：准备工具，并向女性家长请教，以促进孩子们编织技能的掌握。教学过程一、学习材料的选择材料的选择上除了教材上运用的，还可以选择其它的线材，如彩带、开司米线、马海毛线等等，工具更是型号多样，棒针的型号从大到小有十几个品种，要求学生按线的粗细合理选择，棒针可以选用铝质或竹制的，钩针也有两种不同的式样，一般来说，教材中的较适合学生使用。二、汇报课前的学习体会三、自学书上的制作步骤四、互帮互助可以发动男女学生之间互帮，开阔学生的设计思路，同时让对编织内容感兴趣的学生走得更快。五、课外延伸学习其他的针法。六、评价：编织是否仔细；技术设计是否有创意；活动中是否积极投入；学习兴趣是否浓厚。教学后记2、美丽的钩针花样教学目标：1.学会欣赏各种形状的钩针编织图案，了解其针法及组合的方式。2 掌握三种针法的编织方法，熟练进行编织，并能对它们进行组合，完成一种简单花样的编织。教学时间：一课时教学重点和难点;1.教学的重点是掌握锁针、短针、长针的编织方法，并能够将它们组合，编织出一种简单的花样。2.教学的难点是熟练地运用钩针的三种基本针法。教学过程：1、谈话引入:先复习钩针起针方法及三种基本针法的编织图示符号及方法；然后分小组讨论“看看想想”中的三种花样分别使用的针法类型及组合方式。小组派代表汇报讨论结果，然后教师进行总结。2 动手编织：动手编织前，教师要组织他们仔细阅读环状花样的编制说明，交流质疑，然后教师对技术难点进行示范讲解，最后分组练习，互帮互学。评比;学生将自己的成果拿出来展示，老师评比。文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5教学后记3、香皂结教学目标：1.探究中国结香皂的编织技术，感受它的工艺性与实用性结合的特点。2.学会中国结香皂的编织方法，编制一份独特的中国结香皂礼物。3.通过实践深入理解中华民族文化的价值。教学重点与难点：1.教学的重点是探究中国结香皂的编织技术，学会基本的编织方法。2.教学的难点是创造性地运用打结技术，编制一份独特的中国结香皂礼物。教学过程：一。探究中国结的编结技术教师引导学生感受中国结香皂的工艺性与实用性相结合的品质。让学生观察和理解香皂结的外形与编结技术的关系。二。技法学习1。教师示范：图案的固定方法、双手盘绕的方法。2。学生模仿老师的动作尝试编结。三、制作实践教师指导学生有序地展开编结制作。文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 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ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T51、徒手绘制草图，和同学们交流。2、用大头针固定编结线路，并选用合适的线绳展开编结。四、展示评价师生共同布置展示台。教师引导每个学生展示自己的作品，并向同学表达编结意图：1、我的中国结香皂有何用途？2、我编制作品时，花费时间最多的部分在哪里？3、哪些色彩搭配的特别满意?4、用大头针固定时，我用了哪些巧妙的办法？教学后记4、小刺猬活动目标：1、引导学生自己看着图示塑造刺猬形象。2、通过捏、揉、搓等技能捏出造型。3、培养想象力、创造力。活动准备：橡皮泥、紫砂泥、泥工板、各种辅助材料及泥工用具。活动过程：一、导入活动，引起兴趣。1、（出示图片刺猬）引导学生说出刺猬的基本特征）2、学生尝试看图示塑造刺猬形象，教师巡回。文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T53、讲述塑造过程，教师做简单评价。二、学生操作，教师巡回指导。三、评价结束活动。请个别有创新的学生上来讲述他的作品，并进行表扬鼓励。教学后记5、电影放映机教学目标：1、了解电影放映机的原理2、学会利用蛋糕盒来制作一个简易的电影放映机教学准备：蛋糕盒、热水瓶软木塞、长约30厘米的粗铁丝、卡纸、美工刀、剪刀、彩纸。教学过程：一、引入二、学习步骤1、在蛋糕盒表面的正中央画一点A，然后在蛋糕盒的侧面，用美工刀刻一个小窗，并在 A 点附近的蛋糕盒表面开一个天窗。2、用铁丝从 A 点穿过蛋糕盒与盒盖，然后抽出铁丝。3、将热水瓶的软木塞当作放映机的郑轮，将铁线穿过卷轮的中心。、4、在卷轮的表面画上米字格，然后用小刀在卷轮的外侧画一圈垂线。5、根据你投计的图片，按从小到大、从左到右的顺序画图。6、将画好的图片按顺序一一插入卷轮的竖缝里，注意插得整齐，牢固些，也可以用胶水粘合。文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 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ZX3N7T2N8T57、卷轮装入蛋糕盒中，并用铁丝将三者下连接。8、在铁丝的上端粘上小旗子，下端扭成直角弯。三、展示教学后记6、无土栽培一、教学目标：1、引导学生充分利用信息技术这一手段，通过上网浏览初步掌握无土栽培技术的概念，认识其优点，了解无土栽培的各种的方法。2、指导学生进行无土栽培大蒜，培养学生的实践能力。3、通过引导学生认识无土栽培的优点，使学生了解无土栽培可以获得无公害的“绿色食品”，它将是生态农业的发展方向，并激发学生从小就要有创新意识。二、教学重点难点：解无土栽培可以获得无公害的“绿色食品”，它将是生态农业的发展方向。四、教学过程：（一）导入新课：（二）运用网络，探究知识1、质疑提问2、分组研究3、交流汇报l 方法：立体栽培、水培、袋培、砂石培、木屑培等（三）指导实践文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 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ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T51、讲述：通过上网学习你有哪些收获？对研究无土栽培还有什么打算或？2、指导学生做木屑栽培大蒜的实验。3、反馈情况。（四）总结延伸教学后记7、无土栽培常春藤教学目标：学会无土栽培常春藤的方法教学准备：铲子、洒水壶、常春藤、珍珠岩、细沙、花盆、营养液等。教学过程：一、引入，揭题二、学学做做：1、洗净泥土：洗净常春藤根部的泥土，并作适当的修剪。2、准备基质：固体其质选用2 份珍珠岩加 1 份细沙，然后将基质搅拌均匀。3、远用中号吊盆，将搅拌好的基质上进行栽种，一般每盆栽3、5 棵4、第一次要浇透，以后每隔几天浇一次。三、总结教学后记8、神奇的音乐片教学目标：1、了解音乐片的神奇作用文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 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ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T52、了解安全使用电烙铁的要求教学准备：剪刀、尖嘴钳、镊子、导线、蜂鸣器、音乐片、电池盒、触片等。教学过程：一、导入揭题二、学学做做1、握好电烙铁2、带锡焊接3、点锡焊接4、焊蜂鸣器5、焊电极片6、焊音乐片三、交流成品，展示教学后记9、水果电池活动目标1.科学探究：学会制作简单的水果电池；初步尝试画简单的电路图。2.科学知识：知道电池的组成。3.情感态度价值观：形成合作与分享的意识；初步意识到科学研究的严谨性。4.培养学生简单的科学研究能力和创新实践能力。活动过程文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 HR4J2X3Y10W5 ZX3N7T2N8T5文档编码:CZ4J2J2B9E1 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