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“水果发电”---周末STEM活动教案

  • 2026-03-30 18:15:05
“水果发电”---周末STEM活动教案

霍格沃茨水果魔法能量站 Hogwarts Fruit Magic Power Station

一、课程背景(Story Background

霍格沃茨城堡的魔法警示灯突然熄灭了!黑魔法生物可能趁暗潜入,邓布利多校长发现,神奇水果里藏着自然魔法能量,能让警示灯重新亮起。他邀请小巫师们化身魔法能量师,用柠檬、橙子等水果,搭配魔法金属片,制作水果发电装置,唤醒警示灯、守护城堡。小巫师们,准备好解锁水果的隐藏能量,完成守护任务了吗?

The "magic warning lights" of Hogwarts Castle suddenly went out! Dark magical creatures may sneak in. Headmaster Dumbledore found that magical fruits contain "natural magic power" that can relight the warning lights. He invites young wizards to be "magic energy masters" use fruits like lemons and oranges, with magic metal pieces, to make fruit power devices, wake up the warning lights and guard the castle. Young wizards, are you ready to unlock the hidden power of fruits and complete the guardian mission?

二、10个英文单词 & 10个英文句子(10 English Words & 10 English Sentences

1. Fruit 水果

1. I like this fruit. 我喜欢这个水果。

2. Power 能量

2. We make power with fruit. 我们用水果制造能量。

3. Bulb 灯泡 

3. Does the bulb turn bright? 灯泡变亮了吗?

4.Gloves 手套

4. Put on gloves. 戴上手套。

5. Wire 导线

5. Pass the wire. 递一下导线。

6.Connect 连接

6.Connect fruit to the lightbulb. 把水果和灯泡连起来。

7. Copper铜

7. Wire connects coppersheet. 导线连铜片。

8. Zinc

8. Stick copper and zincsheet.插入铜片和锌片。

9.Light 灯

9.The fruit lights up the bulb. 水果点亮了灯泡。

10. Bright 亮的

10. The bulb turns bright! 灯泡变亮啦!

三、课前准备(Pre-class Preparation

1. 材料准备(Material Preparation

• 核心材料:新鲜水果(苹果、柠檬、橙子,每人选1种,教师统一切分)、铜片+锌片(每组1套,边缘打磨光滑,无尖锐边角)、简易LED灯泡(带正负极标识,低功耗款)、导线(两端带夹子,儿童易操作)。

Core Materials: Fresh fruits (apples, lemons, oranges, 1 type per kid, cut by teacher uniformly), copper sheets + zinc sheets (1 set per group, edges smoothed without sharp corners), simple LED bulbs (marked with positive and negative poles, low-power type), wires (with clips at both ends, child-friendly).

• 辅助材料:一次性手套、纸巾、托盘(防止汁水溢出)、马克笔(标注正负极)、水果造型贴纸(装饰用)。

Auxiliary Materials: Disposable gloves, paper towels, trays (to prevent juice spillage), markers (marking positive and negative poles), fruit-shaped stickers (for decoration).

四、课程流程(Course Process

1. 故事导入:霍格沃茨能量危机(10分钟)

• 外教扮演霍格沃茨魔法工程师,手持熄灭的LED灯泡出场,语气紧张地讲述:“Hello, young wizards! Our magic warning lights are out. We need fruit magic power to relight them. Let’s be magic energy masters and save Hogwarts!”

(小朋友们好!我们的魔法警示灯熄灭了,需要水果魔法能量把它重新点亮。让我们当魔法能量师,拯救霍格沃茨吧!)

• 展示实验材料,用实物+词汇卡片教读“fruit, apple, lemon, orange, power”等核心词汇,玩水果能量猜猜猜游戏:外教说“It’s yellow and sour. It has magic power.”(它是黄色的、酸酸的,有魔法能量),孩子抢答“Lemon!”;说“It’s red and sweet.”(它是红色的、甜甜的),抢答“Apple!”,答对的获得水果魔法贴纸

2. 分步实验:水果发电DIY35分钟)【适配照片步骤展示】

提前在教室张贴实验步骤照片(5步),外教对照照片用英文分步示范,教师全程协助操作,重点讲解安全注意事项(不触摸金属片边缘、不舔舐水果汁水):

Step 1: 准备水果(Prepare the fruit

• 英文指令:“Put on gloves. Teacher cuts the fruit into pieces.”

(戴上手套,老师会把水果切成小块。)

• 照片对应:老师用安全刀切水果、孩子戴手套等待的场景

• 指导:由教师统一用安全刀切水果(苹果切小块、柠檬切半、橙子切半),分给孩子,引导说“Apple, lemon, orange.”,强调“Kids don’t touch the knife.”

Step 2: 插入金属片(Insert metal pieces

• 英文指令:“Put the copper sheet and zinc sheet into the fruit piece. Don’t touch the sharp edges!”

(把铜片和锌片插进水果块里,别碰尖锐的边缘!)

• 照片对应:金属片平行插入柠檬、间距2-3cm的场景

• 指导:教师协助调整金属片位置,用马克笔标注“Copper”(铜片)和“Zinc”(锌片),学说“This is copper. This is zinc.”

Step 3: 连接导线(Connect the wires

• 英文指令:“Clip one wire to copper, the other to zinc. Connect the wires to the bulb.”

(把一根导线夹在铜片上,另一根夹在锌片上,再把导线连到灯泡上。)

• 照片对应:导线夹子固定在金属片、另一端连接灯泡正负极的场景

• 指导:提醒孩子“Clip tightly”(夹紧一点),帮助区分灯泡正负极,确保连接牢固。

Step 4: 唤醒魔法灯光(Wake up the magic light

• 英文指令:“Watch carefully! Does the bulb turn bright?”

(仔细观察!灯泡变亮了吗?)

• 照片对应:LED灯泡亮起、孩子观察实验现象的场景

• 指导:若灯泡不亮,教师协助检查连接;引导孩子说“The apple/lemon/orange lights the bulb!”

Step 5: 装饰能量装置(Decorate the power device

• 英文指令:“Stick fruit stickers on the lemon. This is your magic power device.”

(把水果贴纸贴在柠檬上,这就是你的魔法能量装置。)

• 照片对应:孩子用贴纸装饰柠檬发电装置的场景

• 指导:鼓励孩子发挥创意,给装置起英文名字,如“My lemon power station”

3. 成果展示:魔法能量守护队(10分钟)

• 孩子手持自己的水果发电装置,围站在背景板前,用1句英文介绍:“My lemon lights the bulb. I’m a magic energy master!”(我的柠檬点亮了灯泡,我是魔法能量师!)

• 外教为每位孩子颁发魔法能量师勋章,表扬:“Your fruit power saved Hogwarts! Great job!”(你的水果能量拯救了霍格沃茨!做得好!)

• 集体合影:“Fruit power is amazing! Hooray for Hogwarts!”(水果能量太神奇了!为霍格沃茨欢呼!)

五、课后延伸(Post-class Extension

• 鼓励孩子回家后和家长尝试用其他水果(苹果、猕猴桃)做实验,用英文分享发现:“Apple can make power too!”(苹果也能制造能量!)

Encourage children to try experiments with other fruits (apples, kiwis) with parents at home, and share findings in English: “Apple can make power too!”

六、课堂即时提醒事项(Class Reminders

1. Wear gloves when touching fruit!(接触水果要戴手套!)

2. Be careful with metal piecess!(小心金属片!)

3. Connect wires tightlyask teacher for help!(导线夹紧,找老师帮忙!)

4. Keep the table cleanwipe juice with tissue!(保持桌面干净,用纸巾擦汁水!)

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  1. CONNECT:[ UseTime:0.000523s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000929s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000344s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000276s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000601s ]
  6. SELECT * FROM `set` [ RunTime:0.000224s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000644s ]
  8. SELECT * FROM `article` WHERE `id` = 464749 LIMIT 1 [ RunTime:0.000463s ]
  9. UPDATE `article` SET `lasttime` = 1775899955 WHERE `id` = 464749 [ RunTime:0.005471s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000336s ]
  11. SELECT * FROM `article` WHERE `id` < 464749 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000524s ]
  12. SELECT * FROM `article` WHERE `id` > 464749 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001343s ]
  13. SELECT * FROM `article` WHERE `id` < 464749 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000986s ]
  14. SELECT * FROM `article` WHERE `id` < 464749 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000816s ]
  15. SELECT * FROM `article` WHERE `id` < 464749 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000910s ]
0.128296s