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docs/microbit/interesting-case/classroom-science-pack/cases-libraries/case09.md
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sidebar_position: 9 | ||
sidebar_label: 案例九:探索光照对植物生长的影响 | ||
--- | ||
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# 案例九:探索光照对植物生长的影响 | ||
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## 简介 | ||
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本项目旨在引导学生使用classroom科学套装和micro:bit搭建一个植物生长监测装置。通过LED灯模拟不同的光照条件,学生将能够观察和记录植物的生长变化,进而分析和绘制植物的生长曲线。此项目将加深学生对植物学和环境科学的理解,同时锻炼他们的实验设计和数据分析能力。 | ||
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![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/cases-libraries/images/classroom-science-pack-case-09-01.png) | ||
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## 教学目标 | ||
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理解植物生长的基本条件和环境因素。 | ||
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掌握使用LED灯模拟不同光照条件的方法。 | ||
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绘制并分析植物的生长曲线。 | ||
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## 教学准备 | ||
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在开始教学之前,请确保您已经准备好以下必要的材料: | ||
|
||
| 图片 | 名称 | | ||
| :-: | :-: | | ||
| ![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/cases-libraries/images/classroom-science-pack-case-01-02.png) | classroom科学套装 | | ||
| ![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/microbit-smart-climate-kit-case-01-03.png) | micro:bit V2 | | ||
| ![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/microbit-smart-climate-kit-case-01-04.png) | 个人电脑(PC) | | ||
| ![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/microbit-smart-climate-kit-case-01-05.png) | USB 数据线 | | ||
|
||
这些材料将为您提供一个完整的体验,确保您可以顺利地进行后续的操作和学习。如果您已准备好以上内容,我们可以继续进入下一步。 | ||
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## 教学过程 | ||
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### 课程引入 | ||
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光照是植物生长发育的关键环境因素之一。它不仅影响植物的光合作用,还影响其生物钟和生长周期。在本节课中,我们将通过搭建一个植物生长监测装置来模拟不同的光照条件,并观察这些条件如何影响植物的生长。 | ||
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### 探究活动 | ||
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1. 学习植物生长的基本条件和环境因素。 | ||
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2. 设计对照组实验,使用LED灯模拟不同的光照条件。 | ||
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3. 定期记录不同光照条件下植物的生长数据,并绘制生长曲线。 | ||
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4. 分析光照条件下植物生长的规律。 | ||
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### 硬件连接 | ||
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此案例使用wukong扩展板上的4颗彩虹灯进行实验,彩虹灯连接引脚为P16。 | ||
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![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/cases-libraries/images/classroom-science-pack-case-01-06.png) | ||
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### 代码编程 | ||
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*** 添加软件库 *** | ||
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打开``makecode.microbit.org``并点击``新建项目``. | ||
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![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/images/classroom-science-pack-add-extensions-01.png) | ||
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点击``扩展``. | ||
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||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/images/classroom-science-pack-add-extensions-02.png) | ||
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搜索``iot-environment-kit``,添加iot-environment-kit软件库。 | ||
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||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/images/classroom-science-pack-add-extensions-03.png) | ||
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||
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*** 示例代码 *** | ||
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1. 显示爱心图标,初始化彩虹灯为4颗并连接到P16端口,设置变量``lightness``为255。 | ||
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||
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||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/cases-libraries/images/classroom-science-pack-case-09-09.png) | ||
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2. 通过按钮控制调节变量``lightness``的数值。 | ||
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![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/cases-libraries/images/classroom-science-pack-case-09-10.png) | ||
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3. 设置亮度为``lightness``,设置灯光为白色。 | ||
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![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/cases-libraries/images/classroom-science-pack-case-09-11.png) | ||
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请参考程序连接:[https://makecode.microbit.org/_0Hk1dfCuEg38](https://makecode.microbit.org/_0Hk1dfCuEg38) | ||
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||
你也可以通过以下网页直接下载程序。 | ||
|
||
<div | ||
style={{ | ||
position: 'relative', | ||
paddingBottom: '60%', | ||
overflow: 'hidden', | ||
}} | ||
> | ||
<iframe | ||
src="https://makecode.microbit.org/_0Hk1dfCuEg38" | ||
frameborder="0" | ||
sandbox="allow-popups allow-forms allow-scripts allow-same-origin" | ||
style={{ | ||
position: 'absolute', | ||
width: '100%', | ||
height: '100%', | ||
}} | ||
/> | ||
</div> | ||
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||
*** 下载程序 *** | ||
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使用USB线连接PC和micro:bit V2。 | ||
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||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/connect-microbit.gif) | ||
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连接成功后,电脑上会识别出一个名为`MICROBIT`的盘符。 | ||
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||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/microbit-drive.png) | ||
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||
点击左下角的![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-01.png),选择`Connect Device`。 | ||
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||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-02.png) | ||
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点击![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-03.png)。 | ||
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||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-04.png) | ||
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||
点击![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-05.png)。 | ||
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||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-06.png) | ||
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||
|
||
在弹出窗口选择`BBC micro:bit CMSIS-DAP`,然后选择连接,至此,我们的micro:bit就已经连接成功。 | ||
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||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-07.png) | ||
|
||
点击下载程序。 | ||
|
||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-08.png) | ||
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||
|
||
### 团队合作与展示 | ||
|
||
学生分成小组,共同完成案例的制作和程序编写。 | ||
|
||
鼓励学生之间相互合作、交流和分享经验。 | ||
|
||
每个小组有机会向其他小组展示他们制作的案例,并演示。 | ||
|
||
*** 预期效果:通过按键控制彩虹灯的灯光亮度 *** | ||
|
||
|
||
|
||
### 总结与反思 | ||
|
||
回顾课程内容,提醒学生掌握了哪些知识和技能。 | ||
|
||
引导学生讨论他们在制作过程中遇到的问题和困难,以及如何解决这些问题。 | ||
|
||
引导学生思考光照对植物生长的实际应用,如农业生产和植物栽培。 | ||
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## 扩展知识 | ||
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*** 植物的光合作用 *** | ||
光合作用是植物在光照条件下,通过叶绿素吸收光能,将二氧化碳和水转化为葡萄糖和氧气的过程。 | ||
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*** 光照周期 *** | ||
光照周期,或称光周期,是指植物在一天中所接受光照和黑暗的时间长度。不同的植物对光照周期的需求不同,这对植物的生长和开花有重要影响。 | ||
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*** 生长曲线 *** | ||
生长曲线是描述植物生长随时间变化的图形,可以用来分析植物的生长速率和生长阶段。 |
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docs/microbit/interesting-case/classroom-science-pack/cases-libraries/case10.md
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--- | ||
sidebar_position: 10 | ||
sidebar_label: 案例十:模拟温室环境 | ||
--- | ||
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# 案例十:模拟温室环境 | ||
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## 简介 | ||
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在这个案例中,学生将利用classroom科学套装搭建一个模拟温室环境,使用温湿度传感器监测温度和湿度的变化。通过控制模拟温室中的温度条件,学生将观察并分析温度变化对植物生长的影响,从而深入理解植物生长对环境温度的依赖性。 | ||
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![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/cases-libraries/images/classroom-science-pack-case-10-01.png) | ||
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## 教学目标 | ||
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理解温度对植物生长的影响。 | ||
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学习使用温湿度传感器收集环境数据。 | ||
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分析环境温度变化对植物生长的具体影响。 | ||
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||
## 教学准备 | ||
|
||
在开始教学之前,请确保您已经准备好以下必要的材料: | ||
|
||
| 图片 | 名称 | | ||
| :-: | :-: | | ||
| ![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/cases-libraries/images/classroom-science-pack-case-01-02.png) | classroom科学套装 | | ||
| ![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/microbit-smart-climate-kit-case-01-03.png) | micro:bit V2 | | ||
| ![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/microbit-smart-climate-kit-case-01-04.png) | 个人电脑(PC) | | ||
| ![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/microbit-smart-climate-kit-case-01-05.png) | USB 数据线 | | ||
|
||
这些材料将为您提供一个完整的体验,确保您可以顺利地进行后续的操作和学习。如果您已准备好以上内容,我们可以继续进入下一步。 | ||
|
||
## 教学过程 | ||
|
||
### 课程引入 | ||
|
||
温室为植物提供了一个受控的生长环境,其中温度是最关键的因素之一。在本节课中,我们将通过搭建模拟温室环境来研究温度对植物生长的影响。 | ||
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### 探究活动 | ||
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||
1. 学习温室环境对植物生长的重要性。 | ||
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||
2. 探索如何使用温湿度传感器监测环境温度。 | ||
|
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3. 设计实验,记录不同温度条件下植物的生长数据。 | ||
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4. 分析温度变化对植物生长的具体影响 | ||
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### 硬件连接 | ||
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将温湿度传感器连接到wukong扩展板的P1端口。 | ||
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||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/cases-libraries/images/classroom-science-pack-case-01-06.png) | ||
|
||
### 代码编程 | ||
|
||
*** 添加软件库 *** | ||
|
||
打开``makecode.microbit.org``并点击``新建项目``. | ||
|
||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/images/classroom-science-pack-add-extensions-01.png) | ||
|
||
点击``扩展``. | ||
|
||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/images/classroom-science-pack-add-extensions-02.png) | ||
|
||
搜索``iot-environment-kit``,添加iot-environment-kit软件库。 | ||
|
||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/images/classroom-science-pack-add-extensions-03.png) | ||
|
||
|
||
*** 示例代码 *** | ||
|
||
1. 显示爱心图标,初始化彩虹灯为4颗并连接到P16端口,设置灯光为白色。 | ||
|
||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/cases-libraries/images/classroom-science-pack-case-10-09.png) | ||
|
||
2. 通过LED矩阵显示当前温度。 | ||
|
||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/classroom-science-pack/cases-libraries/images/classroom-science-pack-case-10-10.png) | ||
|
||
请参考程序连接:[https://makecode.microbit.org/_XF48ydY92TPH](https://makecode.microbit.org/_XF48ydY92TPH) | ||
|
||
你也可以通过以下网页直接下载程序。 | ||
|
||
<div | ||
style={{ | ||
position: 'relative', | ||
paddingBottom: '60%', | ||
overflow: 'hidden', | ||
}} | ||
> | ||
<iframe | ||
src="https://makecode.microbit.org/_XF48ydY92TPH" | ||
frameborder="0" | ||
sandbox="allow-popups allow-forms allow-scripts allow-same-origin" | ||
style={{ | ||
position: 'absolute', | ||
width: '100%', | ||
height: '100%', | ||
}} | ||
/> | ||
</div> | ||
|
||
*** 下载程序 *** | ||
|
||
使用USB线连接PC和micro:bit V2。 | ||
|
||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/connect-microbit.gif) | ||
|
||
连接成功后,电脑上会识别出一个名为`MICROBIT`的盘符。 | ||
|
||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/microbit-drive.png) | ||
|
||
点击左下角的![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-01.png),选择`Connect Device`。 | ||
|
||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-02.png) | ||
|
||
点击![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-03.png)。 | ||
|
||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-04.png) | ||
|
||
点击![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-05.png)。 | ||
|
||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-06.png) | ||
|
||
|
||
在弹出窗口选择`BBC micro:bit CMSIS-DAP`,然后选择连接,至此,我们的micro:bit就已经连接成功。 | ||
|
||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-07.png) | ||
|
||
点击下载程序。 | ||
|
||
![](https://wiki-media-ef.oss-cn-hongkong.aliyuncs.com/docs/microbit/interesting-case/microbit-smart-climate-kit/cases-libraries/images/download-08.png) | ||
|
||
|
||
### 团队合作与展示 | ||
|
||
学生分成小组,共同完成案例的制作和程序编写。 | ||
|
||
鼓励学生之间相互合作、交流和分享经验。 | ||
|
||
每个小组有机会向其他小组展示他们制作的案例,并演示。 | ||
|
||
*** 预期效果:开启机器后彩虹灯常亮,通过温湿度传感器监测模拟温室中的温度变化,观察并记录这些变化对植物生长的影响。*** | ||
|
||
|
||
|
||
### 总结与反思 | ||
|
||
回顾课程内容,提醒学生掌握了哪些知识和技能。 | ||
|
||
引导学生讨论他们在制作过程中遇到的问题和困难,以及如何解决这些问题。 | ||
|
||
引导学生思考模拟温室环境在现代农业中的应用。 | ||
|
||
## 扩展知识 | ||
|
||
*** 植物对温度的响应 *** | ||
植物的生长速度、开花时间和结果率都与温度密切相关。不同的植物对温度的适应性不同,了解这些特性对于农业种植至关重要。 | ||
|
||
*** 温室效应 *** | ||
温室通过捕获太阳辐射来提高内部温度,为植物创造一个温暖且稳定的生长环境。 | ||
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*** 环境监测 *** | ||
在现代农业中,环境监测是确保作物健康生长的关键。通过监测温度、湿度、光照等环境因素,农民可以及时调整温室条件,优化作物生长。 |