自然与数据共舞！华美外国语学校“每周半天计划”——“数”测森林碳汇
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深圳市罗湖区华美外国语学校始终秉持“化万物为教材，以世界作课堂”的理念，2025-2026学年第一学期“每周半天计划”的实践课程。延续“1234”主题实践模式，开展“数测森林碳汇，据守绿色家园”的生态探索与“瀑布实地观察”的自然教育。
“大树就像贪吃的绿巨人，长得越壮，‘吃’掉的碳就越多！”当这样的童言稚语从学生口中说出，一场关于森林碳汇的探索之旅便悄然开启。在“数测森林碳汇，据守绿色家园”的实践活动中，同学们化身“森林碳探员”，手持卷尺、测高仪等工具，走进郁郁葱葱的自然课堂：
课堂上，老师通过“工具配对游戏”，引导同学们掌握胸径测量“离地面1.3米”的标准，熟悉测高仪的使用方法。预习单上，一行行稚嫩的文字，记录着对“树木固碳”的好奇与想象，数学思维与生态意识在悄然萌芽。
梧桐山公园中，“测量组”绕树围量、“记录组”奋笔疾书、“计算组”敲击公式，分工明确，井然有序。围尺在树干1.3米处轻轻划过，计算器的滴答声与林间的风声交织成曲。当“胸径30厘米的树年固碳量≈3台空调排碳量”的结论跃然纸上，当小叶榕一年“吞碳”1232千克、桂花树“消化”14.397千克的对比数据呈现眼前，同学们瞪大双眼，惊叹连连——原来，每一棵树都是沉默的“碳战士”。
除了碳汇探索，本学期“每周半天计划”还增设了“瀑布实地观察”自然教育课，带领学生走进山水之间，近距离感受自然的壮美与神奇：
在专业老师的引导下，同学们仔细观察瀑布的水流形态——是“飞流直下三千尺”的豪迈，还是“层叠漫流如纱”的温柔？他们手持测量工具，记录瀑布的宽度与高度，触摸岩石的肌理，观察苔藓与蕨类的生长状态，思考“水流、地质与植被”之间千丝万缕的联系。
闭上眼睛，瀑布撞击岩石的轰鸣、水流穿过草木的细语，声声入耳。在观察与聆听中，“生态平衡”“物理变化”等课本知识，化作可触摸、可感知的真实体验，自然的奥秘在心底悄然生根。
从森林里的碳汇数据测算，到山间的瀑布奥秘探索；从“1234”模式的扎实推进，到“四美主题”的深度融合，华美外国语学校“每周半天计划”始终以“让学生眼里有光、脸上有笑、身上有汗”为目标，让每一次走出教室的实践，都成为一次成长的奔赴。
未来，我们将继续拓展实践场景，推动学科知识与自然、生活的深度融合，让学生在数据中读懂责任，在自然中收获智慧，在探索中成长为更好的自己。
Shenzhen Luohu Huamei Foreign Language School is fully advancing the "Half-Day Weekly Program" practical courses for the first semester of the 2025-2026 academic year on the journey of quality-oriented education. This semester, we not only continue the "1234" themed practical model but also integrate the ecological exploration of "Measuring Forest Carbon Sinks with Data to Safeguard Green Homes" with the nature education of "On-site Waterfall Observation".
"MEASURING" FOREST CARBON SINKS
LET DATA BE THE CODE
FOR GREEN PROTECTION
"A big tree is like a gluttonous green giant—the stronger its body, the more carbon it devours!" When such a childlike observation comes from a student, an exploration journey about forest carbon sinks officially begins. In the practical activity of "Measuring Forest Carbon Sinks with Data to Safeguard Green Homes", students turn into "forest carbon investigators". Holding tools such as tape measures and hypsometers, they step into the lush green natural venue:
Pre-Class Warm-Up，
Unlocking the "Code" of Tools ：
In class, teachers use a "tool-matching game" to help students master the standard of measuring tree diameter at breast height (DBH) – "1.3 meters above the ground" – and learn how to use hypsometers. On the pre-class worksheets, innocent words record their curiosity about "tree carbon sequestration,", as mathematical thinking and ecological awareness quietly take root.
On-Site Measurement，
Initiating a "Dialogue" with Data ：
At Wutong Mountain Park, the division of labor was clear: "the measurement team circled the tree trunks, the recording team calculated the diameters, and the calculation team applied the formulas." Measuring tapes traced arcs around the tree trunks at the 1.3-meter mark, while the clicking of calculators mingled with the wind. When the conclusion that "a tree with a diameter at breast height (DBH) of 30 cm sequesters approximately the same amount of carbon annually as the carbon emitted by 3 air conditioners" was drawn, and when the contrasting data—"a Ficus microcarpa 'devours' 1,232 kg of carbon a year, while an Osmanthus fragrans 'digests' 14.397 kg"—was presented, the students widened their eyes. Their exclamations were filled with amazement at the "power of green."
ON-SITE WATERFALL
OBSERVATION
UNDERSTANDING THE MYSTERIES OF
NATURE AMIDST MOUNTAINS AND WATERS
In Addition to Carbon Sink Exploration, Our School Also Adds an "On-Site Waterfall Observation" Nature Education Course to the "Half-Day Weekly Program" This allows students to step into the midst of mountains and waters, and experience the grandeur and magic of nature up close:
Observing Forms and Distinguishing
Qualities，Perceiving Natural Shapes ：
Guided by professional teachers, students observe the flow patterns of the waterfall—whether it is the grandeur of "water plummeting straight down" or the gentleness of "layered, meandering flow." They use measuring tools to record the waterfall’s width and height, touch the texture of the surrounding rocks, observe the growth status of plants such as moss and ferns, and reflect on "the interdependent relationship between water flow, geology, and vegetation."
Listening to Sounds and Measuring Effects，
Exploring Scientific Principles
Close your eyes and listen to the roar of the waterfall crashing against rocks, and the soft rustle of water flowing through plants. During the observation, students transform textbook knowledge such as "ecological balance" and "physical changes" into tangible, perceptible real experiences.
GROWTH MOVES
TOWARD THE FUTURE
From measuring carbon sink data in the forest to exploring the mysteries of waterfalls amid mountains and waters; from the solid advancement of the "1234" model to the in-depth integration of the "Four Beauties Themes", Huamei Foreign Language School's "Half-Day Weekly Program" has always been guided by the goal of "letting students have light in their eyes, smiles on their faces, and sweat on their bodies". It turns every practical activity that takes students out of the classroom into a "living teaching material" for growth.
In the Future, We Will Continue to Enrich Practical Scenarios We will connect more disciplinary knowledge with nature and life, enabling students to understand responsibility through data and gain wisdom from nature. In this way, they will truly grow into students of the new era who possess ecological awareness, scientific thinking, and practical abilities!
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