<p class="ql-block">“分子轻舞跃动能，化学反应藏玄机。”武汉枫叶国际学校BERG主任那充满智慧与吸引力的全英化学课堂。在这里，化学不仅仅是元素周期表的冰冷排列，更是动能分布曲线下的生动故事。</p><p class="ql-block">"Molecules dance with kinetic energy,and chemical reactions hold mysteries."Welcome to Wuhan Maple Leaf International School's BERG Director's all-English chemistry class.Here,chemistry is not just a cold periodic table,but a lively story under the kinetic energy distribution curve.</p> <p class="ql-block">伯格主任以其独特的教学风格，将复杂的化学原理转化为生动的实践操作，然后将其带入课堂。他首先让学生解释与反应速率相关的应用，包括医学中的应用、烹饪中的美拉德反应（如鸭肉的褐变）等。通过这些作为介绍，他让学生通过实践体验化学的奇妙，然后解释实验背后的原理。</p><p class="ql-block">BERG Director,with his unique teaching style,transforms complex chemical principles into vivid hands-on practices before bringing them to the classroom.He begins by having students explain applications related to reaction rates,including those in medicine,the Maillard reaction in cooking(such as the browning of duck meat),and so on.Using these as an introduction,he allows students to experience the wonders of chemistry through hands-on practice and then explains the principles behind the experiments.</p> <p class="ql-block">主任BERG说：“美拉德反应是食物在加热时，还原糖与氨基酸或蛋白质发生的一种复杂化学反应，会导致食物出现褐变现象并产生特殊的香味和风味。这种反应常见于煎烤、烘焙等烹饪过程中，比如面包金黄表皮、烤肉香气的形成。”</p><p class="ql-block">Dr.Berg said,"The Maillard reaction is a complex chemical reaction that occurs between reducing sugars and amino acids/proteins in food when it is heated.It causes food to brown and produces unique flavors and aromas.This reaction is commonly seen in cooking processes such as pan-frying,roasting,and baking,like the formation of the golden-brown crust on bread and the delicious aroma of roasted meat."</p> <p class="ql-block">BERG主任引导学生们将视线转向动能分布曲线。他提问：“在给定的温度下，所有的分子都以相同的速度运动吗？”学生们纷纷摇头，答案显而易见——否。BERG主任进一步解释，即使在相同的温度下，分子间的能量分布也是连续的，形成了一条独特的动能分布曲线。这条曲线不仅展示了分子动能的相对值，更揭示了反应速率与温度、浓度、活化能之间的微妙关系。</p><p class="ql-block">BERG Director guides students to focus on the kinetic energy distribution curve.He asks,“At a given temperature,do all molecules move at the same speed?”Students shake their heads,knowing the answer is no.BERG Director explains that even at the same temperature,there’s a continuous distribution of molecular energies,forming a unique kinetic energy distribution curve.This curve not only shows the relative kinetic energy values of molecules but also reveals the subtle relationship between reaction rate,temperature,concentration,and activation energy.</p> <p class="ql-block">为了让学生们更直观地理解这一概念，BERG主任带领大家绘制了不同条件下的动能分布曲线。从温度升高时曲线的向右偏移，到反应物浓度增加时曲线的上抬，每一步都充满了探索的乐趣。他鼓励学生们探讨发并发表见解，当场点评，对那些理解深刻、表现突出的学生给予高度评价，课堂氛围热烈而充满活力。</p><p class="ql-block">To help students grasp this concept intuitively,BERG Director leads them in plotting kinetic energy distribution curves under different conditions.From the curve shifting right with temperature rise to it rising with increased reactant concentration,each step is full of exploration fun.He encourages students to discuss and voice their thoughts,comments on-site,and highly praises those with deep understanding and outstanding performance,creating a lively and vibrant classroom atmosphere.</p> <p class="ql-block">在BERG主任的引导下，学生们不仅学会了如何分析动能分布曲线，更深刻理解了温度、浓度、活化能等因素对反应速率的影响。他们懂得了，一个快速的反应速率往往伴随着低活化能和高效的碰撞几何，而这一切，都隐藏在那些看似平凡的分子运动之中。</p><p class="ql-block">Guided by the BERG Director,students not only master the analysis of kinetic energy distribution curves but also deeply understand how temperature,concentration,and activation energy affect reaction rates.They realize a fast reaction rate implies low activation energy and efficient collision geometry,hidden in routine molecular motion.</p> <p class="ql-block">在武汉枫叶国际学校的全英科学课上，</p><p class="ql-block">分子碰撞的韵律诠释着反应速率的奥秘。</p><p class="ql-block">BERG主任以反应速度相关应用为引，</p><p class="ql-block">让学生见证微观世界的动态平衡。</p><p class="ql-block">这不仅是实验教学，</p><p class="ql-block">更是科学思维的启蒙。</p><p class="ql-block">当严谨方法论遇上创新实践，</p><p class="ql-block">化学的魅力便如反应中的能量跃迁，</p><p class="ql-block">照亮求知之路。</p><p class="ql-block">In Wuhan Maple Leaf International School's all-English science class,</p><p class="ql-block">The rhythm of molecular collisions reveals the mystery of reaction rates.</p><p class="ql-block">Director BERG,taking reaction speed-related applications as an introduction...</p><p class="ql-block">Letting students witness the dynamic balance of the microscopic world.</p><p class="ql-block">This is not only experimental teaching,</p><p class="ql-block">But also the awakening of scientific thinking.</p><p class="ql-block">When rigorous methodology meets innovative practice,</p><p class="ql-block">The charm of chemistry,like energy leaps in reactions,</p><p class="ql-block">Illuminates the path of knowledge-seeking.</p>