IB DP Maths: AA HL复习笔记5.11.1 Maclaurin Series
Maclaurin Series of Standard Functions What is a Maclaurin Series? How do I find the Maclaurin series of a function ‘from first principles’? Is there an easier way to find the Maclaurin series for ...
女生专属STEM赛事！新赛季Technovation Girls火热组队报名中
科技正在改变世界 有这样一群女孩 她们在科创赛场上 为世界贡献着自己的力量 由全球科技教育非营利组织主办 专为全球8-18岁女生开设的科创赛 Technovation Girls 全球女性科技创新挑战赛 新赛季开始组队啦！ 在...
Edexcel IGCSE Chemistry 复习笔记 3.1.5 Bond Energy
Edexcel IGCSE Chemistry 复习笔记 3.1.5 Bond Energy Bond Energy Energy is needed to break bonds which is absorbed from the reaction surroundings, so bond breaking is an endothermic process Th...
Edexcel IGCSE Chemistry 复习笔记 3.1.4 Energy Level Diagrams
Edexcel IGCSE Chemistry 复习笔记 3.1.4 Energy Level Diagrams Energy Level Diagrams Energy Level Diagrams Energy level diagrams (sometimes called reaction profiles) are graphical representati...
IB DP Maths: AA HL复习笔记5.10.3 Modelling with Differential Equations
Modelling with Differential Equations Why are differential equations used to model real-world situations? A differential equation is an equation that contains one or more derivatives Derivatives de...
Edexcel IGCSE Chemistry 复习笔记 3.1.3 Energetics Calculations
Edexcel IGCSE Chemistry 复习笔记 3.1.3 Energetics Calculations Calculate Heat Energy Change In order the calculate heat energy changes you need to know the mass of the substance being heated...
IB DP Maths: AA HL复习笔记5.10.2 Analytical Solutions to Differential Equations
Separation of Variables What is separation of variables? Separation of variables can be used to solve certain types of first order differential equations If the equation is in that form you can use...
Edexcel IGCSE Chemistry 复习笔记 3.1.2 Calorimetry
Edexcel IGCSE Chemistry 复习笔记 3.1.2 Calorimetry Calorimetry Calorimetry is a technique used to measure changes in enthalpy of chemical reactions There are two types of calorimetry experim...
Edexcel IGCSE Chemistry 复习笔记 3.1.1 Exothermic & Endothermic
Edexcel IGCSE Chemistry 复习笔记 3.1.1 Exothermic & Endothermic Exothermic & Endothermic The changes in heat content can be determined and measured with a thermometer Note that the o...
Edexcel IGCSE Chemistry 复习笔记 2.8.5 Tests for Water
Edexcel IGCSE Chemistry 复习笔记 2.8.5 Tests for Water Tests for Water Water can be identified using a chemical test and/or a physical test Chemical test for water Anhydrous copper(II...
2022再生元科学天才奖STS开始申报！附赛程安排以及申报指南
全美历史最悠久、最负盛名、有中学生“小诺奖”的科研赛事再生元科学天才奖Regeneron STS ，相信不少美高学生对它并不陌生。 STS为未来STEM领域的领航者提供了一个国际的舞台，这里汇聚了全美最优秀、最聪明的年轻...
IB DP Maths: AA HL复习笔记5.10.1 Numerical Solutions to Differential Equations
First Order Differential Equations What is a differential equation? What is a first order differential equation? A first order differential equation is a differential equation that contains first d...
